--- /dev/null
+/*******************************************************************************
+ * Copyright (c) 2000, 2003 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Common Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/cpl-v10.html
+ *
+ * Contributors:
+ * IBM Corporation - initial API and implementation
+ * IBM Corporation - added the following constants:
+ * COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE
+ * COMPILER_PB_STATIC_ACCESS_RECEIVER
+ * COMPILER_TASK_TAGS
+ * CORE_CIRCULAR_CLASSPATH
+ * CORE_INCOMPLETE_CLASSPATH
+ * IBM Corporation - added run(IWorkspaceRunnable, IProgressMonitor)
+ * IBM Corporation - added exclusion patterns to source classpath entries
+ * IBM Corporation - added specific output location to source classpath entries
+ * IBM Corporation - added the following constants:
+ * CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER
+ * CLEAN
+ * IBM Corporation - added getClasspathContainerInitializer(String)
+ * IBM Corporation - added the following constants:
+ * CODEASSIST_ARGUMENT_PREFIXES
+ * CODEASSIST_ARGUMENT_SUFFIXES
+ * CODEASSIST_FIELD_PREFIXES
+ * CODEASSIST_FIELD_SUFFIXES
+ * CODEASSIST_LOCAL_PREFIXES
+ * CODEASSIST_LOCAL_SUFFIXES
+ * CODEASSIST_STATIC_FIELD_PREFIXES
+ * CODEASSIST_STATIC_FIELD_SUFFIXES
+ * COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION
+ *******************************************************************************/
+package net.sourceforge.phpdt.core;
+
+import java.util.Collection;
+import java.util.Enumeration;
+import java.util.HashSet;
+import java.util.Hashtable;
+import java.util.Map;
+
+import net.sourceforge.phpdt.internal.core.BatchOperation;
+import net.sourceforge.phpdt.internal.core.BufferManager;
+import net.sourceforge.phpdt.internal.core.JavaModel;
+import net.sourceforge.phpdt.internal.core.JavaModelManager;
+import net.sourceforge.phpdt.internal.core.Region;
+
+import org.eclipse.core.resources.IFile;
+import org.eclipse.core.resources.IFolder;
+import org.eclipse.core.resources.IMarker;
+import org.eclipse.core.resources.IMarkerDelta;
+import org.eclipse.core.resources.IProject;
+import org.eclipse.core.resources.IResource;
+import org.eclipse.core.resources.IResourceChangeEvent;
+import org.eclipse.core.resources.IWorkspace;
+import org.eclipse.core.resources.IWorkspaceRoot;
+import org.eclipse.core.resources.IWorkspaceRunnable;
+import org.eclipse.core.resources.ResourcesPlugin;
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IConfigurationElement;
+import org.eclipse.core.runtime.IExecutableExtension;
+import org.eclipse.core.runtime.IPluginDescriptor;
+import org.eclipse.core.runtime.IProgressMonitor;
+import org.eclipse.core.runtime.Plugin;
+import org.eclipse.core.runtime.Preferences;
+
+
+/**
+ * The plug-in runtime class for the Java model plug-in containing the core
+ * (UI-free) support for Java projects.
+ * <p>
+ * Like all plug-in runtime classes (subclasses of <code>Plugin</code>), this
+ * class is automatically instantiated by the platform when the plug-in gets
+ * activated. Clients must not attempt to instantiate plug-in runtime classes
+ * directly.
+ * </p>
+ * <p>
+ * The single instance of this class can be accessed from any plug-in declaring
+ * the Java model plug-in as a prerequisite via
+ * <code>JavaCore.getJavaCore()</code>. The Java model plug-in will be activated
+ * automatically if not already active.
+ * </p>
+ */
+public final class JavaCore extends Plugin implements IExecutableExtension {
+
+ private static Plugin JAVA_CORE_PLUGIN = null;
+ /**
+ * The plug-in identifier of the Java core support
+ * (value <code>"org.eclipse.jdt.core"</code>).
+ */
+ public static final String PLUGIN_ID = "org.eclipse.jdt.core" ; //$NON-NLS-1$
+
+ /**
+ * The identifier for the Java builder
+ * (value <code>"org.eclipse.jdt.core.javabuilder"</code>).
+ */
+ public static final String BUILDER_ID = PLUGIN_ID + ".javabuilder" ; //$NON-NLS-1$
+
+ /**
+ * The identifier for the Java model
+ * (value <code>"org.eclipse.jdt.core.javamodel"</code>).
+ */
+ public static final String MODEL_ID = PLUGIN_ID + ".javamodel" ; //$NON-NLS-1$
+
+ /**
+ * The identifier for the Java nature
+ * (value <code>"org.eclipse.jdt.core.javanature"</code>).
+ * The presence of this nature on a project indicates that it is
+ * Java-capable.
+ *
+ * @see org.eclipse.core.resources.IProject#hasNature(java.lang.String)
+ */
+ public static final String NATURE_ID = PLUGIN_ID + ".javanature" ; //$NON-NLS-1$
+
+ /**
+ * Name of the handle id attribute in a Java marker.
+ */
+ protected static final String ATT_HANDLE_ID =
+ "org.eclipse.jdt.internal.core.JavaModelManager.handleId" ; //$NON-NLS-1$
+
+ // *************** Possible IDs for configurable options. ********************
+
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions()
+ */
+ public static final String COMPILER_LOCAL_VARIABLE_ATTR = PLUGIN_ID + ".compiler.debug.localVariable"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions()
+ */
+ public static final String COMPILER_LINE_NUMBER_ATTR = PLUGIN_ID + ".compiler.debug.lineNumber"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_SOURCE_FILE_ATTR = PLUGIN_ID + ".compiler.debug.sourceFile"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_CODEGEN_UNUSED_LOCAL = PLUGIN_ID + ".compiler.codegen.unusedLocal"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_CODEGEN_TARGET_PLATFORM = PLUGIN_ID + ".compiler.codegen.targetPlatform"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_UNREACHABLE_CODE = PLUGIN_ID + ".compiler.problem.unreachableCode"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_INVALID_IMPORT = PLUGIN_ID + ".compiler.problem.invalidImport"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD = PLUGIN_ID + ".compiler.problem.overridingPackageDefaultMethod"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME = PLUGIN_ID + ".compiler.problem.methodWithConstructorName"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_DEPRECATION = PLUGIN_ID + ".compiler.problem.deprecation"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE = PLUGIN_ID + ".compiler.problem.deprecationInDeprecatedCode"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_HIDDEN_CATCH_BLOCK = PLUGIN_ID + ".compiler.problem.hiddenCatchBlock"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_UNUSED_LOCAL = PLUGIN_ID + ".compiler.problem.unusedLocal"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_UNUSED_PARAMETER = PLUGIN_ID + ".compiler.problem.unusedParameter"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT = PLUGIN_ID + ".compiler.problem.unusedParameterWhenImplementingAbstract"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE = PLUGIN_ID + ".compiler.problem.unusedParameterWhenOverridingConcrete"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_PB_UNUSED_IMPORT = PLUGIN_ID + ".compiler.problem.unusedImport"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPILER_PB_SYNTHETIC_ACCESS_EMULATION = PLUGIN_ID + ".compiler.problem.syntheticAccessEmulation"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_PB_NON_NLS_STRING_LITERAL = PLUGIN_ID + ".compiler.problem.nonExternalizedStringLiteral"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_PB_ASSERT_IDENTIFIER = PLUGIN_ID + ".compiler.problem.assertIdentifier"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_STATIC_ACCESS_RECEIVER = PLUGIN_ID + ".compiler.problem.staticAccessReceiver"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_NO_EFFECT_ASSIGNMENT = PLUGIN_ID + ".compiler.problem.noEffectAssignment"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD = PLUGIN_ID + ".compiler.problem.incompatibleNonInheritedInterfaceMethod"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_UNUSED_PRIVATE_MEMBER = PLUGIN_ID + ".compiler.problem.unusedPrivateMember"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION = PLUGIN_ID + ".compiler.problem.noImplicitStringConversion"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_PB_MAX_PER_UNIT = PLUGIN_ID + ".compiler.maxProblemPerUnit"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_SOURCE = PLUGIN_ID + ".compiler.source"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPILER_COMPLIANCE = PLUGIN_ID + ".compiler.compliance"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_TASK_PRIORITIES = PLUGIN_ID + ".compiler.taskPriorities"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value for COMPILER_TASK_PRIORITIES.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_TASK_PRIORITY_HIGH = "HIGH"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value for COMPILER_TASK_PRIORITIES.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_TASK_PRIORITY_LOW = "LOW"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value for COMPILER_TASK_PRIORITIES.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_TASK_PRIORITY_NORMAL = "NORMAL"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String COMPILER_TASK_TAGS = PLUGIN_ID + ".compiler.taskTags"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ */
+ public static final String CORE_JAVA_BUILD_ORDER = PLUGIN_ID + ".computeJavaBuildOrder"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CORE_JAVA_BUILD_RESOURCE_COPY_FILTER = PLUGIN_ID + ".builder.resourceCopyExclusionFilter"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_JAVA_BUILD_DUPLICATE_RESOURCE = PLUGIN_ID + ".builder.duplicateResourceTask"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER = PLUGIN_ID + ".builder.cleanOutputFolder"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_INCOMPLETE_CLASSPATH = PLUGIN_ID + ".incompleteClasspath"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_CIRCULAR_CLASSPATH = PLUGIN_ID + ".circularClasspath"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CORE_JAVA_BUILD_INVALID_CLASSPATH = PLUGIN_ID + ".builder.invalidClasspath"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CORE_ENCODING = PLUGIN_ID + ".encoding"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS = PLUGIN_ID + ".classpath.exclusionPatterns"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS = PLUGIN_ID + ".classpath.multipleOutputLocations"; //$NON-NLS-1$
+ /**
+ * Default task tag
+ * @since 2.1
+ */
+ public static final String DEFAULT_TASK_TAG = "TODO"; //$NON-NLS-1$
+ /**
+ * Default task priority
+ * @since 2.1
+ */
+ public static final String DEFAULT_TASK_PRIORITY = "NORMAL"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_NEWLINE_OPENING_BRACE = PLUGIN_ID + ".formatter.newline.openingBrace"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_NEWLINE_CONTROL = PLUGIN_ID + ".formatter.newline.controlStatement"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_NEWLINE_ELSE_IF = PLUGIN_ID + ".formatter.newline.elseIf"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_NEWLINE_EMPTY_BLOCK = PLUGIN_ID + ".formatter.newline.emptyBlock"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_CLEAR_BLANK_LINES = PLUGIN_ID + ".formatter.newline.clearAll"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_LINE_SPLIT = PLUGIN_ID + ".formatter.lineSplit"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_COMPACT_ASSIGNMENT = PLUGIN_ID + ".formatter.style.assignment"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_TAB_CHAR = PLUGIN_ID + ".formatter.tabulation.char"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String FORMATTER_TAB_SIZE = PLUGIN_ID + ".formatter.tabulation.size"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String FORMATTER_SPACE_CASTEXPRESSION = PLUGIN_ID + ".formatter.space.castexpression"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CODEASSIST_VISIBILITY_CHECK = PLUGIN_ID + ".codeComplete.visibilityCheck"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CODEASSIST_IMPLICIT_QUALIFICATION = PLUGIN_ID + ".codeComplete.forceImplicitQualification"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_FIELD_PREFIXES = PLUGIN_ID + ".codeComplete.fieldPrefixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_STATIC_FIELD_PREFIXES = PLUGIN_ID + ".codeComplete.staticFieldPrefixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_LOCAL_PREFIXES = PLUGIN_ID + ".codeComplete.localPrefixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_ARGUMENT_PREFIXES = PLUGIN_ID + ".codeComplete.argumentPrefixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_FIELD_SUFFIXES = PLUGIN_ID + ".codeComplete.fieldSuffixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_STATIC_FIELD_SUFFIXES = PLUGIN_ID + ".codeComplete.staticFieldSuffixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_LOCAL_SUFFIXES = PLUGIN_ID + ".codeComplete.localSuffixes"; //$NON-NLS-1$
+ /**
+ * Possible configurable option ID.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CODEASSIST_ARGUMENT_SUFFIXES = PLUGIN_ID + ".codeComplete.argumentSuffixes"; //$NON-NLS-1$
+
+ // *************** Possible values for configurable options. ********************
+
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String GENERATE = "generate"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String DO_NOT_GENERATE = "do not generate"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String PRESERVE = "preserve"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String OPTIMIZE_OUT = "optimize out"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String VERSION_1_1 = "1.1"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String VERSION_1_2 = "1.2"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String VERSION_1_3 = "1.3"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String VERSION_1_4 = "1.4"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String ABORT = "abort"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String ERROR = "error"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String WARNING = "warning"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String IGNORE = "ignore"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ */
+ public static final String COMPUTE = "compute"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String INSERT = "insert"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String DO_NOT_INSERT = "do not insert"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String PRESERVE_ONE = "preserve one"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String CLEAR_ALL = "clear all"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String NORMAL = "normal"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String COMPACT = "compact"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String TAB = "tab"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String SPACE = "space"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String ENABLED = "enabled"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.0
+ */
+ public static final String DISABLED = "disabled"; //$NON-NLS-1$
+ /**
+ * Possible configurable option value.
+ * @see #getDefaultOptions
+ * @since 2.1
+ */
+ public static final String CLEAN = "clean"; //$NON-NLS-1$
+
+ /**
+ * Creates the Java core plug-in.
+ * @since 2.1
+ */
+ public JavaCore(IPluginDescriptor pluginDescriptor) {
+ super(pluginDescriptor);
+ JAVA_CORE_PLUGIN = this;
+ }
+
+ /**
+ * Adds the given listener for changes to Java elements.
+ * Has no effect if an identical listener is already registered.
+ *
+ * This listener will only be notified during the POST_CHANGE resource change notification
+ * and any reconcile operation (POST_RECONCILE).
+ * For finer control of the notification, use <code>addElementChangedListener(IElementChangedListener,int)</code>,
+ * which allows to specify a different eventMask.
+ *
+ * @see ElementChangedEvent
+ * @param listener the listener
+ */
+ public static void addElementChangedListener(IElementChangedListener listener) {
+ addElementChangedListener(listener, ElementChangedEvent.POST_CHANGE | ElementChangedEvent.POST_RECONCILE);
+ }
+
+ /**
+ * Adds the given listener for changes to Java elements.
+ * Has no effect if an identical listener is already registered.
+ * After completion of this method, the given listener will be registered for exactly
+ * the specified events. If they were previously registered for other events, they
+ * will be deregistered.
+ * <p>
+ * Once registered, a listener starts receiving notification of changes to
+ * java elements in the model. The listener continues to receive
+ * notifications until it is replaced or removed.
+ * </p>
+ * <p>
+ * Listeners can listen for several types of event as defined in <code>ElementChangeEvent</code>.
+ * Clients are free to register for any number of event types however if they register
+ * for more than one, it is their responsibility to ensure they correctly handle the
+ * case where the same java element change shows up in multiple notifications.
+ * Clients are guaranteed to receive only the events for which they are registered.
+ * </p>
+ *
+ * @param listener the listener
+ * @param eventMask the bit-wise OR of all event types of interest to the listener
+ * @see IElementChangedListener
+ * @see ElementChangedEvent
+ * @see #removeElementChangedListener(IElementChangedListener)
+ * @since 2.0
+ */
+ public static void addElementChangedListener(IElementChangedListener listener, int eventMask) {
+ JavaModelManager.getJavaModelManager().addElementChangedListener(listener, eventMask);
+ }
+
+ /**
+ * Configures the given marker attribute map for the given Java element.
+ * Used for markers, which denote a Java element rather than a resource.
+ *
+ * @param attributes the mutable marker attribute map (key type: <code>String</code>,
+ * value type: <code>String</code>)
+ * @param element the Java element for which the marker needs to be configured
+ */
+ public static void addJavaElementMarkerAttributes(
+ Map attributes,
+ IJavaElement element) {
+// if (element instanceof IMember)
+// element = ((IMember) element).getClassFile();
+ if (attributes != null && element != null)
+ attributes.put(ATT_HANDLE_ID, element.getHandleIdentifier());
+ }
+
+ /**
+ * Configures the given marker for the given Java element.
+ * Used for markers, which denote a Java element rather than a resource.
+ *
+ * @param marker the marker to be configured
+ * @param element the Java element for which the marker needs to be configured
+ * @exception CoreException if the <code>IMarker.setAttribute</code> on the marker fails
+ */
+ public void configureJavaElementMarker(IMarker marker, IJavaElement element)
+ throws CoreException {
+// if (element instanceof IMember)
+// element = ((IMember) element).getClassFile();
+ if (marker != null && element != null)
+ marker.setAttribute(ATT_HANDLE_ID, element.getHandleIdentifier());
+ }
+
+ /**
+ * Returns the Java model element corresponding to the given handle identifier
+ * generated by <code>IJavaElement.getHandleIdentifier()</code>, or
+ * <code>null</code> if unable to create the associated element.
+ */
+ public static IJavaElement create(String handleIdentifier) {
+ if (handleIdentifier == null) {
+ return null;
+ }
+ try {
+ return JavaModelManager.getJavaModelManager().getHandleFromMemento(handleIdentifier);
+ } catch (JavaModelException e) {
+ return null;
+ }
+ }
+ /**
+ * Returns the Java element corresponding to the given file, or
+ * <code>null</code> if unable to associate the given file
+ * with a Java element.
+ *
+ * <p>The file must be one of:<ul>
+ * <li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
+ * <li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
+ * <li>a <code>.jar</code> file - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
+ * </ul>
+ * <p>
+ * Creating a Java element has the side effect of creating and opening all of the
+ * element's parents if they are not yet open.
+ *
+ * @param the given file
+ * @return the Java element corresponding to the given file, or
+ * <code>null</code> if unable to associate the given file
+ * with a Java element
+ */
+ public static IJavaElement create(IFile file) {
+ return JavaModelManager.create(file, null);
+ }
+ /**
+ * Returns the package fragment or package fragment root corresponding to the given folder, or
+ * <code>null</code> if unable to associate the given folder with a Java element.
+ * <p>
+ * Note that a package fragment root is returned rather than a default package.
+ * <p>
+ * Creating a Java element has the side effect of creating and opening all of the
+ * element's parents if they are not yet open.
+ *
+ * @param the given folder
+ * @return the package fragment or package fragment root corresponding to the given folder, or
+ * <code>null</code> if unable to associate the given folder with a Java element
+ */
+ public static IJavaElement create(IFolder folder) {
+ return JavaModelManager.create(folder, null);
+ }
+ /**
+ * Returns the Java project corresponding to the given project.
+ * <p>
+ * Creating a Java Project has the side effect of creating and opening all of the
+ * project's parents if they are not yet open.
+ * <p>
+ * Note that no check is done at this time on the existence or the java nature of this project.
+ *
+ * @param project the given project
+ * @return the Java project corresponding to the given project, null if the given project is null
+ */
+ public static IJavaProject create(IProject project) {
+ if (project == null) {
+ return null;
+ }
+ JavaModel javaModel = JavaModelManager.getJavaModelManager().getJavaModel();
+ return javaModel.getJavaProject(project);
+ }
+ /**
+ * Returns the Java element corresponding to the given resource, or
+ * <code>null</code> if unable to associate the given resource
+ * with a Java element.
+ * <p>
+ * The resource must be one of:<ul>
+ * <li>a project - the element returned is the corresponding <code>IJavaProject</code></li>
+ * <li>a <code>.java</code> file - the element returned is the corresponding <code>ICompilationUnit</code></li>
+ * <li>a <code>.class</code> file - the element returned is the corresponding <code>IClassFile</code></li>
+ * <li>a <code>.jar</code> file - the element returned is the corresponding <code>IPackageFragmentRoot</code></li>
+ * <li>a folder - the element returned is the corresponding <code>IPackageFragmentRoot</code>
+ * or <code>IPackageFragment</code></li>
+ * <li>the workspace root resource - the element returned is the <code>IJavaModel</code></li>
+ * </ul>
+ * <p>
+ * Creating a Java element has the side effect of creating and opening all of the
+ * element's parents if they are not yet open.
+ *
+ * @param resource the given resource
+ * @return the Java element corresponding to the given resource, or
+ * <code>null</code> if unable to associate the given resource
+ * with a Java element
+ */
+ public static IJavaElement create(IResource resource) {
+ return JavaModelManager.create(resource, null);
+ }
+ /**
+ * Returns the Java model.
+ *
+ * @param root the given root
+ * @return the Java model, or <code>null</code> if the root is null
+ */
+ public static IJavaModel create(IWorkspaceRoot root) {
+ if (root == null) {
+ return null;
+ }
+ return JavaModelManager.getJavaModelManager().getJavaModel();
+ }
+ /**
+ * Creates and returns a class file element for
+ * the given <code>.class</code> file. Returns <code>null</code> if unable
+ * to recognize the class file.
+ *
+ * @param file the given <code>.class</code> file
+ * @return a class file element for the given <code>.class</code> file, or <code>null</code> if unable
+ * to recognize the class file
+ */
+// public static IClassFile createClassFileFrom(IFile file) {
+// return JavaModelManager.createClassFileFrom(file, null);
+// }
+ /**
+ * Creates and returns a compilation unit element for
+ * the given <code>.java</code> file. Returns <code>null</code> if unable
+ * to recognize the compilation unit.
+ *
+ * @param file the given <code>.java</code> file
+ * @return a compilation unit element for the given <code>.java</code> file, or <code>null</code> if unable
+ * to recognize the compilation unit
+ */
+ public static ICompilationUnit createCompilationUnitFrom(IFile file) {
+ return JavaModelManager.createCompilationUnitFrom(file, null);
+ }
+ /**
+ * Creates and returns a handle for the given JAR file.
+ * The Java model associated with the JAR's project may be
+ * created as a side effect.
+ *
+ * @param file the given JAR file
+ * @return a handle for the given JAR file, or <code>null</code> if unable to create a JAR package fragment root.
+ * (for example, if the JAR file represents a non-Java resource)
+ */
+// public static IPackageFragmentRoot createJarPackageFragmentRootFrom(IFile file) {
+// return JavaModelManager.createJarPackageFragmentRootFrom(file, null);
+// }
+
+ /**
+ * Answers the project specific value for a given classpath container.
+ * In case this container path could not be resolved, then will answer <code>null</code>.
+ * Both the container path and the project context are supposed to be non-null.
+ * <p>
+ * The containerPath is a formed by a first ID segment followed with extra segments, which can be
+ * used as additional hints for resolution. If no container was ever recorded for this container path
+ * onto this project (using <code>setClasspathContainer</code>, then a
+ * <code>ClasspathContainerInitializer</code> will be activated if any was registered for this container
+ * ID onto the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+ * <p>
+ * There is no assumption that the returned container must answer the exact same containerPath
+ * when requested <code>IClasspathContainer#getPath</code>.
+ * Indeed, the containerPath is just an indication for resolving it to an actual container object.
+ * <p>
+ * Classpath container values are persisted locally to the workspace, but
+ * are not preserved from a session to another. It is thus highly recommended to register a
+ * <code>ClasspathContainerInitializer</code> for each referenced container
+ * (through the extension point "org.eclipse.jdt.core.ClasspathContainerInitializer").
+ * <p>
+ * @param containerPath the name of the container, which needs to be resolved
+ * @param project a specific project in which the container is being resolved
+ * @return the corresponding classpath container or <code>null</code> if unable to find one.
+ *
+ * @exception JavaModelException if an exception occurred while resolving the container, or if the resolved container
+ * contains illegal entries (contains CPE_CONTAINER entries or null entries).
+ *
+ * @see ClasspathContainerInitializer
+ * @see IClasspathContainer
+ * @see #setClasspathContainer(IPath, IJavaProject[], IClasspathContainer[], IProgressMonitor)
+ * @since 2.0
+ */
+// public static IClasspathContainer getClasspathContainer(final IPath containerPath, final IJavaProject project) throws JavaModelException {
+//
+// IClasspathContainer container = JavaModelManager.containerGet(project, containerPath);
+// if (container == JavaModelManager.ContainerInitializationInProgress) return null; // break cycle
+//
+// if (container == null){
+// final ClasspathContainerInitializer initializer = JavaCore.getClasspathContainerInitializer(containerPath.segment(0));
+// if (initializer != null){
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer INIT - triggering initialization of: ["+project.getElementName()+"] " + containerPath + " using initializer: "+ initializer); //$NON-NLS-1$ //$NON-NLS-2$//$NON-NLS-3$
+// new Exception("FAKE exception for dumping current CPContainer (["+project.getElementName()+"] "+ containerPath+ ")INIT invocation stack trace").printStackTrace(); //$NON-NLS-1$//$NON-NLS-2$//$NON-NLS-3$
+// }
+// JavaModelManager.containerPut(project, containerPath, JavaModelManager.ContainerInitializationInProgress); // avoid initialization cycles
+// boolean ok = false;
+// try {
+// // wrap initializer call with Safe runnable in case initializer would be causing some grief
+// Platform.run(new ISafeRunnable() {
+// public void handleException(Throwable exception) {
+// Util.log(exception, "Exception occurred in classpath container initializer: "+initializer); //$NON-NLS-1$
+// }
+// public void run() throws Exception {
+// initializer.initialize(containerPath, project);
+// }
+// });
+//
+// // retrieve value (if initialization was successful)
+// container = JavaModelManager.containerGet(project, containerPath);
+// if (container == JavaModelManager.ContainerInitializationInProgress) return null; // break cycle
+// ok = true;
+// } finally {
+// if (!ok) JavaModelManager.containerPut(project, containerPath, null); // flush cache
+// }
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.print("CPContainer INIT - after resolution: ["+project.getElementName()+"] " + containerPath + " --> "); //$NON-NLS-2$//$NON-NLS-1$//$NON-NLS-3$
+// if (container != null){
+// System.out.print("container: "+container.getDescription()+" {"); //$NON-NLS-2$//$NON-NLS-1$
+// IClasspathEntry[] entries = container.getClasspathEntries();
+// if (entries != null){
+// for (int i = 0; i < entries.length; i++){
+// if (i > 0) System.out.println(", ");//$NON-NLS-1$
+// System.out.println(entries[i]);
+// }
+// }
+// System.out.println("}");//$NON-NLS-1$
+// } else {
+// System.out.println("{unbound}");//$NON-NLS-1$
+// }
+// }
+// } else {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer INIT - no initializer found for: "+project.getElementName()+"] " + containerPath); //$NON-NLS-1$ //$NON-NLS-2$
+// }
+// }
+// }
+// return container;
+// }
+
+ /**
+ * Helper method finding the classpath container initializer registered for a given classpath container ID
+ * or <code>null</code> if none was found while iterating over the contributions to extension point to
+ * the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+ * <p>
+ * A containerID is the first segment of any container path, used to identify the registered container initializer.
+ * <p>
+ * @param String - a containerID identifying a registered initializer
+ * @return ClasspathContainerInitializer - the registered classpath container initializer or <code>null</code> if
+ * none was found.
+ * @since 2.1
+ */
+// public static ClasspathContainerInitializer getClasspathContainerInitializer(String containerID){
+//
+// Plugin jdtCorePlugin = JavaCore.getPlugin();
+// if (jdtCorePlugin == null) return null;
+//
+// IExtensionPoint extension = jdtCorePlugin.getDescriptor().getExtensionPoint(JavaModelManager.CPCONTAINER_INITIALIZER_EXTPOINT_ID);
+// if (extension != null) {
+// IExtension[] extensions = extension.getExtensions();
+// for(int i = 0; i < extensions.length; i++){
+// IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
+// for(int j = 0; j < configElements.length; j++){
+// String initializerID = configElements[j].getAttribute("id"); //$NON-NLS-1$
+// if (initializerID != null && initializerID.equals(containerID)){
+// if (JavaModelManager.CP_RESOLVE_VERBOSE) {
+// System.out.println("CPContainer INIT - found initializer: "+containerID +" --> " + configElements[j].getAttribute("class"));//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
+// }
+// try {
+// Object execExt = configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
+// if (execExt instanceof ClasspathContainerInitializer){
+// return (ClasspathContainerInitializer)execExt;
+// }
+// } catch(CoreException e) {
+// }
+// }
+// }
+// }
+// }
+// return null;
+// }
+
+ /**
+ * Returns the path held in the given classpath variable.
+ * Returns <node>null</code> if unable to bind.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ * Note that classpath variables can be contributed registered initializers for,
+ * using the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+ * If an initializer is registered for a variable, its persisted value will be ignored:
+ * its initializer will thus get the opportunity to rebind the variable differently on
+ * each session.
+ *
+ * @param variableName the name of the classpath variable
+ * @return the path, or <code>null</code> if none
+ * @see #setClasspathVariable
+ */
+// public static IPath getClasspathVariable(final String variableName) {
+//
+// IPath variablePath = JavaModelManager.variableGet(variableName);
+// if (variablePath == JavaModelManager.VariableInitializationInProgress) return null; // break cycle
+//
+// if (variablePath != null) {
+// return variablePath;
+// }
+//
+// // even if persisted value exists, initializer is given priority, only if no initializer is found the persisted value is reused
+// final ClasspathVariableInitializer initializer = JavaCore.getClasspathVariableInitializer(variableName);
+// if (initializer != null){
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable INIT - triggering initialization of: " + variableName+ " using initializer: "+ initializer); //$NON-NLS-1$ //$NON-NLS-2$
+// new Exception("FAKE exception for dumping current CPVariable ("+variableName+ ")INIT invocation stack trace").printStackTrace(); //$NON-NLS-1$//$NON-NLS-2$
+// }
+// JavaModelManager.variablePut(variableName, JavaModelManager.VariableInitializationInProgress); // avoid initialization cycles
+// boolean ok = false;
+// try {
+// // wrap initializer call with Safe runnable in case initializer would be causing some grief
+// Platform.run(new ISafeRunnable() {
+// public void handleException(Throwable exception) {
+// Util.log(exception, "Exception occurred in classpath variable initializer: "+initializer+" while initializing variable: "+variableName); //$NON-NLS-1$ //$NON-NLS-2$
+// }
+// public void run() throws Exception {
+// initializer.initialize(variableName);
+// }
+// });
+// variablePath = (IPath) JavaModelManager.variableGet(variableName); // initializer should have performed side-effect
+// if (variablePath == JavaModelManager.VariableInitializationInProgress) return null; // break cycle (initializer did not init or reentering call)
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable INIT - after initialization: " + variableName + " --> " + variablePath); //$NON-NLS-2$//$NON-NLS-1$
+// }
+// ok = true;
+// } finally {
+// if (!ok) JavaModelManager.variablePut(variableName, null); // flush cache
+// }
+// } else {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable INIT - no initializer found for: " + variableName); //$NON-NLS-1$
+// }
+// }
+// return variablePath;
+// }
+
+ /**
+ * Helper method finding the classpath variable initializer registered for a given classpath variable name
+ * or <code>null</code> if none was found while iterating over the contributions to extension point to
+ * the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+ * <p>
+ * @param the given variable
+ * @return ClasspathVariableInitializer - the registered classpath variable initializer or <code>null</code> if
+ * none was found.
+ * @since 2.1
+ */
+// public static ClasspathVariableInitializer getClasspathVariableInitializer(String variable){
+//
+// Plugin jdtCorePlugin = JavaCore.getPlugin();
+// if (jdtCorePlugin == null) return null;
+//
+// IExtensionPoint extension = jdtCorePlugin.getDescriptor().getExtensionPoint(JavaModelManager.CPVARIABLE_INITIALIZER_EXTPOINT_ID);
+// if (extension != null) {
+// IExtension[] extensions = extension.getExtensions();
+// for(int i = 0; i < extensions.length; i++){
+// IConfigurationElement [] configElements = extensions[i].getConfigurationElements();
+// for(int j = 0; j < configElements.length; j++){
+// try {
+// String varAttribute = configElements[j].getAttribute("variable"); //$NON-NLS-1$
+// if (variable.equals(varAttribute)) {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE) {
+// System.out.println("CPVariable INIT - found initializer: "+variable+" --> " + configElements[j].getAttribute("class"));//$NON-NLS-3$//$NON-NLS-2$//$NON-NLS-1$
+// }
+// Object execExt = configElements[j].createExecutableExtension("class"); //$NON-NLS-1$
+// if (execExt instanceof ClasspathVariableInitializer){
+// return (ClasspathVariableInitializer)execExt;
+// }
+// }
+// } catch(CoreException e){
+// }
+// }
+// }
+// }
+// return null;
+// }
+
+ /**
+ * Returns the names of all known classpath variables.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ *
+ * @return the list of classpath variable names
+ * @see #setClasspathVariable
+ */
+// public static String[] getClasspathVariableNames() {
+// return JavaModelManager.variableNames();
+// }
+
+ /**
+ * Returns a table of all known configurable options with their default values.
+ * These options allow to configure the behaviour of the underlying components.
+ * The client may safely use the result as a template that they can modify and
+ * then pass to <code>setOptions</code>.
+ *
+ * Helper constants have been defined on JavaCore for each of the option ID and
+ * their possible constant values.
+ *
+ * Note: more options might be added in further releases.
+ * <pre>
+ * RECOGNIZED OPTIONS:
+ * COMPILER / Generating Local Variable Debug Attribute
+ * When generated, this attribute will enable local variable names
+ * to be displayed in debugger, only in place where variables are
+ * definitely assigned (.class file is then bigger)
+ * - option id: "org.eclipse.jdt.core.compiler.debug.localVariable"
+ * - possible values: { "generate", "do not generate" }
+ * - default: "generate"
+ *
+ * COMPILER / Generating Line Number Debug Attribute
+ * When generated, this attribute will enable source code highlighting in debugger
+ * (.class file is then bigger).
+ * - option id: "org.eclipse.jdt.core.compiler.debug.lineNumber"
+ * - possible values: { "generate", "do not generate" }
+ * - default: "generate"
+ *
+ * COMPILER / Generating Source Debug Attribute
+ * When generated, this attribute will enable the debugger to present the
+ * corresponding source code.
+ * - option id: "org.eclipse.jdt.core.compiler.debug.sourceFile"
+ * - possible values: { "generate", "do not generate" }
+ * - default: "generate"
+ *
+ * COMPILER / Preserving Unused Local Variables
+ * Unless requested to preserve unused local variables (that is, never read), the
+ * compiler will optimize them out, potentially altering debugging
+ * - option id: "org.eclipse.jdt.core.compiler.codegen.unusedLocal"
+ * - possible values: { "preserve", "optimize out" }
+ * - default: "preserve"
+ *
+ * COMPILER / Defining Target Java Platform
+ * For binary compatibility reason, .class files can be tagged to with certain VM versions and later.
+ * Note that "1.4" target require to toggle compliance mode to "1.4" too.
+ * - option id: "org.eclipse.jdt.core.compiler.codegen.targetPlatform"
+ * - possible values: { "1.1", "1.2", "1.3", "1.4" }
+ * - default: "1.1"
+ *
+ * COMPILER / Reporting Unreachable Code
+ * Unreachable code can optionally be reported as an error, warning or simply
+ * ignored. The bytecode generation will always optimized it out.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unreachableCode"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "error"
+ *
+ * COMPILER / Reporting Invalid Import
+ * An import statement that cannot be resolved might optionally be reported
+ * as an error, as a warning or ignored.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.invalidImport"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "error"
+ *
+ * COMPILER / Reporting Attempt to Override Package-Default Method
+ * A package default method is not visible in a different package, and thus
+ * cannot be overridden. When enabling this option, the compiler will signal
+ * such scenarii either as an error or a warning.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.overridingPackageDefaultMethod"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Method With Constructor Name
+ * Naming a method with a constructor name is generally considered poor
+ * style programming. When enabling this option, the compiler will signal such
+ * scenarii either as an error or a warning.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.methodWithConstructorName"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Deprecation
+ * When enabled, the compiler will signal use of deprecated API either as an
+ * error or a warning.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.deprecation"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Deprecation Inside Deprecated Code
+ * When enabled, the compiler will signal use of deprecated API inside deprecated code.
+ * The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.deprecation".
+ * - option id: "org.eclipse.jdt.core.compiler.problem.deprecationInDeprecatedCode"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "disabled"
+ *
+ * COMPILER / Reporting Hidden Catch Block
+ * Locally to a try statement, some catch blocks may hide others . For example,
+ * try { throw new java.io.CharConversionException();
+ * } catch (java.io.CharConversionException e) {
+ * } catch (java.io.IOException e) {}.
+ * When enabling this option, the compiler will issue an error or a warning for hidden
+ * catch blocks corresponding to checked exceptions
+ * - option id: "org.eclipse.jdt.core.compiler.problem.hiddenCatchBlock"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Unused Local
+ * When enabled, the compiler will issue an error or a warning for unused local
+ * variables (that is, variables never read from)
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedLocal"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Unused Parameter
+ * When enabled, the compiler will issue an error or a warning for unused method
+ * parameters (that is, parameters never read from)
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedParameter"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Unused Parameter if Implementing Abstract Method
+ * When enabled, the compiler will signal unused parameters in abstract method implementations.
+ * The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.unusedParameter".
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenImplementingAbstract"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "disabled"
+ *
+ * COMPILER / Reporting Unused Parameter if Overriding Concrete Method
+ * When enabled, the compiler will signal unused parameters in methods overriding concrete ones.
+ * The severity of the problem is controlled with option "org.eclipse.jdt.core.compiler.problem.unusedParameter".
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedParameterWhenOverridingConcrete"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "disabled"
+ *
+ * COMPILER / Reporting Unused Import
+ * When enabled, the compiler will issue an error or a warning for unused import
+ * reference
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedImport"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Unused Private Members
+ * When enabled, the compiler will issue an error or a warning whenever a private
+ * method or field is declared but never used within the same unit.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.unusedPrivateMember"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Synthetic Access Emulation
+ * When enabled, the compiler will issue an error or a warning whenever it emulates
+ * access to a non-accessible member of an enclosing type. Such access can have
+ * performance implications.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.syntheticAccessEmulation"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Non-Externalized String Literal
+ * When enabled, the compiler will issue an error or a warning for non externalized
+ * String literal (that is, not tagged with //$NON-NLS-<n>$).
+ * - option id: "org.eclipse.jdt.core.compiler.problem.nonExternalizedStringLiteral"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Usage of 'assert' Identifier
+ * When enabled, the compiler will issue an error or a warning whenever 'assert' is
+ * used as an identifier (reserved keyword in 1.4)
+ * - option id: "org.eclipse.jdt.core.compiler.problem.assertIdentifier"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "ignore"
+ *
+ * COMPILER / Reporting Non-Static Reference to a Static Member
+ * When enabled, the compiler will issue an error or a warning whenever a static field
+ * or method is accessed with an expression receiver. A reference to a static member should
+ * be qualified with a type name.
+ * - option id: "org.eclipse.jdt.core.compiler.problem.staticAccessReceiver"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Assignment with no Effect
+ * When enabled, the compiler will issue an error or a warning whenever an assignment
+ * has no effect (e.g 'x = x').
+ * - option id: "org.eclipse.jdt.core.compiler.problem.noEffectAssignment"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Interface Method not Compatible with non-Inherited Methods
+ * When enabled, the compiler will issue an error or a warning whenever an interface
+ * defines a method incompatible with a non-inherited Object method. Until this conflict
+ * is resolved, such an interface cannot be implemented, For example,
+ * interface I {
+ * int clone();
+ * }
+ * - option id: "org.eclipse.jdt.core.compiler.problem.incompatibleNonInheritedInterfaceMethod"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Reporting Usage of char[] Expressions in String Concatenations
+ * When enabled, the compiler will issue an error or a warning whenever a char[] expression
+ * is used in String concatenations (for example, "hello" + new char[]{'w','o','r','l','d'}).
+ * - option id: "org.eclipse.jdt.core.compiler.problem.noImplicitStringConversion"
+ * - possible values: { "error", "warning", "ignore" }
+ * - default: "warning"
+ *
+ * COMPILER / Setting Source Compatibility Mode
+ * Specify whether source is 1.3 or 1.4 compatible. From 1.4 on, 'assert' is a keyword
+ * reserved for assertion support. Also note, than when toggling to 1.4 mode, the target VM
+ * level should be set to "1.4" and the compliance mode should be "1.4".
+ * - option id: "org.eclipse.jdt.core.compiler.source"
+ * - possible values: { "1.3", "1.4" }
+ * - default: "1.3"
+ *
+ * COMPILER / Setting Compliance Level
+ * Select the compliance level for the compiler. In "1.3" mode, source and target settings
+ * should not go beyond "1.3" level.
+ * - option id: "org.eclipse.jdt.core.compiler.compliance"
+ * - possible values: { "1.3", "1.4" }
+ * - default: "1.3"
+ *
+ * COMPILER / Maximum number of problems reported per compilation unit
+ * Specify the maximum number of problems reported on each compilation unit.
+ * - option id: "org.eclipse.jdt.core.compiler.maxProblemPerUnit"
+ * - possible values: "<n>" where <n> is zero or a positive integer (if zero then all problems are reported).
+ * - default: "100"
+ *
+ * COMPILER / Define the Automatic Task Tags
+ * When the tag list is not empty, the compiler will issue a task marker whenever it encounters
+ * one of the corresponding tag inside any comment in Java source code.
+ * Generated task messages will include the tag, and range until the next line separator or comment ending.
+ * Note that tasks messages are trimmed.
+ * - option id: "org.eclipse.jdt.core.compiler.taskTags"
+ * - possible values: { "<tag>[,<tag>]*" } where <tag> is a String without any wild-card or leading/trailing spaces
+ * - default: ""
+ *
+ * COMPILER / Define the Automatic Task Priorities
+ * In parallel with the Automatic Task Tags, this list defines the priorities (high, normal or low)
+ * of the task markers issued by the compiler.
+ * If the default is specified, the priority of each task marker is "NORMAL".
+ * - option id: "org.eclipse.jdt.core.compiler.taskPriorities"
+ * - possible values: { "<priority>[,<priority>]*" } where <priority> is one of "HIGH", "NORMAL" or "LOW"
+ * - default: ""
+ *
+ * BUILDER / Specifying Filters for Resource Copying Control
+ * Allow to specify some filters to control the resource copy process.
+ * - option id: "org.eclipse.jdt.core.builder.resourceCopyExclusionFilter"
+ * - possible values: { "<name>[,<name>]* } where <name> is a file name pattern (* and ? wild-cards allowed)
+ * or the name of a folder which ends with '/'
+ * - default: ""
+ *
+ * BUILDER / Abort if Invalid Classpath
+ * Allow to toggle the builder to abort if the classpath is invalid
+ * - option id: "org.eclipse.jdt.core.builder.invalidClasspath"
+ * - possible values: { "abort", "ignore" }
+ * - default: "abort"
+ *
+ * BUILDER / Cleaning Output Folder(s)
+ * Indicate whether the JavaBuilder is allowed to clean the output folders
+ * when performing full build operations.
+ * - option id: "org.eclipse.jdt.core.builder.cleanOutputFolder"
+ * - possible values: { "clean", "ignore" }
+ * - default: "clean"
+ *
+ * BUILDER / Reporting Duplicate Resources
+ * Indicate the severity of the problem reported when more than one occurrence
+ * of a resource is to be copied into the output location.
+ * - option id: "org.eclipse.jdt.core.builder.duplicateResourceTask"
+ * - possible values: { "error", "warning" }
+ * - default: "warning"
+ *
+ * JAVACORE / Computing Project Build Order
+ * Indicate whether JavaCore should enforce the project build order to be based on
+ * the classpath prerequisite chain. When requesting to compute, this takes over
+ * the platform default order (based on project references).
+ * - option id: "org.eclipse.jdt.core.computeJavaBuildOrder"
+ * - possible values: { "compute", "ignore" }
+ * - default: "ignore"
+ *
+ * JAVACORE / Specify Default Source Encoding Format
+ * Get the encoding format for compiled sources. This setting is read-only, it is equivalent
+ * to 'ResourcesPlugin.getEncoding()'.
+ * - option id: "org.eclipse.jdt.core.encoding"
+ * - possible values: { any of the supported encoding name}.
+ * - default: <platform default>
+ *
+ * JAVACORE / Reporting Incomplete Classpath
+ * Indicate the severity of the problem reported when an entry on the classpath does not exist,
+ * is not legite or is not visible (for example, a referenced project is closed).
+ * - option id: "org.eclipse.jdt.core.incompleteClasspath"
+ * - possible values: { "error", "warning"}
+ * - default: "error"
+ *
+ * JAVACORE / Reporting Classpath Cycle
+ * Indicate the severity of the problem reported when a project is involved in a cycle.
+ * - option id: "org.eclipse.jdt.core.circularClasspath"
+ * - possible values: { "error", "warning" }
+ * - default: "error"
+ *
+ * JAVACORE / Enabling Usage of Classpath Exclusion Patterns
+ * When disabled, no entry on a project classpath can be associated with
+ * an exclusion pattern.
+ * - option id: "org.eclipse.jdt.core.classpath.exclusionPatterns"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "enabled"
+ *
+ * JAVACORE / Enabling Usage of Classpath Multiple Output Locations
+ * When disabled, no entry on a project classpath can be associated with
+ * a specific output location, preventing thus usage of multiple output locations.
+ * - option id: "org.eclipse.jdt.core.classpath.multipleOutputLocations"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "enabled"
+ *
+ * FORMATTER / Inserting New Line Before Opening Brace
+ * When Insert, a new line is inserted before an opening brace, otherwise nothing
+ * is inserted
+ * - option id: "org.eclipse.jdt.core.formatter.newline.openingBrace"
+ * - possible values: { "insert", "do not insert" }
+ * - default: "do not insert"
+ *
+ * FORMATTER / Inserting New Line Inside Control Statement
+ * When Insert, a new line is inserted between } and following else, catch, finally
+ * - option id: "org.eclipse.jdt.core.formatter.newline.controlStatement"
+ * - possible values: { "insert", "do not insert" }
+ * - default: "do not insert"
+ *
+ * FORMATTER / Clearing Blank Lines
+ * When Clear all, all blank lines are removed. When Preserve one, only one is kept
+ * and all others removed.
+ * - option id: "org.eclipse.jdt.core.formatter.newline.clearAll"
+ * - possible values: { "clear all", "preserve one" }
+ * - default: "preserve one"
+ *
+ * FORMATTER / Inserting New Line Between Else/If
+ * When Insert, a blank line is inserted between an else and an if when they are
+ * contiguous. When choosing to not insert, else-if will be kept on the same
+ * line when possible.
+ * - option id: "org.eclipse.jdt.core.formatter.newline.elseIf"
+ * - possible values: { "insert", "do not insert" }
+ * - default: "do not insert"
+ *
+ * FORMATTER / Inserting New Line In Empty Block
+ * When insert, a line break is inserted between contiguous { and }, if } is not followed
+ * by a keyword.
+ * - option id: "org.eclipse.jdt.core.formatter.newline.emptyBlock"
+ * - possible values: { "insert", "do not insert" }
+ * - default: "insert"
+ *
+ * FORMATTER / Splitting Lines Exceeding Length
+ * Enable splitting of long lines (exceeding the configurable length). Length of 0 will
+ * disable line splitting
+ * - option id: "org.eclipse.jdt.core.formatter.lineSplit"
+ * - possible values: "<n>", where n is zero or a positive integer
+ * - default: "80"
+ *
+ * FORMATTER / Compacting Assignment
+ * Assignments can be formatted asymmetrically, for example 'int x= 2;', when Normal, a space
+ * is inserted before the assignment operator
+ * - option id: "org.eclipse.jdt.core.formatter.style.assignment"
+ * - possible values: { "compact", "normal" }
+ * - default: "normal"
+ *
+ * FORMATTER / Defining Indentation Character
+ * Either choose to indent with tab characters or spaces
+ * - option id: "org.eclipse.jdt.core.formatter.tabulation.char"
+ * - possible values: { "tab", "space" }
+ * - default: "tab"
+ *
+ * FORMATTER / Defining Space Indentation Length
+ * When using spaces, set the amount of space characters to use for each
+ * indentation mark.
+ * - option id: "org.eclipse.jdt.core.formatter.tabulation.size"
+ * - possible values: "<n>", where n is a positive integer
+ * - default: "4"
+ *
+ * FORMATTER / Inserting space in cast expression
+ * When Insert, a space is added between the type and the expression in a cast expression.
+ * - option id: "org.eclipse.jdt.core.formatter.space.castexpression"
+ * - possible values: { "insert", "do not insert" }
+ * - default: "insert"
+ *
+ * CODEASSIST / Activate Visibility Sensitive Completion
+ * When active, completion doesn't show that you can not see
+ * (for example, you can not see private methods of a super class).
+ * - option id: "org.eclipse.jdt.core.codeComplete.visibilityCheck"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "disabled"
+ *
+ * CODEASSIST / Automatic Qualification of Implicit Members
+ * When active, completion automatically qualifies completion on implicit
+ * field references and message expressions.
+ * - option id: "org.eclipse.jdt.core.codeComplete.forceImplicitQualification"
+ * - possible values: { "enabled", "disabled" }
+ * - default: "disabled"
+ *
+ * CODEASSIST / Define the Prefixes for Field Name
+ * When the prefixes is non empty, completion for field name will begin with
+ * one of the proposed prefixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.fieldPrefixes"
+ * - possible values: { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Prefixes for Static Field Name
+ * When the prefixes is non empty, completion for static field name will begin with
+ * one of the proposed prefixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.staticFieldPrefixes"
+ * - possible values: { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Prefixes for Local Variable Name
+ * When the prefixes is non empty, completion for local variable name will begin with
+ * one of the proposed prefixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.localPrefixes"
+ * - possible values: { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Prefixes for Argument Name
+ * When the prefixes is non empty, completion for argument name will begin with
+ * one of the proposed prefixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.argumentPrefixes"
+ * - possible values: { "<prefix>[,<prefix>]*" } where <prefix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Suffixes for Field Name
+ * When the suffixes is non empty, completion for field name will end with
+ * one of the proposed suffixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.fieldSuffixes"
+ * - possible values: { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Suffixes for Static Field Name
+ * When the suffixes is non empty, completion for static field name will end with
+ * one of the proposed suffixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.staticFieldSuffixes"
+ * - possible values: { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Suffixes for Local Variable Name
+ * When the suffixes is non empty, completion for local variable name will end with
+ * one of the proposed suffixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.localSuffixes"
+ * - possible values: { "<suffix>[,<suffix>]*" } where <suffix> is a String without any wild-card
+ * - default: ""
+ *
+ * CODEASSIST / Define the Suffixes for Argument Name
+ * When the suffixes is non empty, completion for argument name will end with
+ * one of the proposed suffixes.
+ * - option id: "org.eclipse.jdt.core.codeComplete.argumentSuffixes"
+ * - possible values: { "<suffix>[,<suffix>]*" } where <prefix> is a String without any wild-card
+ * - default: ""
+ * </pre>
+ *
+ * @return a mutable table containing the default settings of all known options
+ * (key type: <code>String</code>; value type: <code>String</code>)
+ * @see #setOptions
+ */
+ public static Hashtable getDefaultOptions(){
+
+ Hashtable defaultOptions = new Hashtable(10);
+
+ // see #initializeDefaultPluginPreferences() for changing default settings
+ Preferences preferences = getPlugin().getPluginPreferences();
+ HashSet optionNames = JavaModelManager.OptionNames;
+
+ // get preferences set to their default
+ String[] defaultPropertyNames = preferences.defaultPropertyNames();
+ for (int i = 0; i < defaultPropertyNames.length; i++){
+ String propertyName = defaultPropertyNames[i];
+ if (optionNames.contains(propertyName)) {
+ defaultOptions.put(propertyName, preferences.getDefaultString(propertyName));
+ }
+ }
+ // get preferences not set to their default
+ String[] propertyNames = preferences.propertyNames();
+ for (int i = 0; i < propertyNames.length; i++){
+ String propertyName = propertyNames[i];
+ if (optionNames.contains(propertyName)) {
+ defaultOptions.put(propertyName, preferences.getDefaultString(propertyName));
+ }
+ }
+ // get encoding through resource plugin
+ defaultOptions.put(CORE_ENCODING, ResourcesPlugin.getEncoding());
+
+ return defaultOptions;
+ }
+
+ /**
+ * Returns the single instance of the Java core plug-in runtime class.
+ * Equivalent to <code>(JavaCore) getPlugin()</code>.
+ *
+ * @return the single instance of the Java core plug-in runtime class
+ */
+ public static JavaCore getJavaCore() {
+ return (JavaCore) getPlugin();
+ }
+
+ /**
+ * Helper method for returning one option value only. Equivalent to <code>(String)JavaCore.getOptions().get(optionName)</code>
+ * Note that it may answer <code>null</code> if this option does not exist.
+ * <p>
+ * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+ * </p>
+ *
+ * @param optionName the name of an option
+ * @return the String value of a given option
+ * @see JavaCore#getDefaultOptions
+ * @since 2.0
+ */
+ public static String getOption(String optionName) {
+
+ if (CORE_ENCODING.equals(optionName)){
+ return ResourcesPlugin.getEncoding();
+ }
+ if (JavaModelManager.OptionNames.contains(optionName)){
+ Preferences preferences = getPlugin().getPluginPreferences();
+ return preferences.getString(optionName).trim();
+ }
+ return null;
+ }
+
+ /**
+ * Returns the table of the current options. Initially, all options have their default values,
+ * and this method returns a table that includes all known options.
+ * <p>
+ * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+ * </p>
+ *
+ * @return table of current settings of all options
+ * (key type: <code>String</code>; value type: <code>String</code>)
+ * @see JavaCore#getDefaultOptions
+ */
+ public static Hashtable getOptions() {
+
+ Hashtable options = new Hashtable(10);
+
+ // see #initializeDefaultPluginPreferences() for changing default settings
+ Plugin plugin = getPlugin();
+ if (plugin != null) {
+ Preferences preferences = getPlugin().getPluginPreferences();
+ HashSet optionNames = JavaModelManager.OptionNames;
+
+ // get preferences set to their default
+ String[] defaultPropertyNames = preferences.defaultPropertyNames();
+ for (int i = 0; i < defaultPropertyNames.length; i++){
+ String propertyName = defaultPropertyNames[i];
+ if (optionNames.contains(propertyName)){
+ options.put(propertyName, preferences.getDefaultString(propertyName));
+ }
+ }
+ // get preferences not set to their default
+ String[] propertyNames = preferences.propertyNames();
+ for (int i = 0; i < propertyNames.length; i++){
+ String propertyName = propertyNames[i];
+ if (optionNames.contains(propertyName)){
+ options.put(propertyName, preferences.getString(propertyName).trim());
+ }
+ }
+ // get encoding through resource plugin
+ options.put(CORE_ENCODING, ResourcesPlugin.getEncoding());
+ }
+ return options;
+ }
+
+ /**
+ * Returns the single instance of the Java core plug-in runtime class.
+ *
+ * @return the single instance of the Java core plug-in runtime class
+ */
+ public static Plugin getPlugin() {
+ return JAVA_CORE_PLUGIN;
+ }
+
+ /**
+ * This is a helper method, which returns the resolved classpath entry denoted
+ * by a given entry (if it is a variable entry). It is obtained by resolving the variable
+ * reference in the first segment. Returns <node>null</code> if unable to resolve using
+ * the following algorithm:
+ * <ul>
+ * <li> if variable segment cannot be resolved, returns <code>null</code></li>
+ * <li> finds a project, JAR or binary folder in the workspace at the resolved path location</li>
+ * <li> if none finds an external JAR file or folder outside the workspace at the resolved path location </li>
+ * <li> if none returns <code>null</code></li>
+ * </ul>
+ * <p>
+ * Variable source attachment path and root path are also resolved and recorded in the resulting classpath entry.
+ * <p>
+ * NOTE: This helper method does not handle classpath containers, for which should rather be used
+ * <code>JavaCore#getClasspathContainer(IPath, IJavaProject)</code>.
+ * <p>
+ *
+ * @param entry the given variable entry
+ * @return the resolved library or project classpath entry, or <code>null</code>
+ * if the given variable entry could not be resolved to a valid classpath entry
+ */
+// public static IClasspathEntry getResolvedClasspathEntry(IClasspathEntry entry) {
+//
+// if (entry.getEntryKind() != IClasspathEntry.CPE_VARIABLE)
+// return entry;
+//
+// IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
+// IPath resolvedPath = JavaCore.getResolvedVariablePath(entry.getPath());
+// if (resolvedPath == null)
+// return null;
+//
+// Object target = JavaModel.getTarget(workspaceRoot, resolvedPath, false);
+// if (target == null)
+// return null;
+//
+// // inside the workspace
+// if (target instanceof IResource) {
+// IResource resolvedResource = (IResource) target;
+// if (resolvedResource != null) {
+// switch (resolvedResource.getType()) {
+//
+// case IResource.PROJECT :
+// // internal project
+// return JavaCore.newProjectEntry(resolvedPath, entry.isExported());
+//
+// case IResource.FILE :
+// if (Util.isArchiveFileName(resolvedResource.getName())) {
+// // internal binary archive
+// return JavaCore.newLibraryEntry(
+// resolvedPath,
+// getResolvedVariablePath(entry.getSourceAttachmentPath()),
+// getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+// entry.isExported());
+// }
+// break;
+//
+// case IResource.FOLDER :
+// // internal binary folder
+// return JavaCore.newLibraryEntry(
+// resolvedPath,
+// getResolvedVariablePath(entry.getSourceAttachmentPath()),
+// getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+// entry.isExported());
+// }
+// }
+// }
+// // outside the workspace
+// if (target instanceof File) {
+// File externalFile = (File) target;
+// if (externalFile.isFile()) {
+// String fileName = externalFile.getName().toLowerCase();
+// if (fileName.endsWith(".jar" //$NON-NLS-1$
+// ) || fileName.endsWith(".zip" //$NON-NLS-1$
+// )) { // external binary archive
+// return JavaCore.newLibraryEntry(
+// resolvedPath,
+// getResolvedVariablePath(entry.getSourceAttachmentPath()),
+// getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+// entry.isExported());
+// }
+// } else { // external binary folder
+// if (resolvedPath.isAbsolute()){
+// return JavaCore.newLibraryEntry(
+// resolvedPath,
+// getResolvedVariablePath(entry.getSourceAttachmentPath()),
+// getResolvedVariablePath(entry.getSourceAttachmentRootPath()),
+// entry.isExported());
+// }
+// }
+// }
+// return null;
+// }
+
+
+ /**
+ * Resolve a variable path (helper method).
+ *
+ * @param variablePath the given variable path
+ * @return the resolved variable path or <code>null</code> if none
+ */
+// public static IPath getResolvedVariablePath(IPath variablePath) {
+//
+// if (variablePath == null)
+// return null;
+// int count = variablePath.segmentCount();
+// if (count == 0)
+// return null;
+//
+// // lookup variable
+// String variableName = variablePath.segment(0);
+// IPath resolvedPath = JavaCore.getClasspathVariable(variableName);
+// if (resolvedPath == null)
+// return null;
+//
+// // append path suffix
+// if (count > 1) {
+// resolvedPath = resolvedPath.append(variablePath.removeFirstSegments(1));
+// }
+// return resolvedPath;
+// }
+
+ /**
+ * Answers the shared working copies currently registered for this buffer factory.
+ * Working copies can be shared by several clients using the same buffer factory,see
+ * <code>IWorkingCopy.getSharedWorkingCopy</code>.
+ *
+ * @param factory the given buffer factory
+ * @return the list of shared working copies for a given buffer factory
+ * @see IWorkingCopy
+ * @since 2.0
+ */
+ public static IWorkingCopy[] getSharedWorkingCopies(IBufferFactory factory){
+
+ // if factory is null, default factory must be used
+ if (factory == null) factory = BufferManager.getDefaultBufferManager().getDefaultBufferFactory();
+ Map sharedWorkingCopies = JavaModelManager.getJavaModelManager().sharedWorkingCopies;
+
+ Map perFactoryWorkingCopies = (Map) sharedWorkingCopies.get(factory);
+ if (perFactoryWorkingCopies == null) return JavaModelManager.NoWorkingCopy;
+ Collection copies = perFactoryWorkingCopies.values();
+ IWorkingCopy[] result = new IWorkingCopy[copies.size()];
+ copies.toArray(result);
+ return result;
+ }
+
+ /**
+ * Initializes the default preferences settings for this plug-in.
+ */
+ protected void initializeDefaultPluginPreferences() {
+
+ Preferences preferences = getPluginPreferences();
+ HashSet optionNames = JavaModelManager.OptionNames;
+
+ // Compiler settings
+ preferences.setDefault(COMPILER_LOCAL_VARIABLE_ATTR, GENERATE);
+ optionNames.add(COMPILER_LOCAL_VARIABLE_ATTR);
+
+ preferences.setDefault(COMPILER_LINE_NUMBER_ATTR, GENERATE);
+ optionNames.add(COMPILER_LINE_NUMBER_ATTR);
+
+ preferences.setDefault(COMPILER_SOURCE_FILE_ATTR, GENERATE);
+ optionNames.add(COMPILER_SOURCE_FILE_ATTR);
+
+ preferences.setDefault(COMPILER_CODEGEN_UNUSED_LOCAL, PRESERVE);
+ optionNames.add(COMPILER_CODEGEN_UNUSED_LOCAL);
+
+ preferences.setDefault(COMPILER_CODEGEN_TARGET_PLATFORM, VERSION_1_1);
+ optionNames.add(COMPILER_CODEGEN_TARGET_PLATFORM);
+
+ preferences.setDefault(COMPILER_PB_UNREACHABLE_CODE, ERROR);
+ optionNames.add(COMPILER_PB_UNREACHABLE_CODE);
+
+ preferences.setDefault(COMPILER_PB_INVALID_IMPORT, ERROR);
+ optionNames.add(COMPILER_PB_INVALID_IMPORT);
+
+ preferences.setDefault(COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD, WARNING);
+ optionNames.add(COMPILER_PB_OVERRIDING_PACKAGE_DEFAULT_METHOD);
+
+ preferences.setDefault(COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME, WARNING);
+ optionNames.add(COMPILER_PB_METHOD_WITH_CONSTRUCTOR_NAME);
+
+ preferences.setDefault(COMPILER_PB_DEPRECATION, WARNING);
+ optionNames.add(COMPILER_PB_DEPRECATION);
+
+ preferences.setDefault(COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE, DISABLED);
+ optionNames.add(COMPILER_PB_DEPRECATION_IN_DEPRECATED_CODE);
+
+ preferences.setDefault(COMPILER_PB_HIDDEN_CATCH_BLOCK, WARNING);
+ optionNames.add(COMPILER_PB_HIDDEN_CATCH_BLOCK);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_LOCAL, IGNORE);
+ optionNames.add(COMPILER_PB_UNUSED_LOCAL);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER, IGNORE);
+ optionNames.add(COMPILER_PB_UNUSED_PARAMETER);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT, DISABLED);
+ optionNames.add(COMPILER_PB_UNUSED_PARAMETER_WHEN_IMPLEMENTING_ABSTRACT);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE, DISABLED);
+ optionNames.add(COMPILER_PB_UNUSED_PARAMETER_WHEN_OVERRIDING_CONCRETE);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_IMPORT, WARNING);
+ optionNames.add(COMPILER_PB_UNUSED_IMPORT);
+
+ preferences.setDefault(COMPILER_PB_UNUSED_PRIVATE_MEMBER, IGNORE);
+ optionNames.add(COMPILER_PB_UNUSED_PRIVATE_MEMBER);
+
+ preferences.setDefault(COMPILER_PB_SYNTHETIC_ACCESS_EMULATION, IGNORE);
+ optionNames.add(COMPILER_PB_SYNTHETIC_ACCESS_EMULATION);
+
+ preferences.setDefault(COMPILER_PB_NON_NLS_STRING_LITERAL, IGNORE);
+ optionNames.add(COMPILER_PB_NON_NLS_STRING_LITERAL);
+
+ preferences.setDefault(COMPILER_PB_ASSERT_IDENTIFIER, IGNORE);
+ optionNames.add(COMPILER_PB_ASSERT_IDENTIFIER);
+
+ preferences.setDefault(COMPILER_PB_STATIC_ACCESS_RECEIVER, WARNING);
+ optionNames.add(COMPILER_PB_STATIC_ACCESS_RECEIVER);
+
+ preferences.setDefault(COMPILER_PB_NO_EFFECT_ASSIGNMENT, WARNING);
+ optionNames.add(COMPILER_PB_NO_EFFECT_ASSIGNMENT);
+
+ preferences.setDefault(COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD, WARNING);
+ optionNames.add(COMPILER_PB_INCOMPATIBLE_NON_INHERITED_INTERFACE_METHOD);
+
+ preferences.setDefault(COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION, WARNING);
+ optionNames.add(COMPILER_PB_CHAR_ARRAY_IN_STRING_CONCATENATION);
+
+ preferences.setDefault(COMPILER_TASK_TAGS, DEFAULT_TASK_TAG); //$NON-NLS-1$
+ optionNames.add(COMPILER_TASK_TAGS);
+
+ preferences.setDefault(COMPILER_TASK_PRIORITIES, DEFAULT_TASK_PRIORITY); //$NON-NLS-1$
+ optionNames.add(COMPILER_TASK_PRIORITIES);
+
+ preferences.setDefault(COMPILER_SOURCE, VERSION_1_3);
+ optionNames.add(COMPILER_SOURCE);
+
+ preferences.setDefault(COMPILER_COMPLIANCE, VERSION_1_3);
+ optionNames.add(COMPILER_COMPLIANCE);
+
+ preferences.setDefault(COMPILER_PB_MAX_PER_UNIT, "100"); //$NON-NLS-1$
+ optionNames.add(COMPILER_PB_MAX_PER_UNIT);
+
+ // Builder settings
+ preferences.setDefault(CORE_JAVA_BUILD_RESOURCE_COPY_FILTER, ""); //$NON-NLS-1$
+ optionNames.add(CORE_JAVA_BUILD_RESOURCE_COPY_FILTER);
+
+ preferences.setDefault(CORE_JAVA_BUILD_INVALID_CLASSPATH, ABORT);
+ optionNames.add(CORE_JAVA_BUILD_INVALID_CLASSPATH);
+
+ preferences.setDefault(CORE_JAVA_BUILD_DUPLICATE_RESOURCE, WARNING);
+ optionNames.add(CORE_JAVA_BUILD_DUPLICATE_RESOURCE);
+
+ preferences.setDefault(CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER, CLEAN);
+ optionNames.add(CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER);
+
+ // JavaCore settings
+ preferences.setDefault(CORE_JAVA_BUILD_ORDER, IGNORE);
+ optionNames.add(CORE_JAVA_BUILD_ORDER);
+
+ preferences.setDefault(CORE_CIRCULAR_CLASSPATH, ERROR);
+ optionNames.add(CORE_CIRCULAR_CLASSPATH);
+
+ preferences.setDefault(CORE_INCOMPLETE_CLASSPATH, ERROR);
+ optionNames.add(CORE_INCOMPLETE_CLASSPATH);
+
+ preferences.setDefault(CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS, ENABLED);
+ optionNames.add(CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS);
+
+ preferences.setDefault(CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS, ENABLED);
+ optionNames.add(CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS);
+
+ // encoding setting comes from resource plug-in
+ optionNames.add(CORE_ENCODING);
+
+ // Formatter settings
+ preferences.setDefault(FORMATTER_NEWLINE_OPENING_BRACE, DO_NOT_INSERT);
+ optionNames.add(FORMATTER_NEWLINE_OPENING_BRACE);
+
+ preferences.setDefault(FORMATTER_NEWLINE_CONTROL, DO_NOT_INSERT);
+ optionNames.add(FORMATTER_NEWLINE_CONTROL);
+
+ preferences.setDefault(FORMATTER_CLEAR_BLANK_LINES, PRESERVE_ONE);
+ optionNames.add(FORMATTER_CLEAR_BLANK_LINES);
+
+ preferences.setDefault(FORMATTER_NEWLINE_ELSE_IF, DO_NOT_INSERT);
+ optionNames.add(FORMATTER_NEWLINE_ELSE_IF);
+
+ preferences.setDefault(FORMATTER_NEWLINE_EMPTY_BLOCK, INSERT);
+ optionNames.add(FORMATTER_NEWLINE_EMPTY_BLOCK);
+
+ preferences.setDefault(FORMATTER_LINE_SPLIT, "80"); //$NON-NLS-1$
+ optionNames.add(FORMATTER_LINE_SPLIT);
+
+ preferences.setDefault(FORMATTER_COMPACT_ASSIGNMENT, NORMAL);
+ optionNames.add(FORMATTER_COMPACT_ASSIGNMENT);
+
+ preferences.setDefault(FORMATTER_TAB_CHAR, TAB);
+ optionNames.add(FORMATTER_TAB_CHAR);
+
+ preferences.setDefault(FORMATTER_TAB_SIZE, "4"); //$NON-NLS-1$
+ optionNames.add(FORMATTER_TAB_SIZE);
+
+ preferences.setDefault(FORMATTER_SPACE_CASTEXPRESSION, INSERT); //$NON-NLS-1$
+ optionNames.add(FORMATTER_SPACE_CASTEXPRESSION);
+
+ // CodeAssist settings
+ preferences.setDefault(CODEASSIST_VISIBILITY_CHECK, DISABLED); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_VISIBILITY_CHECK);
+
+ preferences.setDefault(CODEASSIST_IMPLICIT_QUALIFICATION, DISABLED); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_IMPLICIT_QUALIFICATION);
+
+ preferences.setDefault(CODEASSIST_FIELD_PREFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_FIELD_PREFIXES);
+
+ preferences.setDefault(CODEASSIST_STATIC_FIELD_PREFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_STATIC_FIELD_PREFIXES);
+
+ preferences.setDefault(CODEASSIST_LOCAL_PREFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_LOCAL_PREFIXES);
+
+ preferences.setDefault(CODEASSIST_ARGUMENT_PREFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_ARGUMENT_PREFIXES);
+
+ preferences.setDefault(CODEASSIST_FIELD_SUFFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_FIELD_SUFFIXES);
+
+ preferences.setDefault(CODEASSIST_STATIC_FIELD_SUFFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_STATIC_FIELD_SUFFIXES);
+
+ preferences.setDefault(CODEASSIST_LOCAL_SUFFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_LOCAL_SUFFIXES);
+
+ preferences.setDefault(CODEASSIST_ARGUMENT_SUFFIXES, ""); //$NON-NLS-1$
+ optionNames.add(CODEASSIST_ARGUMENT_SUFFIXES);
+ }
+
+ /**
+ * Returns whether the given marker references the given Java element.
+ * Used for markers, which denote a Java element rather than a resource.
+ *
+ * @param element the element
+ * @param marker the marker
+ * @return <code>true</code> if the marker references the element, false otherwise
+ * @exception CoreException if the <code>IMarker.getAttribute</code> on the marker fails
+ */
+ public static boolean isReferencedBy(IJavaElement element, IMarker marker) throws CoreException {
+
+ // only match units or classfiles
+ if (element instanceof IMember){
+ IMember member = (IMember) element;
+ if (member.isBinary()){
+ element = null; //member.getClassFile();
+ } else {
+ element = member.getCompilationUnit();
+ }
+ }
+ if (element == null) return false;
+ if (marker == null) return false;
+
+ String markerHandleId = (String)marker.getAttribute(ATT_HANDLE_ID);
+ if (markerHandleId == null) return false;
+
+ IJavaElement markerElement = JavaCore.create(markerHandleId);
+// while (true){
+ if (element.equals(markerElement)) return true; // external elements may still be equal with different handleIDs.
+
+ // cycle through enclosing types in case marker is associated with a classfile (15568)
+// if (markerElement instanceof IClassFile){
+// IType enclosingType = ((IClassFile)markerElement).getType().getDeclaringType();
+// if (enclosingType != null){
+// markerElement = enclosingType.getClassFile(); // retry with immediate enclosing classfile
+// continue;
+// }
+// }
+// break;
+// }
+ return false;
+ }
+
+ /**
+ * Returns whether the given marker delta references the given Java element.
+ * Used for markers deltas, which denote a Java element rather than a resource.
+ *
+ * @param element the element
+ * @param markerDelta the marker delta
+ * @return <code>true</code> if the marker delta references the element
+ * @exception CoreException if the <code>IMarkerDelta.getAttribute</code> on the marker delta fails
+ */
+ public static boolean isReferencedBy(IJavaElement element, IMarkerDelta markerDelta) throws CoreException {
+
+ // only match units or classfiles
+ if (element instanceof IMember){
+ IMember member = (IMember) element;
+ if (member.isBinary()){
+ element = null; //member.getClassFile();
+ } else {
+ element = member.getCompilationUnit();
+ }
+ }
+ if (element == null) return false;
+ if (markerDelta == null) return false;
+
+ String markerDeltarHandleId = (String)markerDelta.getAttribute(ATT_HANDLE_ID);
+ if (markerDeltarHandleId == null) return false;
+
+ IJavaElement markerElement = JavaCore.create(markerDeltarHandleId);
+// while (true){
+ if (element.equals(markerElement)) return true; // external elements may still be equal with different handleIDs.
+
+ // cycle through enclosing types in case marker is associated with a classfile (15568)
+// if (markerElement instanceof IClassFile){
+// IType enclosingType = ((IClassFile)markerElement).getType().getDeclaringType();
+// if (enclosingType != null){
+// markerElement = enclosingType.getClassFile(); // retry with immediate enclosing classfile
+// continue;
+// }
+// }
+// break;
+// }
+ return false;
+ }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_CONTAINER</code>
+ * for the given path. The path of the container will be used during resolution so as to map this
+ * container entry to a set of other classpath entries the container is acting for.
+ * <p>
+ * A container entry allows to express indirect references to a set of libraries, projects and variable entries,
+ * which can be interpreted differently for each Java project where it is used.
+ * A classpath container entry can be resolved using <code>JavaCore.getResolvedClasspathContainer</code>,
+ * and updated with <code>JavaCore.classpathContainerChanged</code>
+ * <p>
+ * A container is exclusively resolved by a <code>ClasspathContainerInitializer</code> registered onto the
+ * extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+ * <p>
+ * A container path must be formed of at least one segment, where: <ul>
+ * <li> the first segment is a unique ID identifying the target container, there must be a container initializer registered
+ * onto this ID through the extension point "org.eclipse.jdt.core.classpathContainerInitializer". </li>
+ * <li> the remaining segments will be passed onto the initializer, and can be used as additional
+ * hints during the initialization phase. </li>
+ * </ul>
+ * <p>
+ * Example of an ClasspathContainerInitializer for a classpath container denoting a default JDK container:
+ *
+ * containerEntry = JavaCore.newContainerEntry(new Path("MyProvidedJDK/default"));
+ *
+ * <extension
+ * point="org.eclipse.jdt.core.classpathContainerInitializer">
+ * <containerInitializer
+ * id="MyProvidedJDK"
+ * class="com.example.MyInitializer"/>
+ * <p>
+ * Note that this operation does not attempt to validate classpath containers
+ * or access the resources at the given paths.
+ * <p>
+ * The resulting entry is not exported to dependent projects. This method is equivalent to
+ * <code>newContainerEntry(-,false)</code>.
+ * <p>
+ * @param containerPath the path identifying the container, it must be formed of two
+ * segments
+ * @return a new container classpath entry
+ *
+ * @see JavaCore#getClasspathContainer(IPath, IJavaProject)
+ * @see JavaCore#newContainerEntry(IPath, boolean)
+ * @since 2.0
+ */
+// public static IClasspathEntry newContainerEntry(IPath containerPath) {
+//
+// return newContainerEntry(containerPath, false);
+// }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_CONTAINER</code>
+ * for the given path. The path of the container will be used during resolution so as to map this
+ * container entry to a set of other classpath entries the container is acting for.
+ * <p>
+ * A container entry allows to express indirect references to a set of libraries, projects and variable entries,
+ * which can be interpreted differently for each Java project where it is used.
+ * A classpath container entry can be resolved using <code>JavaCore.getResolvedClasspathContainer</code>,
+ * and updated with <code>JavaCore.classpathContainerChanged</code>
+ * <p>
+ * A container is exclusively resolved by a <code>ClasspathContainerInitializer</code> registered onto the
+ * extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+ * <p>
+ * A container path must be formed of at least one segment, where: <ul>
+ * <li> the first segment is a unique ID identifying the target container, there must be a container initializer registered
+ * onto this ID through the extension point "org.eclipse.jdt.core.classpathContainerInitializer". </li>
+ * <li> the remaining segments will be passed onto the initializer, and can be used as additional
+ * hints during the initialization phase. </li>
+ * </ul>
+ * <p>
+ * Example of an ClasspathContainerInitializer for a classpath container denoting a default JDK container:
+ *
+ * containerEntry = JavaCore.newContainerEntry(new Path("MyProvidedJDK/default"));
+ *
+ * <extension
+ * point="org.eclipse.jdt.core.classpathContainerInitializer">
+ * <containerInitializer
+ * id="MyProvidedJDK"
+ * class="com.example.MyInitializer"/>
+ * <p>
+ * Note that this operation does not attempt to validate classpath containers
+ * or access the resources at the given paths.
+ * <p>
+ * @param containerPath the path identifying the container, it must be formed of at least
+ * one segment (ID+hints)
+ * @param isExported a boolean indicating whether this entry is contributed to dependent
+ * projects in addition to the output location
+ * @return a new container classpath entry
+ *
+ * @see JavaCore#getClasspathContainer(IPath, IJavaProject)
+ * @see JavaCore#setClasspathContainer(IPath, IJavaProject[], IClasspathContainer[], IProgressMonitor)
+ * @see JavaCore#newContainerEntry(IPath, boolean)
+ * @since 2.0
+ */
+// public static IClasspathEntry newContainerEntry(IPath containerPath, boolean isExported) {
+//
+// if (containerPath == null || containerPath.segmentCount() < 1) {
+// Assert.isTrue(
+// false,
+// "Illegal classpath container path: \'" + containerPath.makeRelative().toString() + "\', must have at least one segment (containerID+hints)"); //$NON-NLS-1$//$NON-NLS-2$
+// }
+// return new ClasspathEntry(
+// IPackageFragmentRoot.K_SOURCE,
+// IClasspathEntry.CPE_CONTAINER,
+// containerPath,
+// ClasspathEntry.NO_EXCLUSION_PATTERNS,
+// null, // source attachment
+// null, // source attachment root
+// null, // specific output folder
+// isExported);
+// }
+
+ /**
+ * Creates and returns a new non-exported classpath entry of kind <code>CPE_LIBRARY</code> for the
+ * JAR or folder identified by the given absolute path. This specifies that all package fragments
+ * within the root will have children of type <code>IClassFile</code>.
+ * <p>
+ * A library entry is used to denote a prerequisite JAR or root folder containing binaries.
+ * The target JAR or folder can either be defined internally to the workspace (absolute path relative
+ * to the workspace root) or externally to the workspace (absolute path in the file system).
+ * <p>
+ * e.g. Here are some examples of binary path usage<ul>
+ * <li><code> "c:/jdk1.2.2/jre/lib/rt.jar" </code> - reference to an external JAR</li>
+ * <li><code> "/Project/someLib.jar" </code> - reference to an internal JAR </li>
+ * <li><code> "c:/classes/" </code> - reference to an external binary folder</li>
+ * </ul>
+ * Note that this operation does not attempt to validate or access the
+ * resources at the given paths.
+ * <p>
+ * The resulting entry is not exported to dependent projects. This method is equivalent to
+ * <code>newLibraryEntry(-,-,-,false)</code>.
+ * <p>
+ *
+ * @param path the absolute path of the binary archive
+ * @param sourceAttachmentPath the absolute path of the corresponding source archive or folder,
+ * or <code>null</code> if none
+ * @param sourceAttachmentRootPath the location of the root within the source archive or folder
+ * or <code>null</code> if this location should be automatically detected.
+ * @return a new library classpath entry
+ *
+ * @see #newLibraryEntry(IPath, IPath, IPath, boolean)
+ */
+// public static IClasspathEntry newLibraryEntry(
+// IPath path,
+// IPath sourceAttachmentPath,
+// IPath sourceAttachmentRootPath) {
+//
+// return newLibraryEntry(path, sourceAttachmentPath, sourceAttachmentRootPath, false);
+// }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_LIBRARY</code> for the JAR or folder
+ * identified by the given absolute path. This specifies that all package fragments within the root
+ * will have children of type <code>IClassFile</code>.
+ * <p>
+ * A library entry is used to denote a prerequisite JAR or root folder containing binaries.
+ * The target JAR or folder can either be defined internally to the workspace (absolute path relative
+ * to the workspace root) or externally to the workspace (absolute path in the file system).
+ * <p>
+ * e.g. Here are some examples of binary path usage<ul>
+ * <li><code> "c:/jdk1.2.2/jre/lib/rt.jar" </code> - reference to an external JAR</li>
+ * <li><code> "/Project/someLib.jar" </code> - reference to an internal JAR </li>
+ * <li><code> "c:/classes/" </code> - reference to an external binary folder</li>
+ * </ul>
+ * Note that this operation does not attempt to validate or access the
+ * resources at the given paths.
+ * <p>
+ *
+ * @param path the absolute path of the binary archive
+ * @param sourceAttachmentPath the absolute path of the corresponding source archive or folder,
+ * or <code>null</code> if none
+ * @param sourceAttachmentRootPath the location of the root within the source archive or folder
+ * or <code>null</code> if this location should be automatically detected.
+ * @param isExported indicates whether this entry is contributed to dependent
+ * projects in addition to the output location
+ * @return a new library classpath entry
+ * @since 2.0
+ */
+// public static IClasspathEntry newLibraryEntry(
+// IPath path,
+// IPath sourceAttachmentPath,
+// IPath sourceAttachmentRootPath,
+// boolean isExported) {
+//
+// if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+//
+// return new ClasspathEntry(
+// IPackageFragmentRoot.K_BINARY,
+// IClasspathEntry.CPE_LIBRARY,
+// JavaProject.canonicalizedPath(path),
+// ClasspathEntry.NO_EXCLUSION_PATTERNS,
+// sourceAttachmentPath,
+// sourceAttachmentRootPath,
+// null, // specific output folder
+// isExported);
+// }
+
+ /**
+ * Creates and returns a new non-exported classpath entry of kind <code>CPE_PROJECT</code>
+ * for the project identified by the given absolute path.
+ * <p>
+ * A project entry is used to denote a prerequisite project on a classpath.
+ * The referenced project will be contributed as a whole, either as sources (in the Java Model, it
+ * contributes all its package fragment roots) or as binaries (when building, it contributes its
+ * whole output location).
+ * <p>
+ * A project reference allows to indirect through another project, independently from its internal layout.
+ * <p>
+ * The prerequisite project is referred to using an absolute path relative to the workspace root.
+ * <p>
+ * The resulting entry is not exported to dependent projects. This method is equivalent to
+ * <code>newProjectEntry(_,false)</code>.
+ * <p>
+ *
+ * @param path the absolute path of the binary archive
+ * @return a new project classpath entry
+ *
+ * @see JavaCore#newProjectEntry(IPath, boolean)
+ */
+// public static IClasspathEntry newProjectEntry(IPath path) {
+// return newProjectEntry(path, false);
+// }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_PROJECT</code>
+ * for the project identified by the given absolute path.
+ * <p>
+ * A project entry is used to denote a prerequisite project on a classpath.
+ * The referenced project will be contributed as a whole, either as sources (in the Java Model, it
+ * contributes all its package fragment roots) or as binaries (when building, it contributes its
+ * whole output location).
+ * <p>
+ * A project reference allows to indirect through another project, independently from its internal layout.
+ * <p>
+ * The prerequisite project is referred to using an absolute path relative to the workspace root.
+ * <p>
+ *
+ * @param path the absolute path of the prerequisite project
+ * @param isExported indicates whether this entry is contributed to dependent
+ * projects in addition to the output location
+ * @return a new project classpath entry
+ * @since 2.0
+ */
+// public static IClasspathEntry newProjectEntry(IPath path, boolean isExported) {
+//
+// if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+//
+// return new ClasspathEntry(
+// IPackageFragmentRoot.K_SOURCE,
+// IClasspathEntry.CPE_PROJECT,
+// path,
+// ClasspathEntry.NO_EXCLUSION_PATTERNS,
+// null, // source attachment
+// null, // source attachment root
+// null, // specific output folder
+// isExported);
+// }
+
+ /**
+ * Returns a new empty region.
+ *
+ * @return a new empty region
+ */
+ public static IRegion newRegion() {
+ return new Region();
+ }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+ * for the project's source folder identified by the given absolute
+ * workspace-relative path. This specifies that all package fragments
+ * within the root will have children of type <code>ICompilationUnit</code>.
+ * <p>
+ * The source folder is referred to using an absolute path relative to the
+ * workspace root, e.g. <code>/Project/src</code>. A project's source
+ * folders are located with that project. That is, a source classpath
+ * entry specifying the path <code>/P1/src</code> is only usable for
+ * project <code>P1</code>.
+ * </p>
+ * <p>
+ * The source classpath entry created by this method includes all source
+ * files below the given workspace-relative path. To selectively exclude
+ * some of these source files, use the factory method
+ * <code>JavaCore.newSourceEntry(IPath,IPath[])</code> instead.
+ * </p>
+ * <p>
+ * Note that all sources/binaries inside a project are contributed as a whole through
+ * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+ * source entries cannot be selectively exported.
+ * </p>
+ *
+ * @param path the absolute workspace-relative path of a source folder
+ * @return a new source classpath entry with not exclusion patterns
+ *
+ * @see #newSourceEntry(org.eclipse.core.runtime.IPath,org.eclipse.core.runtime.IPath[])
+ */
+// public static IClasspathEntry newSourceEntry(IPath path) {
+//
+// return newSourceEntry(path, ClasspathEntry.NO_EXCLUSION_PATTERNS, null /*output location*/);
+// }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+ * for the project's source folder identified by the given absolute
+ * workspace-relative path but excluding all source files with paths
+ * matching any of the given patterns. This specifies that all package
+ * fragments within the root will have children of type
+ * <code>ICompilationUnit</code>.
+ * <p>
+ * The source folder is referred to using an absolute path relative to the
+ * workspace root, e.g. <code>/Project/src</code>. A project's source
+ * folders are located with that project. That is, a source classpath
+ * entry specifying the path <code>/P1/src</code> is only usable for
+ * project <code>P1</code>.
+ * </p>
+ * <p>
+ * The source classpath entry created by this method includes all source
+ * files below the given workspace-relative path except for those matched
+ * by one (or more) of the given exclusion patterns. Each exclusion pattern
+ * is represented by a relative path, which is interpreted as relative to
+ * the source folder. For example, if the source folder path is
+ * <code>/Project/src</code> and the exclusion pattern is
+ * <code>com/xyz/tests/**</code>, then source files
+ * like <code>/Project/src/com/xyz/Foo.java</code>
+ * and <code>/Project/src/com/xyz/utils/Bar.java</code> would be included,
+ * whereas <code>/Project/src/com/xyz/tests/T1.java</code>
+ * and <code>/Project/src/com/xyz/tests/quick/T2.java</code> would be
+ * excluded. Exclusion patterns can contain can contain '**', '*' or '?'
+ * wildcards; see <code>IClasspathEntry.getExclusionPatterns</code>
+ * for the full description of the syntax and semantics of exclusion
+ * patterns.
+ * </p>
+ * If the empty list of exclusion patterns is specified, the source folder
+ * will automatically include all resources located inside the source
+ * folder. In that case, the result is entirely equivalent to using the
+ * factory method <code>JavaCore.newSourceEntry(IPath)</code>.
+ * </p>
+ * <p>
+ * Note that all sources/binaries inside a project are contributed as a whole through
+ * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+ * source entries cannot be selectively exported.
+ * </p>
+ *
+ * @param path the absolute workspace-relative path of a source folder
+ * @param exclusionPatterns the possibly empty list of exclusion patterns
+ * represented as relative paths
+ * @return a new source classpath entry with the given exclusion patterns
+ * @see #newSourceEntry(org.eclipse.core.runtime.IPath)
+ * @see IClasspathEntry#getExclusionPatterns
+ *
+ * @since 2.1
+ */
+// public static IClasspathEntry newSourceEntry(IPath path, IPath[] exclusionPatterns) {
+//
+// return newSourceEntry(path, exclusionPatterns, null /*output location*/);
+// }
+
+ /**
+ * Creates and returns a new classpath entry of kind <code>CPE_SOURCE</code>
+ * for the project's source folder identified by the given absolute
+ * workspace-relative path but excluding all source files with paths
+ * matching any of the given patterns, and associated with a specific output location
+ * (that is, ".class" files are not going to the project default output location).
+ * All package fragments within the root will have children of type
+ * <code>ICompilationUnit</code>.
+ * <p>
+ * The source folder is referred to using an absolute path relative to the
+ * workspace root, e.g. <code>/Project/src</code>. A project's source
+ * folders are located with that project. That is, a source classpath
+ * entry specifying the path <code>/P1/src</code> is only usable for
+ * project <code>P1</code>.
+ * </p>
+ * <p>
+ * The source classpath entry created by this method includes all source
+ * files below the given workspace-relative path except for those matched
+ * by one (or more) of the given exclusion patterns. Each exclusion pattern
+ * is represented by a relative path, which is interpreted as relative to
+ * the source folder. For example, if the source folder path is
+ * <code>/Project/src</code> and the exclusion pattern is
+ * <code>com/xyz/tests/**</code>, then source files
+ * like <code>/Project/src/com/xyz/Foo.java</code>
+ * and <code>/Project/src/com/xyz/utils/Bar.java</code> would be included,
+ * whereas <code>/Project/src/com/xyz/tests/T1.java</code>
+ * and <code>/Project/src/com/xyz/tests/quick/T2.java</code> would be
+ * excluded. Exclusion patterns can contain can contain '**', '*' or '?'
+ * wildcards; see <code>IClasspathEntry.getExclusionPatterns</code>
+ * for the full description of the syntax and semantics of exclusion
+ * patterns.
+ * </p>
+ * If the empty list of exclusion patterns is specified, the source folder
+ * will automatically include all resources located inside the source
+ * folder. In that case, the result is entirely equivalent to using the
+ * factory method <code>JavaCore.newSourceEntry(IPath)</code>.
+ * </p>
+ * <p>
+ * Additionally, a source entry can be associated with a specific output location.
+ * By doing so, the Java builder will ensure that the generated ".class" files will
+ * be issued inside this output location, as opposed to be generated into the
+ * project default output location (when output location is <code>null</code>).
+ * Note that multiple source entries may target the same output location.
+ * The output location is referred to using an absolute path relative to the
+ * workspace root, e.g. <code>"/Project/bin"</code>, it must be located inside
+ * the same project as the source folder.
+ * </p>
+ * <p>
+ * Also note that all sources/binaries inside a project are contributed as a whole through
+ * a project entry (see <code>JavaCore.newProjectEntry</code>). Particular
+ * source entries cannot be selectively exported.
+ * </p>
+ *
+ * @param path the absolute workspace-relative path of a source folder
+ * @param exclusionPatterns the possibly empty list of exclusion patterns
+ * represented as relative paths
+ * @param outputLocation the specific output location for this source entry (<code>null</code> if using project default ouput location)
+ * @return a new source classpath entry with the given exclusion patterns
+ * @see #newSourceEntry(org.eclipse.core.runtime.IPath)
+ * @see IClasspathEntry#getExclusionPatterns
+ * @see IClasspathEntry#getOutputLocation()
+ *
+ * @since 2.1
+ */
+// public static IClasspathEntry newSourceEntry(IPath path, IPath[] exclusionPatterns, IPath specificOutputLocation) {
+//
+// if (!path.isAbsolute()) Assert.isTrue(false, "Path for IClasspathEntry must be absolute"); //$NON-NLS-1$
+// if (exclusionPatterns == null) Assert.isTrue(false, "Exclusion pattern set cannot be null"); //$NON-NLS-1$
+//
+// return new ClasspathEntry(
+// IPackageFragmentRoot.K_SOURCE,
+// IClasspathEntry.CPE_SOURCE,
+// path,
+// exclusionPatterns,
+// null, // source attachment
+// null, // source attachment root
+// specificOutputLocation, // custom output location
+// false);
+// }
+
+ /**
+ * Creates and returns a new non-exported classpath entry of kind <code>CPE_VARIABLE</code>
+ * for the given path. The first segment of the path is the name of a classpath variable.
+ * The trailing segments of the path will be appended to resolved variable path.
+ * <p>
+ * A variable entry allows to express indirect references on a classpath to other projects or libraries,
+ * depending on what the classpath variable is referring.
+ * <p>
+ * It is possible to register an automatic initializer (<code>ClasspathVariableInitializer</code>),
+ * which will be invoked through the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+ * After resolution, a classpath variable entry may either correspond to a project or a library entry. </li>
+ * <p>
+ * e.g. Here are some examples of variable path usage<ul>
+ * <li> "JDTCORE" where variable <code>JDTCORE</code> is
+ * bound to "c:/jars/jdtcore.jar". The resolved classpath entry is denoting the library "c:\jars\jdtcore.jar"</li>
+ * <li> "JDTCORE" where variable <code>JDTCORE</code> is
+ * bound to "/Project_JDTCORE". The resolved classpath entry is denoting the project "/Project_JDTCORE"</li>
+ * <li> "PLUGINS/com.example/example.jar" where variable <code>PLUGINS</code>
+ * is bound to "c:/eclipse/plugins". The resolved classpath entry is denoting the library "c:/eclipse/plugins/com.example/example.jar"</li>
+ * </ul>
+ * Note that this operation does not attempt to validate classpath variables
+ * or access the resources at the given paths.
+ * <p>
+ * The resulting entry is not exported to dependent projects. This method is equivalent to
+ * <code>newVariableEntry(-,-,-,false)</code>.
+ * <p>
+ *
+ * @param variablePath the path of the binary archive; first segment is the
+ * name of a classpath variable
+ * @param variableSourceAttachmentPath the path of the corresponding source archive,
+ * or <code>null</code> if none; if present, the first segment is the
+ * name of a classpath variable (not necessarily the same variable
+ * as the one that begins <code>variablePath</code>)
+ * @param sourceAttachmentRootPath the location of the root within the source archive
+ * or <code>null</code> if <code>archivePath</code> is also <code>null</code>
+ * @return a new library classpath entry
+ *
+ * @see JavaCore#newVariableEntry(IPath, IPath, IPath, boolean)
+ */
+// public static IClasspathEntry newVariableEntry(
+// IPath variablePath,
+// IPath variableSourceAttachmentPath,
+// IPath sourceAttachmentRootPath) {
+//
+// return newVariableEntry(variablePath, variableSourceAttachmentPath, sourceAttachmentRootPath, false);
+// }
+
+ /**
+ * Creates and returns a new non-exported classpath entry of kind <code>CPE_VARIABLE</code>
+ * for the given path. The first segment of the path is the name of a classpath variable.
+ * The trailing segments of the path will be appended to resolved variable path.
+ * <p>
+ * A variable entry allows to express indirect references on a classpath to other projects or libraries,
+ * depending on what the classpath variable is referring.
+ * <p>
+ * It is possible to register an automatic initializer (<code>ClasspathVariableInitializer</code>),
+ * which will be invoked through the extension point "org.eclipse.jdt.core.classpathVariableInitializer".
+ * After resolution, a classpath variable entry may either correspond to a project or a library entry. </li>
+ * <p>
+ * e.g. Here are some examples of variable path usage<ul>
+ * <li> "JDTCORE" where variable <code>JDTCORE</code> is
+ * bound to "c:/jars/jdtcore.jar". The resolved classpath entry is denoting the library "c:\jars\jdtcore.jar"</li>
+ * <li> "JDTCORE" where variable <code>JDTCORE</code> is
+ * bound to "/Project_JDTCORE". The resolved classpath entry is denoting the project "/Project_JDTCORE"</li>
+ * <li> "PLUGINS/com.example/example.jar" where variable <code>PLUGINS</code>
+ * is bound to "c:/eclipse/plugins". The resolved classpath entry is denoting the library "c:/eclipse/plugins/com.example/example.jar"</li>
+ * </ul>
+ * Note that this operation does not attempt to validate classpath variables
+ * or access the resources at the given paths.
+ * <p>
+ *
+ * @param variablePath the path of the binary archive; first segment is the
+ * name of a classpath variable
+ * @param variableSourceAttachmentPath the path of the corresponding source archive,
+ * or <code>null</code> if none; if present, the first segment is the
+ * name of a classpath variable (not necessarily the same variable
+ * as the one that begins <code>variablePath</code>)
+ * @param sourceAttachmentRootPath the location of the root within the source archive
+ * or <code>null</code> if <code>archivePath</code> is also <code>null</code>
+ * @param isExported indicates whether this entry is contributed to dependent
+ * projects in addition to the output location
+ * @return a new variable classpath entry
+ * @since 2.0
+ */
+// public static IClasspathEntry newVariableEntry(
+// IPath variablePath,
+// IPath variableSourceAttachmentPath,
+// IPath variableSourceAttachmentRootPath,
+// boolean isExported) {
+//
+// if (variablePath == null || variablePath.segmentCount() < 1) {
+// Assert.isTrue(
+// false,
+// "Illegal classpath variable path: \'" + variablePath.makeRelative().toString() + "\', must have at least one segment"); //$NON-NLS-1$//$NON-NLS-2$
+// }
+//
+// return new ClasspathEntry(
+// IPackageFragmentRoot.K_SOURCE,
+// IClasspathEntry.CPE_VARIABLE,
+// variablePath,
+// ClasspathEntry.NO_EXCLUSION_PATTERNS,
+// variableSourceAttachmentPath, // source attachment
+// variableSourceAttachmentRootPath, // source attachment root
+// null, // specific output folder
+// isExported);
+// }
+
+ /**
+ * Removed the given classpath variable. Does nothing if no value was
+ * set for this classpath variable.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ *
+ * @param variableName the name of the classpath variable
+ * @see #setClasspathVariable
+ *
+ * @deprecated - use version with extra IProgressMonitor
+ */
+// public static void removeClasspathVariable(String variableName) {
+// removeClasspathVariable(variableName, null);
+// }
+
+ /**
+ * Removed the given classpath variable. Does nothing if no value was
+ * set for this classpath variable.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ *
+ * @param variableName the name of the classpath variable
+ * @param monitor the progress monitor to report progress
+ * @see #setClasspathVariable
+ */
+// public static void removeClasspathVariable(
+// String variableName,
+// IProgressMonitor monitor) {
+//
+// try {
+// updateVariableValues(new String[]{ variableName}, new IPath[]{ null }, monitor);
+// } catch (JavaModelException e) {
+// }
+// }
+
+ /**
+ * Removes the given element changed listener.
+ * Has no affect if an identical listener is not registered.
+ *
+ * @param listener the listener
+ */
+ public static void removeElementChangedListener(IElementChangedListener listener) {
+ JavaModelManager.getJavaModelManager().removeElementChangedListener(listener);
+ }
+ /**
+ * Runs the given action as an atomic Java model operation.
+ * <p>
+ * After running a method that modifies Java elements,
+ * registered listeners receive after-the-fact notification of
+ * what just transpired, in the form of a element changed event.
+ * This method allows clients to call a number of
+ * methods that modify java elements and only have element
+ * changed event notifications reported at the end of the entire
+ * batch.
+ * </p>
+ * <p>
+ * If this method is called outside the dynamic scope of another such
+ * call, this method runs the action and then reports a single
+ * element changed event describing the net effect of all changes
+ * done to java elements by the action.
+ * </p>
+ * <p>
+ * If this method is called in the dynamic scope of another such
+ * call, this method simply runs the action.
+ * </p>
+ *
+ * @param action the action to perform
+ * @param monitor a progress monitor, or <code>null</code> if progress
+ * reporting and cancellation are not desired
+ * @exception CoreException if the operation failed.
+ * @since 2.1
+ */
+ public static void run(IWorkspaceRunnable action, IProgressMonitor monitor) throws CoreException {
+ IWorkspace workspace = ResourcesPlugin.getWorkspace();
+ if (workspace.isTreeLocked()) {
+ new BatchOperation(action).run(monitor);
+ } else {
+ // use IWorkspace.run(...) to ensure that a build will be done in autobuild mode
+ workspace.run(new BatchOperation(action), monitor);
+ }
+ }
+ /**
+ * Bind a container reference path to some actual containers (<code>IClasspathContainer</code>).
+ * This API must be invoked whenever changes in container need to be reflected onto the JavaModel.
+ * Containers can have distinct values in different projects, therefore this API considers a
+ * set of projects with their respective containers.
+ * <p>
+ * <code>containerPath</code> is the path under which these values can be referenced through
+ * container classpath entries (<code>IClasspathEntry#CPE_CONTAINER</code>). A container path
+ * is formed by a first ID segment followed with extra segments, which can be used as additional hints
+ * for the resolution. The container ID is used to identify a <code>ClasspathContainerInitializer</code>
+ * registered on the extension point "org.eclipse.jdt.core.classpathContainerInitializer".
+ * <p>
+ * There is no assumption that each individual container value passed in argument
+ * (<code>respectiveContainers</code>) must answer the exact same path when requested
+ * <code>IClasspathContainer#getPath</code>.
+ * Indeed, the containerPath is just an indication for resolving it to an actual container object. It can be
+ * delegated to a <code>ClasspathContainerInitializer</code>, which can be activated through the extension
+ * point "org.eclipse.jdt.core.ClasspathContainerInitializer").
+ * <p>
+ * In reaction to changing container values, the JavaModel will be updated to reflect the new
+ * state of the updated container.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath container values are persisted locally to the workspace, but
+ * are not preserved from a session to another. It is thus highly recommended to register a
+ * <code>ClasspathContainerInitializer</code> for each referenced container
+ * (through the extension point "org.eclipse.jdt.core.ClasspathContainerInitializer").
+ * <p>
+ * Note: setting a container to <code>null</code> will cause it to be lazily resolved again whenever
+ * its value is required. In particular, this will cause a registered initializer to be invoked
+ * again.
+ * <p>
+ * @param containerPath - the name of the container reference, which is being updated
+ * @param affectedProjects - the set of projects for which this container is being bound
+ * @param respectiveContainers - the set of respective containers for the affected projects
+ * @param monitor a monitor to report progress
+ *
+ * @see ClasspathContainerInitializer
+ * @see #getClasspathContainer(IPath, IJavaProject)
+ * @see IClasspathContainer
+ * @since 2.0
+ */
+// public static void setClasspathContainer(final IPath containerPath, IJavaProject[] affectedProjects, IClasspathContainer[] respectiveContainers, IProgressMonitor monitor) throws JavaModelException {
+//
+// if (affectedProjects.length != respectiveContainers.length) Assert.isTrue(false, "Projects and containers collections should have the same size"); //$NON-NLS-1$
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer SET - setting container: ["+containerPath+"] for projects: {" //$NON-NLS-1$ //$NON-NLS-2$
+// + (Util.toString(affectedProjects,
+// new Util.Displayable(){
+// public String displayString(Object o) { return ((IJavaProject) o).getElementName(); }
+// }))
+// + "} with values: " //$NON-NLS-1$
+// + (Util.toString(respectiveContainers,
+// new Util.Displayable(){
+// public String displayString(Object o) { return ((IClasspathContainer) o).getDescription(); }
+// }))
+// );
+// }
+//
+// final int projectLength = affectedProjects.length;
+// final IJavaProject[] modifiedProjects;
+// System.arraycopy(affectedProjects, 0, modifiedProjects = new IJavaProject[projectLength], 0, projectLength);
+// final IClasspathEntry[][] oldResolvedPaths = new IClasspathEntry[projectLength][];
+//
+// // filter out unmodified project containers
+// int remaining = 0;
+// for (int i = 0; i < projectLength; i++){
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// IJavaProject affectedProject = affectedProjects[i];
+// IClasspathContainer newContainer = respectiveContainers[i];
+// if (newContainer == null) newContainer = JavaModelManager.ContainerInitializationInProgress; // 30920 - prevent infinite loop
+// boolean found = false;
+// if (JavaProject.hasJavaNature(affectedProject.getProject())){
+// IClasspathEntry[] rawClasspath = affectedProject.getRawClasspath();
+// for (int j = 0, cpLength = rawClasspath.length; j <cpLength; j++) {
+// IClasspathEntry entry = rawClasspath[j];
+// if (entry.getEntryKind() == IClasspathEntry.CPE_CONTAINER && entry.getPath().equals(containerPath)){
+// found = true;
+// break;
+// }
+// }
+// }
+// if (!found){
+// modifiedProjects[i] = null; // filter out this project - does not reference the container path, or isnt't yet Java project
+// JavaModelManager.containerPut(affectedProject, containerPath, newContainer);
+// continue;
+// }
+// IClasspathContainer oldContainer = JavaModelManager.containerGet(affectedProject, containerPath);
+// if (oldContainer == JavaModelManager.ContainerInitializationInProgress) {
+// Map previousContainerValues = (Map)JavaModelManager.PreviousSessionContainers.get(affectedProject);
+// if (previousContainerValues != null){
+// IClasspathContainer previousContainer = (IClasspathContainer)previousContainerValues.get(containerPath);
+// if (previousContainer != null) {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer INIT - reentering access to project container: ["+affectedProject.getElementName()+"] " + containerPath + " during its initialization, will see previous value: "+ previousContainer.getDescription()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
+// }
+// JavaModelManager.containerPut(affectedProject, containerPath, previousContainer);
+// }
+// oldContainer = null; //33695 - cannot filter out restored container, must update affected project to reset cached CP
+// } else {
+// oldContainer = null;
+// }
+// }
+// if (oldContainer != null && oldContainer.equals(respectiveContainers[i])){// TODO: could improve to only compare entries
+// modifiedProjects[i] = null; // filter out this project - container did not change
+// continue;
+// }
+// remaining++;
+// oldResolvedPaths[i] = affectedProject.getResolvedClasspath(true);
+// JavaModelManager.containerPut(affectedProject, containerPath, newContainer);
+// }
+//
+// if (remaining == 0) return;
+//
+// // trigger model refresh
+// try {
+// JavaCore.run(new IWorkspaceRunnable() {
+// public void run(IProgressMonitor monitor) throws CoreException {
+// for(int i = 0; i < projectLength; i++){
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// JavaProject affectedProject = (JavaProject)modifiedProjects[i];
+// if (affectedProject == null) continue; // was filtered out
+//
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer SET - updating affected project: ["+affectedProject.getElementName()+"] due to setting container: " + containerPath); //$NON-NLS-1$ //$NON-NLS-2$
+// }
+//
+// // force a refresh of the affected project (will compute deltas)
+// affectedProject.setRawClasspath(
+// affectedProject.getRawClasspath(),
+// SetClasspathOperation.ReuseOutputLocation,
+// monitor,
+// !ResourcesPlugin.getWorkspace().isTreeLocked(), // can save resources
+// oldResolvedPaths[i],
+// false, // updating - no validation
+// false); // updating - no need to save
+// }
+// }
+// },
+// monitor);
+// } catch(CoreException e) {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPContainer SET - FAILED DUE TO EXCEPTION: "+containerPath); //$NON-NLS-1$
+// e.printStackTrace();
+// }
+// if (e instanceof JavaModelException) {
+// throw (JavaModelException)e;
+// } else {
+// throw new JavaModelException(e);
+// }
+// } finally {
+// for (int i = 0; i < projectLength; i++) {
+// if (respectiveContainers[i] == null) {
+// JavaModelManager.containerPut(affectedProjects[i], containerPath, null); // reset init in progress marker
+// }
+// }
+// }
+//
+// }
+
+ /**
+ * Sets the value of the given classpath variable.
+ * The path must have at least one segment.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ *
+ * @param variableName the name of the classpath variable
+ * @param path the path
+ * @see #getClasspathVariable
+ *
+ * @deprecated - use API with IProgressMonitor
+ */
+// public static void setClasspathVariable(String variableName, IPath path)
+// throws JavaModelException {
+//
+// setClasspathVariable(variableName, path, null);
+// }
+
+ /**
+ * Sets the value of the given classpath variable.
+ * The path must not be null.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ * Updating a variable with the same value has no effect.
+ *
+ * @param variableName the name of the classpath variable
+ * @param path the path
+ * @param monitor a monitor to report progress
+ * @see #getClasspathVariable
+ */
+// public static void setClasspathVariable(
+// String variableName,
+// IPath path,
+// IProgressMonitor monitor)
+// throws JavaModelException {
+//
+// if (path == null) Assert.isTrue(false, "Variable path cannot be null"); //$NON-NLS-1$
+// setClasspathVariables(new String[]{variableName}, new IPath[]{ path }, monitor);
+// }
+
+ /**
+ * Sets the values of all the given classpath variables at once.
+ * Null paths can be used to request corresponding variable removal.
+ * <p>
+ * This functionality cannot be used while the resource tree is locked.
+ * <p>
+ * Classpath variable values are persisted locally to the workspace, and
+ * are preserved from session to session.
+ * <p>
+ * Updating a variable with the same value has no effect.
+ *
+ * @param variableNames an array of names for the updated classpath variables
+ * @param paths an array of path updates for the modified classpath variables (null
+ * meaning that the corresponding value will be removed
+ * @param monitor a monitor to report progress
+ * @see #getClasspathVariable
+ * @since 2.0
+ */
+// public static void setClasspathVariables(
+// String[] variableNames,
+// IPath[] paths,
+// IProgressMonitor monitor)
+// throws JavaModelException {
+//
+// if (variableNames.length != paths.length) Assert.isTrue(false, "Variable names and paths collections should have the same size"); //$NON-NLS-1$
+// //TODO: should check that null cannot be used as variable paths
+// updateVariableValues(variableNames, paths, monitor);
+// }
+
+ /* (non-Javadoc)
+ * Method declared on IExecutableExtension.
+ * Record any necessary initialization data from the plugin.
+ */
+ public void setInitializationData(
+ IConfigurationElement cfig,
+ String propertyName,
+ Object data)
+ throws CoreException {
+ }
+
+ /**
+ * Sets the current table of options. All and only the options explicitly included in the given table
+ * are remembered; all previous option settings are forgotten, including ones not explicitly
+ * mentioned.
+ * <p>
+ * For a complete description of the configurable options, see <code>getDefaultOptions</code>.
+ * </p>
+ *
+ * @param newOptions the new options (key type: <code>String</code>; value type: <code>String</code>),
+ * or <code>null</code> to reset all options to their default values
+ * @see JavaCore#getDefaultOptions
+ */
+ public static void setOptions(Hashtable newOptions) {
+
+ // see #initializeDefaultPluginPreferences() for changing default settings
+ Preferences preferences = getPlugin().getPluginPreferences();
+
+ if (newOptions == null){
+ newOptions = JavaCore.getDefaultOptions();
+ }
+ Enumeration keys = newOptions.keys();
+ while (keys.hasMoreElements()){
+ String key = (String)keys.nextElement();
+ if (!JavaModelManager.OptionNames.contains(key)) continue; // unrecognized option
+ if (key.equals(CORE_ENCODING)) continue; // skipped, contributed by resource prefs
+ String value = (String)newOptions.get(key);
+ preferences.setValue(key, value);
+ }
+
+ // persist options
+ getPlugin().savePluginPreferences();
+ }
+
+ /**
+ * Shutdown the JavaCore plug-in.
+ * <p>
+ * De-registers the JavaModelManager as a resource changed listener and save participant.
+ * <p>
+ * @see org.eclipse.core.runtime.Plugin#shutdown()
+ */
+ public void shutdown() {
+
+ savePluginPreferences();
+ IWorkspace workspace = ResourcesPlugin.getWorkspace();
+ workspace.removeResourceChangeListener(JavaModelManager.getJavaModelManager().deltaProcessor);
+ workspace.removeSaveParticipant(this);
+
+ ((JavaModelManager) JavaModelManager.getJavaModelManager()).shutdown();
+ }
+
+ /**
+ * Initiate the background indexing process.
+ * This should be deferred after the plugin activation.
+ */
+// private void startIndexing() {
+//
+// JavaModelManager.getJavaModelManager().getIndexManager().reset();
+// }
+
+ /**
+ * Startup of the JavaCore plug-in.
+ * <p>
+ * Registers the JavaModelManager as a resource changed listener and save participant.
+ * Starts the background indexing, and restore saved classpath variable values.
+ * <p>
+ * @see org.eclipse.core.runtime.Plugin#startup()
+ */
+ public void startup() {
+
+ JavaModelManager manager = JavaModelManager.getJavaModelManager();
+ try {
+ manager.configurePluginDebugOptions();
+
+ // request state folder creation (workaround 19885)
+ JavaCore.getPlugin().getStateLocation();
+
+ // retrieve variable values
+ JavaCore.getPlugin().getPluginPreferences().addPropertyChangeListener(new JavaModelManager.PluginPreferencesListener());
+// TODO khartlage temp-del
+// manager.loadVariablesAndContainers();
+
+ IWorkspace workspace = ResourcesPlugin.getWorkspace();
+ workspace.addResourceChangeListener(
+ manager.deltaProcessor,
+ IResourceChangeEvent.PRE_AUTO_BUILD
+ | IResourceChangeEvent.POST_AUTO_BUILD
+ | IResourceChangeEvent.POST_CHANGE
+ | IResourceChangeEvent.PRE_DELETE
+ | IResourceChangeEvent.PRE_CLOSE);
+
+// startIndexing();
+ workspace.addSaveParticipant(this, manager);
+
+ } catch (CoreException e) {
+ } catch (RuntimeException e) {
+ manager.shutdown();
+ throw e;
+ }
+ }
+
+
+ /**
+ * Internal updating of a variable values (null path meaning removal), allowing to change multiple variable values at once.
+ */
+// private static void updateVariableValues(
+// String[] variableNames,
+// IPath[] variablePaths,
+// IProgressMonitor monitor) throws JavaModelException {
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable SET - setting variables: {" + Util.toString(variableNames) //$NON-NLS-1$
+// + "} with values: " + Util.toString(variablePaths)); //$NON-NLS-1$
+// }
+//
+// int varLength = variableNames.length;
+//
+// // gather classpath information for updating
+// final HashMap affectedProjects = new HashMap(5);
+// JavaModelManager manager = JavaModelManager.getJavaModelManager();
+// IJavaModel model = manager.getJavaModel();
+//
+// // filter out unmodified variables
+// int discardCount = 0;
+// for (int i = 0; i < varLength; i++){
+// String variableName = variableNames[i];
+// IPath oldPath = (IPath)JavaModelManager.variableGet(variableName); // if reentering will provide previous session value
+// if (oldPath == JavaModelManager.VariableInitializationInProgress){
+// IPath previousPath = (IPath)JavaModelManager.PreviousSessionVariables.get(variableName);
+// if (previousPath != null){
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable INIT - reentering access to variable: " + variableName+ " during its initialization, will see previous value: "+ previousPath); //$NON-NLS-1$ //$NON-NLS-2$
+// }
+// JavaModelManager.variablePut(variableName, previousPath); // replace value so reentering calls are seeing old value
+// }
+// oldPath = null; //33695 - cannot filter out restored variable, must update affected project to reset cached CP
+// }
+// if (oldPath != null && oldPath.equals(variablePaths[i])){
+// variableNames[i] = null;
+// discardCount++;
+// }
+// }
+// if (discardCount > 0){
+// if (discardCount == varLength) return;
+// int changedLength = varLength - discardCount;
+// String[] changedVariableNames = new String[changedLength];
+// IPath[] changedVariablePaths = new IPath[changedLength];
+// for (int i = 0, index = 0; i < varLength; i++){
+// if (variableNames[i] != null){
+// changedVariableNames[index] = variableNames[i];
+// changedVariablePaths[index] = variablePaths[i];
+// index++;
+// }
+// }
+// variableNames = changedVariableNames;
+// variablePaths = changedVariablePaths;
+// varLength = changedLength;
+// }
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// if (model != null) {
+// IJavaProject[] projects = model.getJavaProjects();
+// nextProject : for (int i = 0, projectLength = projects.length; i < projectLength; i++){
+// IJavaProject project = projects[i];
+//
+// // check to see if any of the modified variables is present on the classpath
+// IClasspathEntry[] classpath = project.getRawClasspath();
+// for (int j = 0, cpLength = classpath.length; j < cpLength; j++){
+//
+// IClasspathEntry entry = classpath[j];
+// for (int k = 0; k < varLength; k++){
+//
+// String variableName = variableNames[k];
+// if (entry.getEntryKind() == IClasspathEntry.CPE_VARIABLE){
+//
+// if (variableName.equals(entry.getPath().segment(0))){
+// affectedProjects.put(project, project.getResolvedClasspath(true));
+// continue nextProject;
+// }
+// IPath sourcePath, sourceRootPath;
+// if (((sourcePath = entry.getSourceAttachmentPath()) != null && variableName.equals(sourcePath.segment(0)))
+// || ((sourceRootPath = entry.getSourceAttachmentRootPath()) != null && variableName.equals(sourceRootPath.segment(0)))) {
+//
+// affectedProjects.put(project, project.getResolvedClasspath(true));
+// continue nextProject;
+// }
+// }
+// }
+// }
+// }
+// }
+// // update variables
+// for (int i = 0; i < varLength; i++){
+// JavaModelManager.variablePut(variableNames[i], variablePaths[i]);
+// }
+// final String[] dbgVariableNames = variableNames;
+//
+// // update affected project classpaths
+// if (!affectedProjects.isEmpty()) {
+// try {
+// JavaCore.run(
+// new IWorkspaceRunnable() {
+// public void run(IProgressMonitor monitor) throws CoreException {
+// // propagate classpath change
+// Iterator projectsToUpdate = affectedProjects.keySet().iterator();
+// while (projectsToUpdate.hasNext()) {
+//
+// if (monitor != null && monitor.isCanceled()) return;
+//
+// JavaProject project = (JavaProject) projectsToUpdate.next();
+//
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable SET - updating affected project: ["+project.getElementName()+"] due to setting variables: "+ Util.toString(dbgVariableNames)); //$NON-NLS-1$ //$NON-NLS-2$
+// }
+//
+// project
+// .setRawClasspath(
+// project.getRawClasspath(),
+// SetClasspathOperation.ReuseOutputLocation,
+// null, // don't call beginTask on the monitor (see http://bugs.eclipse.org/bugs/show_bug.cgi?id=3717)
+// !ResourcesPlugin.getWorkspace().isTreeLocked(), // can change resources
+// (IClasspathEntry[]) affectedProjects.get(project),
+// false, // updating - no validation
+// false); // updating - no need to save
+// }
+// }
+// },
+// monitor);
+// } catch (CoreException e) {
+// if (JavaModelManager.CP_RESOLVE_VERBOSE){
+// System.out.println("CPVariable SET - FAILED DUE TO EXCEPTION: "+Util.toString(dbgVariableNames)); //$NON-NLS-1$
+// e.printStackTrace();
+// }
+// if (e instanceof JavaModelException) {
+// throw (JavaModelException)e;
+// } else {
+// throw new JavaModelException(e);
+// }
+// }
+// }
+// }
+}
\ No newline at end of file
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