/******************************************************************************* * 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 *******************************************************************************/ package net.sourceforge.phpdt.internal.core; import java.io.BufferedInputStream; import java.io.BufferedOutputStream; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.io.OutputStreamWriter; import java.io.StringReader; import java.util.ArrayList; import java.util.HashMap; import java.util.HashSet; import java.util.Hashtable; import java.util.Iterator; import java.util.List; import java.util.Map; import javax.xml.parsers.DocumentBuilder; import javax.xml.parsers.DocumentBuilderFactory; import javax.xml.parsers.ParserConfigurationException; import javax.xml.parsers.SAXParserFactory; import net.sourceforge.phpdt.core.IClasspathEntry; import net.sourceforge.phpdt.core.ICompilationUnit; import net.sourceforge.phpdt.core.IJavaElement; import net.sourceforge.phpdt.core.IJavaModelMarker; import net.sourceforge.phpdt.core.IJavaModelStatus; import net.sourceforge.phpdt.core.IJavaModelStatusConstants; import net.sourceforge.phpdt.core.IJavaProject; import net.sourceforge.phpdt.core.IPackageFragment; import net.sourceforge.phpdt.core.IPackageFragmentRoot; import net.sourceforge.phpdt.core.JavaCore; import net.sourceforge.phpdt.core.JavaModelException; import net.sourceforge.phpdt.core.WorkingCopyOwner; import net.sourceforge.phpdt.internal.codeassist.ISearchableNameEnvironment; import net.sourceforge.phpdt.internal.compiler.util.ObjectVector; import net.sourceforge.phpdt.internal.core.util.Util; import net.sourceforge.phpdt.internal.corext.Assert; import net.sourceforge.phpeclipse.LoadPathEntry; import net.sourceforge.phpeclipse.PHPeclipsePlugin; import org.eclipse.core.resources.ICommand; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IMarker; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IProjectDescription; import org.eclipse.core.resources.IProjectNature; import org.eclipse.core.resources.IResource; import org.eclipse.core.resources.IWorkspace; import org.eclipse.core.resources.IWorkspaceRoot; import org.eclipse.core.resources.ResourcesPlugin; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IProgressMonitor; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Preferences; import org.eclipse.core.runtime.QualifiedName; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import org.xml.sax.Attributes; import org.xml.sax.ContentHandler; import org.xml.sax.InputSource; import org.xml.sax.Locator; import org.xml.sax.SAXException; import org.xml.sax.XMLReader; /** * Handle for a Java Project. * *
A Java Project internally maintains a devpath that corresponds * to the project's classpath. The classpath may include source folders * from the current project; jars in the current project, other projects, * and the local file system; and binary folders (output location) of other * projects. The Java Model presents source elements corresponding to output * .class files in other projects, and thus uses the devpath rather than * the classpath (which is really a compilation path). The devpath mimics * the classpath, except has source folder entries in place of output * locations in external projects. * *
Each JavaProject has a NameLookup facility that locates elements
* on by name, based on the devpath.
*
* @see IJavaProject
*/
public class JavaProject
extends Openable
implements IJavaProject , IProjectNature {
/**
* Whether the underlying file system is case sensitive.
*/
protected static final boolean IS_CASE_SENSITIVE = !new File("Temp").equals(new File("temp")); //$NON-NLS-1$ //$NON-NLS-2$
/**
* An empty array of strings indicating that a project doesn't have any prerequesite projects.
*/
protected static final String[] NO_PREREQUISITES = new String[0];
/**
* The platform project this IJavaProject
is based on
*/
protected IProject project;
protected List fLoadPathEntries;
protected boolean fScratched;
/**
* Name of file containing project classpath
*/
public static final String CLASSPATH_FILENAME = ".classpath"; //$NON-NLS-1$
/**
* Name of file containing custom project preferences
*/
public static final String PREF_FILENAME = ".jprefs"; //$NON-NLS-1$
/**
* Value of the project's raw classpath if the .classpath file contains invalid entries.
*/
public static final IClasspathEntry[] INVALID_CLASSPATH = new IClasspathEntry[0];
private static final String CUSTOM_DEFAULT_OPTION_VALUE = "#\r\n\r#custom-non-empty-default-value#\r\n\r#"; //$NON-NLS-1$
/**
* Returns a canonicalized path from the given external path.
* Note that the return path contains the same number of segments
* and it contains a device only if the given path contained one.
* @see java.io.File for the definition of a canonicalized path
*/
public static IPath canonicalizedPath(IPath externalPath) {
if (externalPath == null)
return null;
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonicalizing " + externalPath.toString()); //$NON-NLS-1$
}
if (IS_CASE_SENSITIVE) {
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is original path (file system is case sensitive)"); //$NON-NLS-1$
}
return externalPath;
}
// if not external path, return original path
IWorkspace workspace = ResourcesPlugin.getWorkspace();
if (workspace == null) return externalPath; // protection during shutdown (30487)
if (workspace.getRoot().findMember(externalPath) != null) {
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is original path (member of workspace)"); //$NON-NLS-1$
}
return externalPath;
}
IPath canonicalPath = null;
try {
canonicalPath =
new Path(new File(externalPath.toOSString()).getCanonicalPath());
} catch (IOException e) {
// default to original path
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is original path (IOException)"); //$NON-NLS-1$
}
return externalPath;
}
IPath result;
int canonicalLength = canonicalPath.segmentCount();
if (canonicalLength == 0) {
// the java.io.File canonicalization failed
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is original path (canonical path is empty)"); //$NON-NLS-1$
}
return externalPath;
} else if (externalPath.isAbsolute()) {
result = canonicalPath;
} else {
// if path is relative, remove the first segments that were added by the java.io.File canonicalization
// e.g. 'lib/classes.zip' was converted to 'd:/myfolder/lib/classes.zip'
int externalLength = externalPath.segmentCount();
if (canonicalLength >= externalLength) {
result = canonicalPath.removeFirstSegments(canonicalLength - externalLength);
} else {
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is original path (canonical path is " + canonicalPath.toString() + ")"); //$NON-NLS-1$ //$NON-NLS-2$
}
return externalPath;
}
}
// keep device only if it was specified (this is because File.getCanonicalPath() converts '/lib/classed.zip' to 'd:/lib/classes/zip')
if (externalPath.getDevice() == null) {
result = result.setDevice(null);
}
if (JavaModelManager.VERBOSE) {
System.out.println("JAVA MODEL - Canonical path is " + result.toString()); //$NON-NLS-1$
}
return result;
}
/**
* Constructor needed for IProject.getNature()
and IProject.addNature()
.
*
* @see #setProject(IProject)
*/
public JavaProject() {
super(null, null);
}
public JavaProject(IProject project, JavaElement parent) {
super(parent, project.getName());
this.project = project;
}
public void addLoadPathEntry(IProject anotherPHPProject) {
fScratched = true;
LoadPathEntry newEntry = new LoadPathEntry(anotherPHPProject);
getLoadPathEntries().add(newEntry);
}
public void configure() throws CoreException {
// get project description and then the associated build commands
IProjectDescription desc = project.getDescription();
ICommand[] commands = desc.getBuildSpec();
// determine if builder already associated
boolean found = false;
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(PHPeclipsePlugin.BUILDER_PARSER_ID)) {
found = true;
break;
}
}
// add builder if not already in project
if (!found) {
ICommand command = desc.newCommand();
command.setBuilderName(PHPeclipsePlugin.BUILDER_PARSER_ID);
ICommand[] newCommands = new ICommand[commands.length + 1];
// Add it before other builders.
System.arraycopy(commands, 0, newCommands, 1, commands.length);
newCommands[0] = command;
desc.setBuildSpec(newCommands);
project.setDescription(desc, null);
}
}
protected void loadLoadPathEntries() {
fLoadPathEntries = new ArrayList();
IFile loadPathsFile = getLoadPathEntriesFile();
XMLReader reader = null;
try {
reader = SAXParserFactory.newInstance().newSAXParser().getXMLReader();
reader.setContentHandler(getLoadPathEntriesContentHandler());
reader.parse(new InputSource(loadPathsFile.getContents()));
} catch (Exception e) {
//the file is nonextant or unreadable
}
}
public List getLoadPathEntries() {
if (fLoadPathEntries == null) {
loadLoadPathEntries();
}
return fLoadPathEntries;
}
protected ContentHandler getLoadPathEntriesContentHandler() {
return new ContentHandler() {
public void characters(char[] arg0, int arg1, int arg2) throws SAXException {
}
public void endDocument() throws SAXException {
}
public void endElement(String arg0, String arg1, String arg2) throws SAXException {
}
public void endPrefixMapping(String arg0) throws SAXException {
}
public void ignorableWhitespace(char[] arg0, int arg1, int arg2) throws SAXException {
}
public void processingInstruction(String arg0, String arg1) throws SAXException {
}
public void setDocumentLocator(Locator arg0) {
}
public void skippedEntity(String arg0) throws SAXException {
}
public void startDocument() throws SAXException {
}
public void startElement(String namespaceURI, String localName, String qName, Attributes atts) throws SAXException {
if ("pathentry".equals(qName))
if ("project".equals(atts.getValue("type"))) {
IPath referencedProjectPath = new Path(atts.getValue("path"));
IProject referencedProject = getProject(referencedProjectPath.lastSegment());
fLoadPathEntries.add(new LoadPathEntry(referencedProject));
}
}
public void startPrefixMapping(String arg0, String arg1) throws SAXException {
}
};
}
protected IFile getLoadPathEntriesFile() {
return project.getFile(".loadpath");
}
protected String getLoadPathXML() {
StringBuffer buffer = new StringBuffer();
buffer.append("null
if there is no reference to the path.
*/
public IClasspathEntry getClasspathEntryFor(IPath path)
throws JavaModelException {
IClasspathEntry[] entries = getExpandedClasspath(true);
for (int i = 0; i < entries.length; i++) {
if (entries[i].getPath().equals(path)) {
return entries[i];
}
}
return null;
}
/*
* Returns the cycle marker associated with this project or null if none.
*/
public IMarker getCycleMarker(){
try {
IProject project = getProject();
if (project.exists()) {
IMarker[] markers = project.findMarkers(IJavaModelMarker.BUILDPATH_PROBLEM_MARKER, false, IResource.DEPTH_ZERO);
for (int i = 0, length = markers.length; i < length; i++) {
IMarker marker = markers[i];
String cycleAttr = (String)marker.getAttribute(IJavaModelMarker.CYCLE_DETECTED);
if (cycleAttr != null && cycleAttr.equals("true")){ //$NON-NLS-1$
return marker;
}
}
}
} catch (CoreException e) {
}
return null;
}
/**
* @see IJavaElement
*/
public int getElementType() {
return JAVA_PROJECT;
}
/**
* This is a helper method returning the expanded classpath for the project, as a list of classpath entries,
* where all classpath variable entries have been resolved and substituted with their final target entries.
* All project exports have been appended to project entries.
*/
public IClasspathEntry[] getExpandedClasspath(boolean ignoreUnresolvedVariable) throws JavaModelException {
return getExpandedClasspath(ignoreUnresolvedVariable, false);
}
/**
* Internal variant which can create marker on project for invalid entries,
* it will also perform classpath expansion in presence of project prerequisites
* exporting their entries.
*/
public IClasspathEntry[] getExpandedClasspath(
boolean ignoreUnresolvedVariable,
boolean generateMarkerOnError) throws JavaModelException {
ObjectVector accumulatedEntries = new ObjectVector();
computeExpandedClasspath(this, ignoreUnresolvedVariable, generateMarkerOnError, new HashSet(5), accumulatedEntries);
IClasspathEntry[] expandedPath = new IClasspathEntry[accumulatedEntries.size()];
accumulatedEntries.copyInto(expandedPath);
return expandedPath;
}
/**
* Returns the char
that marks the start of this handles
* contribution to a memento.
*/
protected char getHandleMementoDelimiter() {
return JEM_JAVAPROJECT;
}
/**
* Find the specific Java command amongst the build spec of a given description
*/
private ICommand getJavaCommand(IProjectDescription description)
throws CoreException {
ICommand[] commands = description.getBuildSpec();
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(PHPeclipsePlugin.BUILDER_PARSER_ID)) {
return commands[i];
}
}
return null;
}
/**
* Convenience method that returns the specific type of info for a Java project.
*/
protected JavaProjectElementInfo getJavaProjectElementInfo()
throws JavaModelException {
return (JavaProjectElementInfo) getElementInfo();
}
/**
* @see IJavaProject
*/
public NameLookup getNameLookup() throws JavaModelException {
JavaProjectElementInfo info = getJavaProjectElementInfo();
// lock on the project info to avoid race condition
synchronized(info){
NameLookup nameLookup;
if ((nameLookup = info.getNameLookup()) == null){
info.setNameLookup(nameLookup = new NameLookup(this));
}
return nameLookup;
}
}
/*
* Returns a new name lookup. This name lookup first looks in the given working copies.
*/
public NameLookup newNameLookup(ICompilationUnit[] workingCopies) throws JavaModelException {
JavaProjectElementInfo info = getJavaProjectElementInfo();
// lock on the project info to avoid race condition while computing the pkg fragment roots and package fragment caches
// synchronized(info){
// return new NameLookup(info.getAllPackageFragmentRoots(this), info.getAllPackageFragments(this), workingCopies);
// }
return null;
}
/*
* Returns a new name lookup. This name lookup first looks in the working copies of the given owner.
*/
public NameLookup newNameLookup(WorkingCopyOwner owner) throws JavaModelException {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
ICompilationUnit[] workingCopies = owner == null ? null : manager.getWorkingCopies(owner, true/*add primary WCs*/);
return newNameLookup(workingCopies);
}
//
// /**
// * Returns an array of non-java resources contained in the receiver.
// */
// public Object[] getNonJavaResources() throws JavaModelException {
//
// return ((JavaProjectElementInfo) getElementInfo()).getNonJavaResources(this);
// }
/**
* @see org.eclipse.jdt.core.IJavaProject#getOption(String, boolean)
*/
public String getOption(String optionName, boolean inheritJavaCoreOptions) {
if (JavaModelManager.OptionNames.contains(optionName)){
Preferences preferences = getPreferences();
if (preferences == null || preferences.isDefault(optionName)) {
return inheritJavaCoreOptions ? JavaCore.getOption(optionName) : null;
}
return preferences.getString(optionName).trim();
}
return null;
}
/**
* @see org.eclipse.jdt.core.IJavaProject#getOptions(boolean)
*/
public Map getOptions(boolean inheritJavaCoreOptions) {
// initialize to the defaults from JavaCore options pool
Map options = inheritJavaCoreOptions ? JavaCore.getOptions() : new Hashtable(5);
Preferences preferences = getPreferences();
if (preferences == null) return options; // cannot do better (non-Java project)
HashSet optionNames = JavaModelManager.OptionNames;
// get preferences set to their default
if (inheritJavaCoreOptions){
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).trim());
}
}
}
// get custom 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());
}
}
return options;
}
/**
* @see IJavaProject
*/
public IPath getOutputLocation() throws JavaModelException {
JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager().getPerProjectInfoCheckExistence(project);
IPath outputLocation = perProjectInfo.outputLocation;
if (outputLocation != null) return outputLocation;
// force to read classpath - will position output location as well
this.getRawClasspath();
outputLocation = perProjectInfo.outputLocation;
if (outputLocation == null) {
return defaultOutputLocation();
}
return outputLocation;
}
/**
* @return A handle to the package fragment root identified by the given path.
* This method is handle-only and the element may or may not exist. Returns
* null
if unable to generate a handle from the path (for example,
* an absolute path that has less than 1 segment. The path may be relative or
* absolute.
*/
public IPackageFragmentRoot getPackageFragmentRoot(IPath path) {
if (!path.isAbsolute()) {
path = getPath().append(path);
}
int segmentCount = path.segmentCount();
switch (segmentCount) {
case 0:
return null;
case 1:
// default root
return getPackageFragmentRoot(getProject());
default:
// a path ending with .jar/.zip is still ambiguous and could still resolve to a source/lib folder
// thus will try to guess based on existing resource
// if (Util.isArchiveFileName(path.lastSegment())) {
// IResource resource = getProject().getWorkspace().getRoot().findMember(path);
// if (resource != null && resource.getType() == IResource.FOLDER){
// return getPackageFragmentRoot(resource);
// }
// return getPackageFragmentRoot0(path);
// } else {
return getPackageFragmentRoot(getProject().getWorkspace().getRoot().getFolder(path));
// }
}
}
/**
* The path is known to match a source/library folder entry.
*/
public IPackageFragmentRoot getFolderPackageFragmentRoot(IPath path) {
if (path.segmentCount() == 1) { // default project root
return getPackageFragmentRoot(getProject());
}
return getPackageFragmentRoot(getProject().getWorkspace().getRoot().getFolder(path));
}
/**
* @see IJavaProject
*/
public IPackageFragmentRoot getPackageFragmentRoot(IResource resource) {
switch (resource.getType()) {
case IResource.FILE:
// if (Util.isArchiveFileName(resource.getName())) {
// return new JarPackageFragmentRoot(resource, this);
// } else {
return null;
// }
case IResource.FOLDER:
return new PackageFragmentRoot(resource, this, resource.getName());
case IResource.PROJECT:
return new PackageFragmentRoot(resource, this, ""); //$NON-NLS-1$
default:
return null;
}
}
/**
* @see IJavaProject
*/
// public IPackageFragmentRoot getPackageFragmentRoot(String jarPath) {
//
// return getPackageFragmentRoot0(JavaProject.canonicalizedPath(new Path(jarPath)));
// }
//
// /**
// * no path canonicalization
// */
// public IPackageFragmentRoot getPackageFragmentRoot0(IPath jarPath) {
//
// return new JarPackageFragmentRoot(jarPath, this);
// }
/**
* @see IJavaProject
*/
public IPackageFragmentRoot[] getPackageFragmentRoots()
throws JavaModelException {
Object[] children;
int length;
IPackageFragmentRoot[] roots;
System.arraycopy(
children = getChildren(),
0,
roots = new IPackageFragmentRoot[length = children.length],
0,
length);
return roots;
}
/**
* @see IJavaProject
* @deprecated
*/
public IPackageFragmentRoot[] getPackageFragmentRoots(IClasspathEntry entry) {
return findPackageFragmentRoots(entry);
}
/**
* Returns the package fragment root prefixed by the given path, or
* an empty collection if there are no such elements in the model.
*/
protected IPackageFragmentRoot[] getPackageFragmentRoots(IPath path)
throws JavaModelException {
IPackageFragmentRoot[] roots = getAllPackageFragmentRoots();
ArrayList matches = new ArrayList();
for (int i = 0; i < roots.length; ++i) {
if (path.isPrefixOf(roots[i].getPath())) {
matches.add(roots[i]);
}
}
IPackageFragmentRoot[] copy = new IPackageFragmentRoot[matches.size()];
matches.toArray(copy);
return copy;
}
/**
* @see IJavaProject
*/
public IPackageFragment[] getPackageFragments() throws JavaModelException {
IPackageFragmentRoot[] roots = getPackageFragmentRoots();
return getPackageFragmentsInRoots(roots);
}
/**
* Returns all the package fragments found in the specified
* package fragment roots.
*/
public IPackageFragment[] getPackageFragmentsInRoots(IPackageFragmentRoot[] roots) {
ArrayList frags = new ArrayList();
for (int i = 0; i < roots.length; i++) {
IPackageFragmentRoot root = roots[i];
try {
IJavaElement[] rootFragments = root.getChildren();
for (int j = 0; j < rootFragments.length; j++) {
frags.add(rootFragments[j]);
}
} catch (JavaModelException e) {
// do nothing
}
}
IPackageFragment[] fragments = new IPackageFragment[frags.size()];
frags.toArray(fragments);
return fragments;
}
/*
* @see IJavaElement
*/
public IPath getPath() {
return this.getProject().getFullPath();
}
/**
* @see IJavaProject
*/
public IProject getProject() {
return project;
}
/**
* Sets the underlying kernel project of this Java project,
* and fills in its parent and name.
* Called by IProject.getNature().
*
* @see IProjectNature#setProject(IProject)
*/
public void setProject(IProject project) {
this.project = project;
this.parent = JavaModelManager.getJavaModelManager().getJavaModel();
this.name = project.getName();
}
protected IProject getProject(String name) {
return PHPeclipsePlugin.getWorkspace().getRoot().getProject(name);
}
public List getReferencedProjects() {
List referencedProjects = new ArrayList();
Iterator iterator = getLoadPathEntries().iterator();
while (iterator.hasNext()) {
LoadPathEntry pathEntry = (LoadPathEntry) iterator.next();
if (pathEntry.getType() == LoadPathEntry.TYPE_PROJECT)
referencedProjects.add(pathEntry.getProject());
}
return referencedProjects;
}
/**
* Returns the project custom preference pool.
* Project preferences may include custom encoding.
*/
public Preferences getPreferences(){
IProject project = getProject();
if (!JavaProject.hasJavaNature(project)) return null;
JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager().getPerProjectInfo(project, true);
Preferences preferences = perProjectInfo.preferences;
if (preferences != null) return preferences;
preferences = loadPreferences();
if (preferences == null) preferences = new Preferences();
perProjectInfo.preferences = preferences;
return preferences;
}
/**
* @see IJavaProject
*/
public IClasspathEntry[] getRawClasspath() throws JavaModelException {
JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager().getPerProjectInfoCheckExistence(project);
IClasspathEntry[] classpath = perProjectInfo.classpath;
if (classpath != null) return classpath;
classpath = this.readClasspathFile(false/*don't create markers*/, true/*log problems*/);
// extract out the output location
IPath outputLocation = null;
if (classpath != null && classpath.length > 0) {
IClasspathEntry entry = classpath[classpath.length - 1];
if (entry.getContentKind() == ClasspathEntry.K_OUTPUT) {
outputLocation = entry.getPath();
IClasspathEntry[] copy = new IClasspathEntry[classpath.length - 1];
System.arraycopy(classpath, 0, copy, 0, copy.length);
classpath = copy;
}
}
if (classpath == null) {
return defaultClasspath();
}
/* Disable validate: classpath can contain CP variables and container that need to be resolved
if (classpath != INVALID_CLASSPATH
&& !JavaConventions.validateClasspath(this, classpath, outputLocation).isOK()) {
classpath = INVALID_CLASSPATH;
}
*/
perProjectInfo.classpath = classpath;
perProjectInfo.outputLocation = outputLocation;
return classpath;
}
/**
* @see IJavaProject#getRequiredProjectNames
*/
public String[] getRequiredProjectNames() throws JavaModelException {
return this.projectPrerequisites(getResolvedClasspath(true));
}
/**
* @see IJavaProject
*/
public IClasspathEntry[] getResolvedClasspath(boolean ignoreUnresolvedEntry)
throws JavaModelException {
return
this.getResolvedClasspath(
ignoreUnresolvedEntry,
false); // generateMarkerOnError
}
/**
* Internal variant which can create marker on project for invalid entries
* and caches the resolved classpath on perProjectInfo
*/
public IClasspathEntry[] getResolvedClasspath(
boolean ignoreUnresolvedEntry,
boolean generateMarkerOnError)
throws JavaModelException {
JavaModelManager manager = JavaModelManager.getJavaModelManager();
JavaModelManager.PerProjectInfo perProjectInfo = manager.getPerProjectInfoCheckExistence(project);
// reuse cache if not needing to refresh markers or checking bound variables
if (ignoreUnresolvedEntry && !generateMarkerOnError && perProjectInfo != null){
// resolved path is cached on its info
IClasspathEntry[] infoPath = perProjectInfo.lastResolvedClasspath;
if (infoPath != null) return infoPath;
}
Map reverseMap = perProjectInfo == null ? null : new HashMap(5);
IClasspathEntry[] resolvedPath = getResolvedClasspath(
getRawClasspath(),
generateMarkerOnError ? getOutputLocation() : null,
ignoreUnresolvedEntry,
generateMarkerOnError,
reverseMap);
if (perProjectInfo != null){
if (perProjectInfo.classpath == null // .classpath file could not be read
&& generateMarkerOnError
&& JavaProject.hasJavaNature(project)) {
this.createClasspathProblemMarker(new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Util.bind("classpath.cannotReadClasspathFile", this.getElementName()))); //$NON-NLS-1$
}
perProjectInfo.lastResolvedClasspath = resolvedPath;
perProjectInfo.resolvedPathToRawEntries = reverseMap;
}
return resolvedPath;
}
/**
* Internal variant which can process any arbitrary classpath
*/
public IClasspathEntry[] getResolvedClasspath(
IClasspathEntry[] classpathEntries,
IPath projectOutputLocation, // only set if needing full classpath validation (and markers)
boolean ignoreUnresolvedEntry, // if unresolved entries are met, should it trigger initializations
boolean generateMarkerOnError,
Map reverseMap) // can be null if not interested in reverse mapping
throws JavaModelException {
IJavaModelStatus status;
if (generateMarkerOnError){
flushClasspathProblemMarkers(false, false);
}
int length = classpathEntries.length;
ArrayList resolvedEntries = new ArrayList();
for (int i = 0; i < length; i++) {
IClasspathEntry rawEntry = classpathEntries[i];
IPath resolvedPath;
status = null;
/* validation if needed */
// if (generateMarkerOnError || !ignoreUnresolvedEntry) {
// status = JavaConventions.validateClasspathEntry(this, rawEntry, false);
// if (generateMarkerOnError && !status.isOK()) createClasspathProblemMarker(status);
// }
switch (rawEntry.getEntryKind()){
case IClasspathEntry.CPE_VARIABLE :
IClasspathEntry resolvedEntry = JavaCore.getResolvedClasspathEntry(rawEntry);
if (resolvedEntry == null) {
if (!ignoreUnresolvedEntry) throw new JavaModelException(status);
} else {
if (reverseMap != null && reverseMap.get(resolvedPath = resolvedEntry.getPath()) == null) reverseMap.put(resolvedPath , rawEntry);
resolvedEntries.add(resolvedEntry);
}
break;
// case IClasspathEntry.CPE_CONTAINER :
//
// IClasspathContainer container = PHPCore.getClasspathContainer(rawEntry.getPath(), this);
// if (container == null){
// if (!ignoreUnresolvedEntry) throw new JavaModelException(status);
// break;
// }
//
// IClasspathEntry[] containerEntries = container.getClasspathEntries();
// if (containerEntries == null) break;
//
// // container was bound
// for (int j = 0, containerLength = containerEntries.length; j < containerLength; j++){
// IClasspathEntry cEntry = containerEntries[j];
//
// if (generateMarkerOnError) {
// IJavaModelStatus containerStatus = JavaConventions.validateClasspathEntry(this, cEntry, false);
// if (!containerStatus.isOK()) createClasspathProblemMarker(containerStatus);
// }
// // if container is exported, then its nested entries must in turn be exported (21749)
// if (rawEntry.isExported()){
// cEntry = new ClasspathEntry(cEntry.getContentKind(),
// cEntry.getEntryKind(), cEntry.getPath(),
// cEntry.getExclusionPatterns(), cEntry.getSourceAttachmentPath(),
// cEntry.getSourceAttachmentRootPath(), cEntry.getOutputLocation(),
// true); // duplicate container entry for tagging it as exported
// }
// if (reverseMap != null && reverseMap.get(resolvedPath = cEntry.getPath()) == null) reverseMap.put(resolvedPath, rawEntry);
// resolvedEntries.add(cEntry);
// }
// break;
default :
if (reverseMap != null && reverseMap.get(resolvedPath = rawEntry.getPath()) == null) reverseMap.put(resolvedPath, rawEntry);
resolvedEntries.add(rawEntry);
}
}
IClasspathEntry[] resolvedPath = new IClasspathEntry[resolvedEntries.size()];
resolvedEntries.toArray(resolvedPath);
// if (generateMarkerOnError && projectOutputLocation != null) {
// status = JavaConventions.validateClasspath(this, resolvedPath, projectOutputLocation);
// if (!status.isOK()) createClasspathProblemMarker(status);
// }
return resolvedPath;
}
/*
* @see IJavaElement
*/
public IResource getResource() {
return this.getProject();
}
/**
* @see IJavaProject
*/
public ISearchableNameEnvironment getSearchableNameEnvironment()
throws JavaModelException {
JavaProjectElementInfo info = getJavaProjectElementInfo();
if (info.getSearchableEnvironment() == null) {
info.setSearchableEnvironment(new SearchableEnvironment(this));
}
return info.getSearchableEnvironment();
}
/**
* Retrieve a shared property on a project. If the property is not defined, answers null.
* Note that it is orthogonal to IResource persistent properties, and client code has to decide
* which form of storage to use appropriately. Shared properties produce real resource files which
* can be shared through a VCM onto a server. Persistent properties are not shareable.
*
* @see JavaProject#setSharedProperty(String, String)
*/
public String getSharedProperty(String key) throws CoreException {
String property = null;
IFile rscFile = getProject().getFile(key);
if (rscFile.exists()) {
property = new String(Util.getResourceContentsAsByteArray(rscFile));
}
return property;
}
/**
* @see JavaElement
*/
// public SourceMapper getSourceMapper() {
//
// return null;
// }
/**
* @see IJavaElement
*/
public IResource getUnderlyingResource() throws JavaModelException {
if (!exists()) throw newNotPresentException();
return getProject();
}
/**
* @see IJavaProject
*/
public boolean hasBuildState() {
return JavaModelManager.getJavaModelManager().getLastBuiltState(this.getProject(), null) != null;
}
/**
* @see IJavaProject
*/
public boolean hasClasspathCycle(IClasspathEntry[] preferredClasspath) {
HashSet cycleParticipants = new HashSet();
updateCycleParticipants(preferredClasspath, new ArrayList(2), cycleParticipants, ResourcesPlugin.getWorkspace().getRoot(), new HashSet(2));
return !cycleParticipants.isEmpty();
}
public boolean hasCycleMarker(){
return this.getCycleMarker() != null;
}
public int hashCode() {
return project.hashCode();
}
/**
* Returns true if the given project is accessible and it has
* a java nature, otherwise false.
*/
public static boolean hasJavaNature(IProject project) {
try {
return project.hasNature(PHPeclipsePlugin.PHP_NATURE_ID);
} catch (CoreException e) {
// project does not exist or is not open
}
return false;
}
/**
* Answers true if the project potentially contains any source. A project which has no source is immutable.
*/
public boolean hasSource() {
// look if any source folder on the classpath
// no need for resolved path given source folder cannot be abstracted
IClasspathEntry[] entries;
try {
entries = this.getRawClasspath();
} catch (JavaModelException e) {
return true; // unsure
}
for (int i = 0, max = entries.length; i < max; i++) {
if (entries[i].getEntryKind() == IClasspathEntry.CPE_SOURCE) {
return true;
}
}
return false;
}
/**
* Compare current classpath with given one to see if any different.
* Note that the argument classpath contains its binary output.
*/
public boolean isClasspathEqualsTo(IClasspathEntry[] newClasspath, IPath newOutputLocation, IClasspathEntry[] otherClasspathWithOutput)
throws JavaModelException {
if (otherClasspathWithOutput != null && otherClasspathWithOutput.length > 0) {
int length = otherClasspathWithOutput.length;
if (length == newClasspath.length + 1) {
// output is amongst file entries (last one)
// compare classpath entries
for (int i = 0; i < length - 1; i++) {
if (!otherClasspathWithOutput[i].equals(newClasspath[i]))
return false;
}
// compare binary outputs
IClasspathEntry output = otherClasspathWithOutput[length - 1];
if (output.getContentKind() == ClasspathEntry.K_OUTPUT
&& output.getPath().equals(newOutputLocation))
return true;
}
}
return false;
}
/*
* @see IJavaProject
*/
public boolean isOnClasspath(IJavaElement element) {
IPath path = element.getPath();
switch (element.getElementType()) {
case IJavaElement.PACKAGE_FRAGMENT_ROOT:
if (!((IPackageFragmentRoot)element).isArchive()) {
// ensure that folders are only excluded if all of their children are excluded
path = path.append("*"); //$NON-NLS-1$
}
break;
case IJavaElement.PACKAGE_FRAGMENT:
if (!((IPackageFragmentRoot)element.getParent()).isArchive()) {
// ensure that folders are only excluded if all of their children are excluded
path = path.append("*"); //$NON-NLS-1$
}
break;
}
return this.isOnClasspath(path);
}
private boolean isOnClasspath(IPath path) {
IClasspathEntry[] classpath;
try {
classpath = this.getResolvedClasspath(true/*ignore unresolved variable*/);
} catch(JavaModelException e){
return false; // not a Java project
}
for (int i = 0; i < classpath.length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getPath().isPrefixOf(path)
&& !Util.isExcluded(path, ((ClasspathEntry)entry).fullExclusionPatternChars())) {
return true;
}
}
return false;
}
/*
* @see IJavaProject
*/
public boolean isOnClasspath(IResource resource) {
IPath path = resource.getFullPath();
// ensure that folders are only excluded if all of their children are excluded
if (resource.getType() == IResource.FOLDER) {
path = path.append("*"); //$NON-NLS-1$
}
return this.isOnClasspath(path);
}
private IPath getPluginWorkingLocation() {
return this.project.getWorkingLocation(JavaCore.PLUGIN_ID);
}
/*
* load preferences from a shareable format (VCM-wise)
*/
public Preferences loadPreferences() {
Preferences preferences = new Preferences();
// File prefFile = getProject().getLocation().append(PREF_FILENAME).toFile();
IPath projectMetaLocation = getPluginWorkingLocation();
if (projectMetaLocation != null) {
File prefFile = projectMetaLocation.append(PREF_FILENAME).toFile();
if (prefFile.exists()) { // load preferences from file
InputStream in = null;
try {
in = new BufferedInputStream(new FileInputStream(prefFile));
preferences.load(in);
return preferences;
} catch (IOException e) { // problems loading preference store - quietly ignore
} finally {
if (in != null) {
try {
in.close();
} catch (IOException e) { // ignore problems with close
}
}
}
}
}
return null;
}
/**
* @see IJavaProject#newEvaluationContext
*/
// public IEvaluationContext newEvaluationContext() {
//
// return new EvaluationContextWrapper(new EvaluationContext(), this);
// }
/**
* @see IJavaProject
*/
// public ITypeHierarchy newTypeHierarchy(
// IRegion region,
// IProgressMonitor monitor)
// throws JavaModelException {
//
// if (region == null) {
// throw new IllegalArgumentException(Util.bind("hierarchy.nullRegion"));//$NON-NLS-1$
// }
// CreateTypeHierarchyOperation op =
// new CreateTypeHierarchyOperation(null, region, this, true);
// runOperation(op, monitor);
// return op.getResult();
// }
/**
* @see IJavaProject
*/
// public ITypeHierarchy newTypeHierarchy(
// IType type,
// IRegion region,
// IProgressMonitor monitor)
// throws JavaModelException {
//
// if (type == null) {
// throw new IllegalArgumentException(Util.bind("hierarchy.nullFocusType"));//$NON-NLS-1$
// }
// if (region == null) {
// throw new IllegalArgumentException(Util.bind("hierarchy.nullRegion"));//$NON-NLS-1$
// }
// CreateTypeHierarchyOperation op =
// new CreateTypeHierarchyOperation(type, region, this, true);
// runOperation(op, monitor);
// return op.getResult();
// }
// /**
// * Open project if resource isn't closed
// */
// protected void openWhenClosed(IProgressMonitor pm) throws JavaModelException {
//
// if (!this.fProject.isOpen()) {
// throw newNotPresentException();
// } else {
// super.openWhenClosed(pm);
// }
// }
public String[] projectPrerequisites(IClasspathEntry[] entries)
throws JavaModelException {
ArrayList prerequisites = new ArrayList();
// need resolution
entries = getResolvedClasspath(entries, null, true, false, null/*no reverse map*/);
for (int i = 0, length = entries.length; i < length; i++) {
IClasspathEntry entry = entries[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT) {
prerequisites.add(entry.getPath().lastSegment());
}
}
int size = prerequisites.size();
if (size == 0) {
return NO_PREREQUISITES;
} else {
String[] result = new String[size];
prerequisites.toArray(result);
return result;
}
}
/**
* Reads the .classpath file from disk and returns the list of entries it contains (including output location entry)
* Returns null if .classfile is not present.
* Returns INVALID_CLASSPATH if it has a format problem.
*/
protected IClasspathEntry[] readClasspathFile(boolean createMarker, boolean logProblems) {
try {
String xmlClasspath = getSharedProperty(CLASSPATH_FILENAME);
if (xmlClasspath == null) return null;
return decodeClasspath(xmlClasspath, createMarker, logProblems);
} catch(CoreException e) {
// file does not exist (or not accessible)
if (createMarker && this.getProject().isAccessible()) {
this.createClasspathProblemMarker(new JavaModelStatus(
IJavaModelStatusConstants.INVALID_CLASSPATH_FILE_FORMAT,
Util.bind("classpath.cannotReadClasspathFile", this.getElementName()))); //$NON-NLS-1$
}
if (logProblems) {
Util.log(e,
"Exception while retrieving "+ this.getPath() //$NON-NLS-1$
+"/.classpath, will revert to default classpath"); //$NON-NLS-1$
}
}
return null;
}
/**
* Removes the given builder from the build spec for the given project.
*/
protected void removeFromBuildSpec(String builderID) throws CoreException {
IProjectDescription description = getProject().getDescription();
ICommand[] commands = description.getBuildSpec();
for (int i = 0; i < commands.length; ++i) {
if (commands[i].getBuilderName().equals(builderID)) {
ICommand[] newCommands = new ICommand[commands.length - 1];
System.arraycopy(commands, 0, newCommands, 0, i);
System.arraycopy(commands, i + 1, newCommands, i, commands.length - i - 1);
description.setBuildSpec(newCommands);
getProject().setDescription(description, null);
return;
}
}
}
/**
* @see JavaElement#rootedAt(IJavaProject)
*/
public IJavaElement rootedAt(IJavaProject project) {
return project;
}
/**
* Answers an ID which is used to distinguish project/entries during package
* fragment root computations
*/
public String rootID(){
return "[PRJ]"+this.getProject().getFullPath(); //$NON-NLS-1$
}
/**
* Saves the classpath in a shareable format (VCM-wise) only when necessary, that is, if it is semantically different
* from the existing one in file. Will never write an identical one.
*
* @return Return whether the .classpath file was modified.
*/
public boolean saveClasspath(IClasspathEntry[] newClasspath, IPath newOutputLocation) throws JavaModelException {
if (!getProject().exists()) return false;
IClasspathEntry[] fileEntries = readClasspathFile(false /*don't create markers*/, false/*don't log problems*/);
if (fileEntries != null && isClasspathEqualsTo(newClasspath, newOutputLocation, fileEntries)) {
// no need to save it, it is the same
return false;
}
// actual file saving
try {
setSharedProperty(CLASSPATH_FILENAME, encodeClasspath(newClasspath, newOutputLocation, true));
return true;
} catch (CoreException e) {
throw new JavaModelException(e);
}
}
/**
* Save project custom preferences to shareable file (.jprefs)
*/
private void savePreferences(Preferences preferences) {
if (!JavaProject.hasJavaNature(this.project)) return; // ignore
if (preferences == null || (!preferences.needsSaving() && preferences.propertyNames().length != 0)) {
// nothing to save
return;
}
// preferences need to be saved
// the preferences file is located in the plug-in's state area
// at a well-known name (.jprefs)
// File prefFile = this.project.getLocation().append(PREF_FILENAME).toFile();
File prefFile = getPluginWorkingLocation().append(PREF_FILENAME).toFile();
if (preferences.propertyNames().length == 0) {
// there are no preference settings
// rather than write an empty file, just delete any existing file
if (prefFile.exists()) {
prefFile.delete(); // don't worry if delete unsuccessful
}
return;
}
// write file, overwriting an existing one
OutputStream out = null;
try {
// do it as carefully as we know how so that we don't lose/mangle
// the setting in times of stress
out = new BufferedOutputStream(new FileOutputStream(prefFile));
preferences.store(out, null);
} catch (IOException e) { // problems saving preference store - quietly ignore
} finally {
if (out != null) {
try {
out.close();
} catch (IOException e) { // ignore problems with close
}
}
}
}
/**
* Update the Java command in the build spec (replace existing one if present,
* add one first if none).
*/
private void setJavaCommand(
IProjectDescription description,
ICommand newCommand)
throws CoreException {
ICommand[] oldCommands = description.getBuildSpec();
ICommand oldJavaCommand = getJavaCommand(description);
ICommand[] newCommands;
if (oldJavaCommand == null) {
// Add a Java build spec before other builders (1FWJK7I)
newCommands = new ICommand[oldCommands.length + 1];
System.arraycopy(oldCommands, 0, newCommands, 1, oldCommands.length);
newCommands[0] = newCommand;
} else {
for (int i = 0, max = oldCommands.length; i < max; i++) {
if (oldCommands[i] == oldJavaCommand) {
oldCommands[i] = newCommand;
break;
}
}
newCommands = oldCommands;
}
// Commit the spec change into the project
description.setBuildSpec(newCommands);
getProject().setDescription(description, null);
}
/**
* @see org.eclipse.jdt.core.IJavaProject#setOptions(Map)
*/
public void setOptions(Map newOptions) {
Preferences preferences;
setPreferences(preferences = new Preferences()); // always reset (26255)
if (newOptions != null){
Iterator keys = newOptions.keySet().iterator();
while (keys.hasNext()){
String key = (String)keys.next();
if (!JavaModelManager.OptionNames.contains(key)) continue; // unrecognized option
// no filtering for encoding (custom encoding for project is allowed)
String value = (String)newOptions.get(key);
preferences.setDefault(key, CUSTOM_DEFAULT_OPTION_VALUE); // empty string isn't the default (26251)
preferences.setValue(key, value);
}
}
// persist options
savePreferences(preferences);
}
/**
* @see IJavaProject
*/
public void setOutputLocation(IPath path, IProgressMonitor monitor)
throws JavaModelException {
if (path == null) {
throw new IllegalArgumentException(Util.bind("path.nullpath")); //$NON-NLS-1$
}
if (path.equals(getOutputLocation())) {
return;
}
this.setRawClasspath(SetClasspathOperation.ReuseClasspath, path, monitor);
}
/*
* Set cached preferences, no preference file is saved, only info is updated
*/
public void setPreferences(Preferences preferences) {
IProject project = getProject();
if (!JavaProject.hasJavaNature(project)) return; // ignore
JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager().getPerProjectInfo(project, true);
perProjectInfo.preferences = preferences;
}
/**
* @see IJavaProject
*/
public void setRawClasspath(
IClasspathEntry[] entries,
IPath outputLocation,
IProgressMonitor monitor)
throws JavaModelException {
setRawClasspath(
entries,
outputLocation,
monitor,
true, // canChangeResource (as per API contract)
getResolvedClasspath(true), // ignoreUnresolvedVariable
true, // needValidation
true); // need to save
}
public void setRawClasspath(
IClasspathEntry[] newEntries,
IPath newOutputLocation,
IProgressMonitor monitor,
boolean canChangeResource,
IClasspathEntry[] oldResolvedPath,
boolean needValidation,
boolean needSave)
throws JavaModelException {
JavaModelManager manager =
(JavaModelManager) JavaModelManager.getJavaModelManager();
try {
IClasspathEntry[] newRawPath = newEntries;
if (newRawPath == null) { //are we already with the default classpath
newRawPath = defaultClasspath();
}
SetClasspathOperation op =
new SetClasspathOperation(
this,
oldResolvedPath,
newRawPath,
newOutputLocation,
canChangeResource,
needValidation,
needSave);
runOperation(op, monitor);
} catch (JavaModelException e) {
manager.flush();
throw e;
}
}
/**
* @see IJavaProject
*/
public void setRawClasspath(
IClasspathEntry[] entries,
IProgressMonitor monitor)
throws JavaModelException {
setRawClasspath(
entries,
SetClasspathOperation.ReuseOutputLocation,
monitor,
true, // canChangeResource (as per API contract)
getResolvedClasspath(true), // ignoreUnresolvedVariable
true, // needValidation
true); // need to save
}
/**
* NOTE: null
specifies default classpath, and an empty
* array specifies an empty classpath.
*
* @exception NotPresentException if this project does not exist.
*/
protected void setRawClasspath0(IClasspathEntry[] rawEntries)
throws JavaModelException {
JavaModelManager.PerProjectInfo info = JavaModelManager.getJavaModelManager().getPerProjectInfoCheckExistence(project);
synchronized (info) {
if (rawEntries != null) {
info.classpath = rawEntries;
}
// clear cache of resolved classpath
info.lastResolvedClasspath = null;
info.resolvedPathToRawEntries = null;
}
}
/**
* Record a shared persistent property onto a project.
* Note that it is orthogonal to IResource persistent properties, and client code has to decide
* which form of storage to use appropriately. Shared properties produce real resource files which
* can be shared through a VCM onto a server. Persistent properties are not shareable.
*
* shared properties end up in resource files, and thus cannot be modified during
* delta notifications (a CoreException would then be thrown).
*
* @see JavaProject#getSharedProperty(String key)
*/
public void setSharedProperty(String key, String value) throws CoreException {
IFile rscFile = getProject().getFile(key);
InputStream inputStream = new ByteArrayInputStream(value.getBytes());
// update the resource content
if (rscFile.exists()) {
if (rscFile.isReadOnly()) {
// provide opportunity to checkout read-only .classpath file (23984)
ResourcesPlugin.getWorkspace().validateEdit(new IFile[]{rscFile}, null);
}
rscFile.setContents(inputStream, IResource.FORCE, null);
} else {
rscFile.create(inputStream, IResource.FORCE, null);
}
}
/**
* Update cycle markers for all java projects
*/
public static void updateAllCycleMarkers() throws JavaModelException {
//long start = System.currentTimeMillis();
JavaModelManager manager = JavaModelManager.getJavaModelManager();
IJavaProject[] projects = manager.getJavaModel().getJavaProjects();
IWorkspaceRoot workspaceRoot = ResourcesPlugin.getWorkspace().getRoot();
HashSet cycleParticipants = new HashSet();
HashSet traversed = new HashSet();
int length = projects.length;
// compute cycle participants
ArrayList prereqChain = new ArrayList();
for (int i = 0; i < length; i++){
JavaProject project = (JavaProject)projects[i];
if (!traversed.contains(project.getPath())){
prereqChain.clear();
project.updateCycleParticipants(null, prereqChain, cycleParticipants, workspaceRoot, traversed);
}
}
//System.out.println("updateAllCycleMarkers: " + (System.currentTimeMillis() - start) + " ms");
for (int i = 0; i < length; i++){
JavaProject project = (JavaProject)projects[i];
if (cycleParticipants.contains(project.getPath())){
IMarker cycleMarker = project.getCycleMarker();
String circularCPOption = project.getOption(JavaCore.CORE_CIRCULAR_CLASSPATH, true);
int circularCPSeverity = JavaCore.ERROR.equals(circularCPOption) ? IMarker.SEVERITY_ERROR : IMarker.SEVERITY_WARNING;
if (cycleMarker != null) {
// update existing cycle marker if needed
try {
int existingSeverity = ((Integer)cycleMarker.getAttribute(IMarker.SEVERITY)).intValue();
if (existingSeverity != circularCPSeverity) {
cycleMarker.setAttribute(IMarker.SEVERITY, circularCPSeverity);
}
} catch (CoreException e) {
throw new JavaModelException(e);
}
} else {
// create new marker
project.createClasspathProblemMarker(
new JavaModelStatus(IJavaModelStatusConstants.CLASSPATH_CYCLE, project));
}
} else {
project.flushClasspathProblemMarkers(true, false);
}
}
}
/**
* If a cycle is detected, then cycleParticipants contains all the paths of projects involved in this cycle (directly and indirectly),
* no cycle if the set is empty (and started empty)
*/
public void updateCycleParticipants(
IClasspathEntry[] preferredClasspath,
ArrayList prereqChain,
HashSet cycleParticipants,
IWorkspaceRoot workspaceRoot,
HashSet traversed){
IPath path = this.getPath();
prereqChain.add(path);
traversed.add(path);
try {
IClasspathEntry[] classpath = preferredClasspath == null ? getResolvedClasspath(true) : preferredClasspath;
for (int i = 0, length = classpath.length; i < length; i++) {
IClasspathEntry entry = classpath[i];
if (entry.getEntryKind() == IClasspathEntry.CPE_PROJECT){
IPath prereqProjectPath = entry.getPath();
int index = cycleParticipants.contains(prereqProjectPath) ? 0 : prereqChain.indexOf(prereqProjectPath);
if (index >= 0) { // refer to cycle, or in cycle itself
for (int size = prereqChain.size(); index < size; index++) {
cycleParticipants.add(prereqChain.get(index));
}
} else {
if (!traversed.contains(prereqProjectPath)) {
IResource member = workspaceRoot.findMember(prereqProjectPath);
if (member != null && member.getType() == IResource.PROJECT){
JavaProject project = (JavaProject)JavaCore.create((IProject)member);
project.updateCycleParticipants(null, prereqChain, cycleParticipants, workspaceRoot, traversed);
}
}
}
}
}
} catch(JavaModelException e){
}
prereqChain.remove(path);
}
/**
* Reset the collection of package fragment roots (local ones) - only if opened.
* Need to check *all* package fragment roots in order to reset NameLookup
*/
public void updatePackageFragmentRoots(){
if (this.isOpen()) {
try {
JavaProjectElementInfo info = getJavaProjectElementInfo();
IClasspathEntry[] classpath = getResolvedClasspath(true);
// NameLookup lookup = info.getNameLookup();
// if (lookup != null){
// IPackageFragmentRoot[] oldRoots = lookup.fPackageFragmentRoots;
// IPackageFragmentRoot[] newRoots = computePackageFragmentRoots(classpath, true);
// checkIdentical: { // compare all pkg fragment root lists
// if (oldRoots.length == newRoots.length){
// for (int i = 0, length = oldRoots.length; i < length; i++){
// if (!oldRoots[i].equals(newRoots[i])){
// break checkIdentical;
// }
// }
// return; // no need to update
// }
// }
// info.setNameLookup(null); // discard name lookup (hold onto roots)
// }
info.setNonJavaResources(null);
info.setChildren(
computePackageFragmentRoots(classpath, false));
} catch(JavaModelException e){
try {
close(); // could not do better
} catch(JavaModelException ex){
}
}
}
}
public void removeLoadPathEntry(IProject anotherPHPProject) {
Iterator entries = getLoadPathEntries().iterator();
while (entries.hasNext()) {
LoadPathEntry entry = (LoadPathEntry) entries.next();
if (entry.getType() == LoadPathEntry.TYPE_PROJECT && entry.getProject().getName().equals(anotherPHPProject.getName())) {
getLoadPathEntries().remove(entry);
fScratched = true;
break;
}
}
}
public void save() throws CoreException {
if (fScratched) {
InputStream xmlPath = new ByteArrayInputStream(getLoadPathXML().getBytes());
IFile loadPathsFile = getLoadPathEntriesFile();
if (!loadPathsFile.exists())
loadPathsFile.create(xmlPath, true, null);
else
loadPathsFile.setContents(xmlPath, true, false, null);
fScratched = false;
}
}
}