+++ /dev/null
-package net.sourceforge.phpdt.externaltools.internal.registry;
-
-/**********************************************************************
-Copyright (c) 2002 IBM Corp. and others. All rights reserved.
-This file is 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:
-**********************************************************************/
-
-import java.util.HashMap;
-
-import net.sourceforge.phpdt.externaltools.internal.model.ExternalToolsPlugin;
-import net.sourceforge.phpdt.externaltools.model.IExternalToolConstants;
-
-import org.eclipse.core.runtime.IConfigurationElement;
-import org.eclipse.core.runtime.IExtension;
-import org.eclipse.core.runtime.IExtensionPoint;
-import org.eclipse.core.runtime.IExtensionRegistry;
-import org.eclipse.core.runtime.Platform;
-
-/**
- * General registry reader for external tool variables.
- */
-public abstract class ExternalToolVariableRegistry {
- // Format of the variable extension points
- // <extension point="org.eclipse.ui.externalTools.***Variables>
- // <variable
- // tag={string}
- // description={string}
- // componentClass={string:IVariableComponent}
- // expanderClass={string:IVariable***Expander}>
- // </variable>
- // </extension>
- //
-
- /**
- * Element and attribute tags of a variable extension.
- */
- /*package*/ static final String TAG_VARIABLE = "variable"; //$NON-NLS-1$
- /*package*/ static final String TAG_TAG = "tag"; //$NON-NLS-1$
- /*package*/ static final String TAG_DESCRIPTION = "description"; //$NON-NLS-1$
- /*package*/ static final String TAG_COMPONENT_CLASS = "componentClass"; //$NON-NLS-1$
- /*package*/ static final String TAG_EXPANDER_CLASS = "expanderClass"; //$NON-NLS-1$
-
-
- /**
- * Table of variables where the key is the variable tag
- * and the value is the corresponding variable.
- */
- private HashMap variables;
-
- /**
- * The extension point id to read the variables from
- */
- private String extensionPointId;
-
- /**
- * The
- /**
- * Creates a new registry and loads the variables.
- */
- public ExternalToolVariableRegistry(String extensionPointId) {
- super();
- this.extensionPointId = extensionPointId;
- loadVariables();
- }
-
- /**
- * Returns the variables in the registry
- */
- protected final void copyVariables(Object[] results) {
- variables.values().toArray(results);
- }
-
- /**
- * Returns the variable for the specified tag, or
- * <code>null</code> if none found.
- */
- protected final ExternalToolVariable findVariable(String tag) {
- return (ExternalToolVariable) variables.get(tag);
- }
-
- /**
- * Returns the number of variables in the registry.
- */
- public final int getVariableCount() {
- return variables.size();
- }
-
- /**
- * Load the available variables
- */
- private void loadVariables() {
- variables = new HashMap();
- IExtensionRegistry registry= Platform.getExtensionRegistry();
-// IPluginRegistry registry = Platform.getPluginRegistry();
- IExtensionPoint point = registry.getExtensionPoint(IExternalToolConstants.PLUGIN_ID, extensionPointId);
- if (point != null) {
- IExtension[] extensions = point.getExtensions();
- for (int i = 0; i < extensions.length; i++) {
- IConfigurationElement[] elements = extensions[i].getConfigurationElements();
- for (int j = 0; j < elements.length; j++) {
- IConfigurationElement element = elements[j];
- if (element.getName().equals(TAG_VARIABLE)) {
- String tag = element.getAttribute(TAG_TAG);
- String description = element.getAttribute(TAG_DESCRIPTION);
- String className = element.getAttribute(TAG_EXPANDER_CLASS);
-
- boolean valid = true;
- if (tag == null || tag.length() == 0) {
- valid = false;
- ExternalToolsPlugin.getDefault().log("Missing tag attribute value for variable element.", null); //$NON-NLS-1$
- }
- if (description == null || description.length() == 0) {
- valid = false;
- ExternalToolsPlugin.getDefault().log("Missing description attribute value for variable element.", null); //$NON-NLS-1$
- }
- if (className == null || className.length() == 0) {
- valid = false;
- ExternalToolsPlugin.getDefault().log("Missing expander class attribute value for variable element.", null); //$NON-NLS-1$
- }
-
- if (valid)
- variables.put(tag, newVariable(tag, description, element));
- }
- }
- }
- }
- }
-
- /**
- * Creates a new variable from the specified information.
- */
- protected abstract ExternalToolVariable newVariable(String tag, String description, IConfigurationElement element);
-}
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