plugins/org.eclipse.uml2.uml/src/org/eclipse/uml2/uml/UMLPlugin.java - uml2/org.eclipse.uml2 - Git at Google

 /*
  * Copyright (c) 2005, 2014 IBM Corporation, Embarcadero Technologies, CEA, and others.
  * All rights reserved.   This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  *   IBM - initial API and implementation
  *   Kenn Hussey (Embarcadero Technologies) - 215488
  *   Kenn Hussey (CEA) - 279044
  *   Christian W. Damus (CEA) - 401804
  *
  */
 package org.eclipse.uml2.uml;

 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Map;
 import java.util.Set;

 import org.eclipse.core.runtime.IConfigurationElement;
 import org.eclipse.core.runtime.IExtensionRegistry;
 import org.eclipse.core.runtime.Platform;

 import org.eclipse.emf.common.EMFPlugin;

 import org.eclipse.emf.common.util.ResourceLocator;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.plugin.EcorePlugin;
 import org.eclipse.emf.ecore.plugin.RegistryReader;
 import org.eclipse.emf.ecore.resource.URIConverter;
 import org.eclipse.uml2.uml.resource.UMLResource;
 import org.osgi.framework.BundleContext;

 /**
  * This is the central singleton for the UML model plugin.
  * <!-- begin-user-doc -->
  * <!-- end-user-doc -->
  * @generated
  */
 public final class UMLPlugin
 		extends EMFPlugin {

 	protected static class PackageRegistryReader
 			extends RegistryReader {

 		protected static final String TAG_PROFILE = "profile"; //$NON-NLS-1$

 		protected static final String ATT_URI = "uri"; //$NON-NLS-1$

 		protected static final String ATT_LOCATION = "location"; //$NON-NLS-1$

 		protected Map<String, URI> ePackageNsURIToProfileLocationMap;

 		protected PackageRegistryReader(IExtensionRegistry pluginRegistry,
 				String pluginID, String extensionPointID) {
 			super(pluginRegistry, pluginID, extensionPointID);
 		}

 		protected PackageRegistryReader(IExtensionRegistry pluginRegistry,
 				String pluginID, String extensionPointID,
 				Map<String, URI> ePackageNsURIToProfileLocationMap) {
 			this(pluginRegistry, pluginID, extensionPointID);

 			this.ePackageNsURIToProfileLocationMap = ePackageNsURIToProfileLocationMap;
 		}

 		@Override
 		protected boolean readElement(IConfigurationElement element, boolean add) {

 			if (element.getName().equals(TAG_PROFILE)) {
 				String uri = element.getAttribute(ATT_URI);

 				if (uri == null) {
 					logMissingAttribute(element, ATT_URI);
 				} else if (add) {

 					if (ePackageNsURIToProfileLocationMap != null) {
 						String location = element.getAttribute(ATT_LOCATION);

 						if (location != null) {
 							URI profileLocation = URI.createURI(location);

 							if (profileLocation.isRelative()) {
 								profileLocation = URI.createPlatformPluginURI(
 									element.getDeclaringExtension()
 										.getContributor().getName()
 										+ '/' + location, false);
 							}

 							ePackageNsURIToProfileLocationMap.put(uri,
 								profileLocation);
 						}
 					}

 					return true;
 				} else {
 					ePackageNsURIToProfileLocationMap.remove(uri);
 					return true;
 				}
 			}

 			return false;
 		}
 	}

 	protected static class GeneratedPackageRegistryReader
 			extends PackageRegistryReader {

 		protected GeneratedPackageRegistryReader() {
 			super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
 				.getSymbolicName(), GENERATED_PACKAGE_PPID);
 		}

 		protected GeneratedPackageRegistryReader(
 				Map<String, URI> ePackageNsURIToProfileLocationMap) {
 			super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
 				.getSymbolicName(), GENERATED_PACKAGE_PPID,
 				ePackageNsURIToProfileLocationMap);
 		}
 	}

 	protected static class DynamicPackageRegistryReader
 			extends PackageRegistryReader {

 		protected DynamicPackageRegistryReader() {
 			super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
 				.getSymbolicName(), DYNAMIC_PACKAGE_PPID);
 		}

 		protected DynamicPackageRegistryReader(
 				Map<String, URI> ePackageNsURIToProfileLocationMap) {
 			super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
 				.getSymbolicName(), DYNAMIC_PACKAGE_PPID,
 				ePackageNsURIToProfileLocationMap);
 		}
 	}

 	private static Map<String, URI> ePackageNsURIToProfileLocationMap;

 	public static Map<String, URI> getEPackageNsURIToProfileLocationMap() {

 		if (ePackageNsURIToProfileLocationMap == null) {
 			ePackageNsURIToProfileLocationMap = new HashMap<String, URI>();
 		}

 		return ePackageNsURIToProfileLocationMap;
 	}

 	protected static final String GENERATED_PACKAGE_PPID = "generated_package"; //$NON-NLS-1$

 	protected static final String DYNAMIC_PACKAGE_PPID = "dynamic_package"; //$NON-NLS-1$

 	/**
 	 * Keep track of the singleton.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public static final UMLPlugin INSTANCE = new UMLPlugin();

 	/**
 	 * Keep track of the singleton.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	private static Implementation plugin;

 	/**
 	 * Create the instance.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public UMLPlugin() {
 		super(new ResourceLocator[]{});
 	}

 	/**
 	 * Returns the singleton instance of the Eclipse plugin.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @return the singleton instance.
 	 * @generated
 	 */
 	@Override
 	public ResourceLocator getPluginResourceLocator() {
 		return plugin;
 	}

 	/**
 	 * Returns the singleton instance of the Eclipse plugin.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @return the singleton instance.
 	 * @generated
 	 */
 	public static Implementation getPlugin() {
 		return plugin;
 	}

 	/**
 	 * The actual implementation of the Eclipse <b>Plugin</b>.
 	 * <!-- begin-user-doc -->
 	 * <!-- end-user-doc -->
 	 * @generated
 	 */
 	public static class Implementation
 			extends EclipsePlugin {

 		/**
 		 * Creates an instance.
 		 * <!-- begin-user-doc -->
 		 * <!-- end-user-doc -->
 		 * @generated
 		 */
 		public Implementation() {
 			super();

 			// Remember the static instance.
 			//
 			plugin = this;
 		}

 		@Override
 		public void start(BundleContext context)
 				throws Exception {
 			super.start(context);

 			ExtensionProcessor.internalProcessExtensions();
 		}

 	}

 	/**
 	 * A utility for loading of <tt>plugin.xml</tt> extensions in a non-Eclipse
 	 * application.
 	 *
 	 * @see ExtensionProcessor#process(ClassLoader)
 	 * @since 5.0
 	 */
 	public static class ExtensionProcessor {

 		/**
 		 * Populate all Ecore and UML2 extensions points from
 		 * <tt>plugin.xml</tt> files on the classpath (or in the development
 		 * workspace, as appropriate). This method has no effect when the
 		 * Eclipse platform is running, as in that context bundle activation
 		 * takes care of these extensions points.
 		 *
 		 * @param classLoader
 		 *            an optional class-loader used to scan for
 		 *            <tt>plugin.xml</tt> files. If {@code null}, the current
 		 *            {@linkplain Thread#getContextClassLoader() context
 		 *            class-loader} will be used
 		 *
 		 * @since 5.0
 		 */
 		public static synchronized void process(ClassLoader classLoader) {
 			// Initialize the Ecore extensions that we rely on, which operation
 			// actually populates the Eclipse registry that we need to read
 			EcorePlugin.ExtensionProcessor.process(classLoader);

 			// Ensure that we only do this once, and then only in an
 			// Eclipse-free context
 			if ((ePackageNsURIToProfileLocationMap == null)
 				&& !EMFPlugin.IS_ECLIPSE_RUNNING) {

 				ePackageNsURIToProfileLocationMap = new HashMap<String, URI>();

 				internalProcessExtensions();
 				mapPlatformPluginURIs();
 			}
 		}

 		private static void internalProcessExtensions() {
 			new GeneratedPackageRegistryReader(
 				getEPackageNsURIToProfileLocationMap()).readRegistry();
 			new DynamicPackageRegistryReader(
 				getEPackageNsURIToProfileLocationMap()).readRegistry();
 		}

 		private static void mapPlatformPluginURIs() {
 			// The resources plug-in doesn't register any genmodels, so EMF will
 			// not automatically map its platform:/plugin/... URI to a location
 			// URI. Let's force the issue by asking EMF to map some
 			// representative URI that maps to the resources plug-in
 			Set<URI> umlResourceURIs = new HashSet<URI>();
 			umlResourceURIs.add(URIConverter.INSTANCE.normalize(URI
 				.createURI(UMLResource.LIBRARIES_PATHMAP)));

 			URIConverter.URI_MAP.putAll(EcorePlugin
 				.computePlatformResourceToPlatformPluginMap(umlResourceURIs));
 		}
 	}

 }
	/*
	* Copyright (c) 2005, 2014 IBM Corporation, Embarcadero Technologies, CEA, and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v1.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v10.html
	*
	* Contributors:
	* IBM - initial API and implementation
	* Kenn Hussey (Embarcadero Technologies) - 215488
	* Kenn Hussey (CEA) - 279044
	* Christian W. Damus (CEA) - 401804
	*
	*/
	package org.eclipse.uml2.uml;

	import java.util.HashMap;
	import java.util.HashSet;
	import java.util.Map;
	import java.util.Set;

	import org.eclipse.core.runtime.IConfigurationElement;
	import org.eclipse.core.runtime.IExtensionRegistry;
	import org.eclipse.core.runtime.Platform;

	import org.eclipse.emf.common.EMFPlugin;

	import org.eclipse.emf.common.util.ResourceLocator;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.plugin.EcorePlugin;
	import org.eclipse.emf.ecore.plugin.RegistryReader;
	import org.eclipse.emf.ecore.resource.URIConverter;
	import org.eclipse.uml2.uml.resource.UMLResource;
	import org.osgi.framework.BundleContext;

	/**
	* This is the central singleton for the UML model plugin.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public final class UMLPlugin
	extends EMFPlugin {

	protected static class PackageRegistryReader
	extends RegistryReader {

	protected static final String TAG_PROFILE = "profile"; //$NON-NLS-1$

	protected static final String ATT_URI = "uri"; //$NON-NLS-1$

	protected static final String ATT_LOCATION = "location"; //$NON-NLS-1$

	protected Map<String, URI> ePackageNsURIToProfileLocationMap;

	protected PackageRegistryReader(IExtensionRegistry pluginRegistry,
	String pluginID, String extensionPointID) {
	super(pluginRegistry, pluginID, extensionPointID);
	}

	protected PackageRegistryReader(IExtensionRegistry pluginRegistry,
	String pluginID, String extensionPointID,
	Map<String, URI> ePackageNsURIToProfileLocationMap) {
	this(pluginRegistry, pluginID, extensionPointID);

	this.ePackageNsURIToProfileLocationMap = ePackageNsURIToProfileLocationMap;
	}

	@Override
	protected boolean readElement(IConfigurationElement element, boolean add) {

	if (element.getName().equals(TAG_PROFILE)) {
	String uri = element.getAttribute(ATT_URI);

	if (uri == null) {
	logMissingAttribute(element, ATT_URI);
	} else if (add) {

	if (ePackageNsURIToProfileLocationMap != null) {
	String location = element.getAttribute(ATT_LOCATION);

	if (location != null) {
	URI profileLocation = URI.createURI(location);

	if (profileLocation.isRelative()) {
	profileLocation = URI.createPlatformPluginURI(
	element.getDeclaringExtension()
	.getContributor().getName()
	+ '/' + location, false);
	}

	ePackageNsURIToProfileLocationMap.put(uri,
	profileLocation);
	}
	}

	return true;
	} else {
	ePackageNsURIToProfileLocationMap.remove(uri);
	return true;
	}
	}

	return false;
	}
	}

	protected static class GeneratedPackageRegistryReader
	extends PackageRegistryReader {

	protected GeneratedPackageRegistryReader() {
	super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
	.getSymbolicName(), GENERATED_PACKAGE_PPID);
	}

	protected GeneratedPackageRegistryReader(
	Map<String, URI> ePackageNsURIToProfileLocationMap) {
	super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
	.getSymbolicName(), GENERATED_PACKAGE_PPID,
	ePackageNsURIToProfileLocationMap);
	}
	}

	protected static class DynamicPackageRegistryReader
	extends PackageRegistryReader {

	protected DynamicPackageRegistryReader() {
	super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
	.getSymbolicName(), DYNAMIC_PACKAGE_PPID);
	}

	protected DynamicPackageRegistryReader(
	Map<String, URI> ePackageNsURIToProfileLocationMap) {
	super(Platform.getExtensionRegistry(), UMLPlugin.INSTANCE
	.getSymbolicName(), DYNAMIC_PACKAGE_PPID,
	ePackageNsURIToProfileLocationMap);
	}
	}

	private static Map<String, URI> ePackageNsURIToProfileLocationMap;

	public static Map<String, URI> getEPackageNsURIToProfileLocationMap() {

	if (ePackageNsURIToProfileLocationMap == null) {
	ePackageNsURIToProfileLocationMap = new HashMap<String, URI>();
	}

	return ePackageNsURIToProfileLocationMap;
	}

	protected static final String GENERATED_PACKAGE_PPID = "generated_package"; //$NON-NLS-1$

	protected static final String DYNAMIC_PACKAGE_PPID = "dynamic_package"; //$NON-NLS-1$

	/**
	* Keep track of the singleton.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public static final UMLPlugin INSTANCE = new UMLPlugin();

	/**
	* Keep track of the singleton.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	private static Implementation plugin;

	/**
	* Create the instance.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public UMLPlugin() {
	super(new ResourceLocator[]{});
	}

	/**
	* Returns the singleton instance of the Eclipse plugin.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @return the singleton instance.
	* @generated
	*/
	@Override
	public ResourceLocator getPluginResourceLocator() {
	return plugin;
	}

	/**
	* Returns the singleton instance of the Eclipse plugin.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @return the singleton instance.
	* @generated
	*/
	public static Implementation getPlugin() {
	return plugin;
	}

	/**
	* The actual implementation of the Eclipse <b>Plugin</b>.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public static class Implementation
	extends EclipsePlugin {

	/**
	* Creates an instance.
	* <!-- begin-user-doc -->
	* <!-- end-user-doc -->
	* @generated
	*/
	public Implementation() {
	super();

	// Remember the static instance.
	//
	plugin = this;
	}

	@Override
	public void start(BundleContext context)
	throws Exception {
	super.start(context);

	ExtensionProcessor.internalProcessExtensions();
	}

	}

	/**
	* A utility for loading of <tt>plugin.xml</tt> extensions in a non-Eclipse
	* application.
	*
	* @see ExtensionProcessor#process(ClassLoader)
	* @since 5.0
	*/
	public static class ExtensionProcessor {

	/**
	* Populate all Ecore and UML2 extensions points from
	* <tt>plugin.xml</tt> files on the classpath (or in the development
	* workspace, as appropriate). This method has no effect when the
	* Eclipse platform is running, as in that context bundle activation
	* takes care of these extensions points.
	*
	* @param classLoader
	* an optional class-loader used to scan for
	* <tt>plugin.xml</tt> files. If {@code null}, the current
	* {@linkplain Thread#getContextClassLoader() context
	* class-loader} will be used
	*
	* @since 5.0
	*/
	public static synchronized void process(ClassLoader classLoader) {
	// Initialize the Ecore extensions that we rely on, which operation
	// actually populates the Eclipse registry that we need to read
	EcorePlugin.ExtensionProcessor.process(classLoader);

	// Ensure that we only do this once, and then only in an
	// Eclipse-free context
	if ((ePackageNsURIToProfileLocationMap == null)
	&& !EMFPlugin.IS_ECLIPSE_RUNNING) {

	ePackageNsURIToProfileLocationMap = new HashMap<String, URI>();

	internalProcessExtensions();
	mapPlatformPluginURIs();
	}
	}

	private static void internalProcessExtensions() {
	new GeneratedPackageRegistryReader(
	getEPackageNsURIToProfileLocationMap()).readRegistry();
	new DynamicPackageRegistryReader(
	getEPackageNsURIToProfileLocationMap()).readRegistry();
	}

	private static void mapPlatformPluginURIs() {
	// The resources plug-in doesn't register any genmodels, so EMF will
	// not automatically map its platform:/plugin/... URI to a location
	// URI. Let's force the issue by asking EMF to map some
	// representative URI that maps to the resources plug-in
	Set<URI> umlResourceURIs = new HashSet<URI>();
	umlResourceURIs.add(URIConverter.INSTANCE.normalize(URI
	.createURI(UMLResource.LIBRARIES_PATHMAP)));

	URIConverter.URI_MAP.putAll(EcorePlugin
	.computePlatformResourceToPlatformPluginMap(umlResourceURIs));
	}
	}

	}