plugins/org.eclipse.uml2.uml.resources/src/org/eclipse/uml2/uml/resources/util/UMLResourcesUtil.java - uml2/org.eclipse.uml2 - Git at Google

 /*
  * Copyright (c) 2012, 2018 CEA, Obeo, and others.
  * All rights reserved.   This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v20.html
  *
  * Contributors:
  *   Kenn Hussey (CEA) - initial API and implementation
  *   Kenn Hussey (CEA) - 389542, 399544, 425846, 418466, 429352
  *   Mikael Barbero (Obeo) - 414572
  *   Christian W. Damus (CEA) - 414572, 401682
  *   Kenn Hussey - 526217, 539580, 535301
  */
 package org.eclipse.uml2.uml.resources.util;

 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.EPackage;
 import org.eclipse.emf.ecore.EcorePackage;
 import org.eclipse.emf.ecore.resource.ContentHandler;
 import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.resource.URIConverter;
 import org.eclipse.emf.ecore.xmi.impl.RootXMLContentHandlerImpl;
 import org.eclipse.emf.ecore.xmi.impl.XMLContentHandlerImpl;
 import org.eclipse.uml2.types.TypesPackage;
 import org.eclipse.uml2.uml.UMLPackage;
 import org.eclipse.uml2.uml.UMLPlugin;
 import org.eclipse.uml2.uml.profile.standard.StandardPackage;
 import org.eclipse.uml2.uml.resource.CMOF2UMLResource;
 import org.eclipse.uml2.uml.resource.UML212UMLResource;
 import org.eclipse.uml2.uml.resource.UML22UMLResource;
 import org.eclipse.uml2.uml.resource.UML302UMLResource;
 import org.eclipse.uml2.uml.resource.UML402UMLResource;
 import org.eclipse.uml2.uml.resource.UMLResource;
 import org.eclipse.uml2.uml.resource.XMI2UMLResource;
 import org.eclipse.uml2.uml.resources.ResourcesPlugin;
 import org.eclipse.uml2.uml.util.UMLUtil;

 /**
  * @since 4.0
  */
 public class UMLResourcesUtil
 		extends UMLUtil {

 	private static final ContentHandler XMI_CONTENT_HANDLER = new XMLContentHandlerImpl.XMI();

 	private static final ContentHandler UML2_1_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UML22UMLResource.UML2_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UML22UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		UML22UMLResource.UML2_METAMODEL_NS_URI, null);

 	private static final ContentHandler UML2_2_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UMLResource.UML_2_0_0_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND, UML2_UML_PACKAGE_2_0_NS_URI, null);

 	private static final ContentHandler UML2_2_1_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UMLResource.UML_2_1_0_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		UML212UMLResource.UML_METAMODEL_NS_URI, null);

 	private static final ContentHandler UML2_3_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UMLResource.UML_3_0_0_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		UML302UMLResource.UML_METAMODEL_NS_URI, null);

 	private static final ContentHandler UML2_4_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UMLResource.UML_4_0_0_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		UML402UMLResource.UML_METAMODEL_NS_URI, null);

 	private static final ContentHandler UML2_5_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		UMLResource.UML_5_0_0_CONTENT_TYPE_IDENTIFIER,
 		new String[]{UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND, UMLPackage.eNS_URI, null);

 	private static final ContentHandler OMG_2_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_1_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_1_NS_URI, null);

 	private static final ContentHandler OMG_2_1_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_1_1_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_1_1_NS_URI, null);

 	private static final ContentHandler OMG_2_2_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_2_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_2_NS_URI, null);

 	private static final ContentHandler OMG_2_4_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_4_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_4_NS_URI, null);

 	private static final ContentHandler OMG_2_4_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_4_1_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_4_1_NS_URI, null);

 	private static final ContentHandler OMG_2_5_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		XMI2UMLResource.UML_2_5_CONTENT_TYPE_IDENTIFIER,
 		new String[]{XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		XMI2UMLResource.UML_METAMODEL_2_5_NS_URI, null);

 	private static final ContentHandler CMOF_2_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		CMOF2UMLResource.CMOF_2_0_CONTENT_TYPE_IDENTIFIER, new String[]{
 			CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		CMOF2UMLResource.CMOF_2_0_METAMODEL_NS_URI, null);

 	private static final ContentHandler CMOF_2_4_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		CMOF2UMLResource.CMOF_2_4_CONTENT_TYPE_IDENTIFIER, new String[]{
 			CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		CMOF2UMLResource.CMOF_2_4_METAMODEL_NS_URI, null);

 	private static final ContentHandler CMOF_2_4_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		CMOF2UMLResource.CMOF_2_4_1_CONTENT_TYPE_IDENTIFIER, new String[]{
 			CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		CMOF2UMLResource.CMOF_2_4_1_METAMODEL_NS_URI, null);

 	private static final ContentHandler CMOF_2_5_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
 		CMOF2UMLResource.CMOF_2_5_CONTENT_TYPE_IDENTIFIER, new String[]{
 			CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
 		RootXMLContentHandlerImpl.XMI_KIND,
 		CMOF2UMLResource.CMOF_2_5_METAMODEL_NS_URI, null);

 	/**
 	 * Adds registrations to EMF's and UML2's global registries that enable
 	 * working with UML models. To apply the same registrations only locally on
 	 * a resource set (e.g., for isolation from other EMF-based code in the same
 	 * class loader), use the {@link #initLocalRegistries(ResourceSet)} method,
 	 * instead.
 	 *
 	 * @see #initLocalRegistries(ResourceSet)
 	 *
 	 * @since 5.0
 	 */
 	public static void initGlobalRegistries() {
 		initPackageRegistry(EPackage.Registry.INSTANCE);
 		initEPackageNsURIToProfileLocationMap(UMLPlugin
 			.getEPackageNsURIToProfileLocationMap());
 		initURIConverterURIMap(URIConverter.URI_MAP);
 		initContentHandlerRegistry(ContentHandler.Registry.INSTANCE);
 		initResourceFactoryRegistry(Resource.Factory.Registry.INSTANCE);
 	}

 	/**
 	 * Adds registrations to a resource set's local registries that enable
 	 * working with UML models in that resource set.
 	 *
 	 * @see #initPackageRegistry(org.eclipse.emf.ecore.EPackage.Registry)
 	 * @see #initResourceFactoryRegistry(org.eclipse.emf.ecore.resource.Resource.Factory.Registry)
 	 * @see #initContentHandlerRegistry(org.eclipse.emf.ecore.resource.ContentHandler.Registry)
 	 * @see #initURIConverterURIMap(Map)
 	 * @see #initEPackageNsURIToProfileLocationMap(Map)
 	 *
 	 * @since 5.0
 	 */
 	public static void initLocalRegistries(ResourceSet resourceSet) {
 		initPackageRegistry(resourceSet.getPackageRegistry());

 		// there is no local registry for this
 		initEPackageNsURIToProfileLocationMap(UMLPlugin
 			.getEPackageNsURIToProfileLocationMap());

 		initURIConverterURIMap(resourceSet.getURIConverter().getURIMap());

 		// there is no local registry for this
 		initContentHandlerRegistry(ContentHandler.Registry.INSTANCE);

 		initResourceFactoryRegistry(resourceSet.getResourceFactoryRegistry());
 	}

 	/**
 	 * <p>
 	 * Initializes the global registries and, if provided, the local registries
 	 * for the specified resource set, with the registrations needed to work
 	 * with UML2 resources in stand-alone mode (i.e., without Eclipse).
 	 * </p>
 	 * <p>
 	 * <string>Note</string> that as of the 5.0 release, clients now have more
 	 * fine-grained control over which registries (local or global) are
 	 * initialized. Clients are encouraged to use these new APIs to ensure
 	 * optimal behaviour and, where necessary, isolation from other code in the
 	 * same class loader using the global registries.
 	 * </p>
 	 *
 	 * @param resourceSet
 	 *            The resource set whose local registries to initialize, or
 	 *            <code>null</code> to perform only global registrations.
 	 * @return The resource set (or <code>null</code>).
 	 *
 	 * @since 4.0
 	 *
 	 * @see #initLocalRegistries(ResourceSet)
 	 * @see #initGlobalRegistries()
 	 */
 	public static ResourceSet init(ResourceSet resourceSet) {
 		initGlobalRegistries();
 		return UMLUtil.init(resourceSet);
 	}

 	/**
 	 * Adds packages required for working with UML models to the specified
 	 * registry.
 	 *
 	 * @param packageRegistry
 	 *            a package registry, perhaps local to a resource set or perhaps
 	 *            the global registry
 	 *
 	 * @return the same {@code packageRegistry}
 	 *
 	 * @since 5.0
 	 */
 	public static EPackage.Registry initPackageRegistry(
 			EPackage.Registry packageRegistry) {
 		packageRegistry.put(EcorePackage.eNS_URI, EcorePackage.eINSTANCE);

 		packageRegistry.put(UML2_TYPES_PACKAGE_4_0_NS_URI,
 			TypesPackage.eINSTANCE);

 		packageRegistry.put(TypesPackage.eNS_URI, TypesPackage.eINSTANCE);

 		packageRegistry.put(UML2_UML_PACKAGE_2_0_NS_URI, UMLPackage.eINSTANCE);

 		packageRegistry.put(UML212UMLResource.UML_METAMODEL_NS_URI,
 			UMLPackage.eINSTANCE);

 		packageRegistry.put(UML302UMLResource.UML_METAMODEL_NS_URI,
 			UMLPackage.eINSTANCE);

 		packageRegistry.put(UML402UMLResource.UML_METAMODEL_NS_URI,
 			UMLPackage.eINSTANCE);

 		packageRegistry.put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);

 		packageRegistry.put(UML212UMLResource.STANDARD_PROFILE_NS_URI,
 			StandardPackage.eINSTANCE);

 		packageRegistry.put(UML402UMLResource.STANDARD_L2_PROFILE_NS_URI,
 			StandardPackage.eINSTANCE);
 		packageRegistry.put(UML402UMLResource.STANDARD_L3_PROFILE_NS_URI,
 			StandardPackage.eINSTANCE);

 		packageRegistry.put(StandardPackage.eNS_URI, StandardPackage.eINSTANCE);

 		return packageRegistry;
 	}

 	/**
 	 * Adds resource factories required for working with UML models to the
 	 * specified registry.
 	 *
 	 * @param resourceFactoryRegistry
 	 *            a resource-factory registry, perhaps local to a resource set
 	 *            or perhaps the global registry
 	 *
 	 * @return the same {@code resourceFactoryRegistry}
 	 *
 	 * @since 5.0
 	 */
 	public static Resource.Factory.Registry initResourceFactoryRegistry(
 			Resource.Factory.Registry resourceFactoryRegistry) {
 		Map<String, Object> extensionToFactoryMap = resourceFactoryRegistry
 			.getExtensionToFactoryMap();
 		extensionToFactoryMap.put(UMLResource.FILE_EXTENSION,
 			UMLResource.Factory.INSTANCE);

 		Map<String, Object> contentTypeToFactoryMap = resourceFactoryRegistry
 			.getContentTypeToFactoryMap();
 		contentTypeToFactoryMap.put(UMLResource.UML_CONTENT_TYPE_IDENTIFIER,
 			UMLResource.Factory.INSTANCE);

 		return resourceFactoryRegistry;
 	}

 	/**
 	 * Adds content-type handlers required for working with UML models to the
 	 * specified registry.
 	 *
 	 * @param contentHandlerRegistry
 	 *            a content-type handler registry, perhaps local to a resource
 	 *            set or perhaps the global registry
 	 *
 	 * @return the same {@code contentHandlerRegistry}
 	 *
 	 * @since 5.0
 	 */
 	public static ContentHandler.Registry initContentHandlerRegistry(
 			ContentHandler.Registry contentHandlerRegistry) {
 		List<ContentHandler> contentHandlers = contentHandlerRegistry
 			.get(ContentHandler.Registry.LOW_PRIORITY);

 		if (contentHandlers == null
 			|| !contentHandlers.contains(XMI_CONTENT_HANDLER)) {

 			contentHandlerRegistry.put(ContentHandler.Registry.LOW_PRIORITY,
 				XMI_CONTENT_HANDLER);
 		}

 		contentHandlers = contentHandlerRegistry
 			.get(ContentHandler.Registry.NORMAL_PRIORITY);

 		if (contentHandlers == null) {
 			contentHandlerRegistry.put(ContentHandler.Registry.NORMAL_PRIORITY,
 				contentHandlers = new ArrayList<ContentHandler>());
 		}

 		if (!contentHandlers.contains(UML2_5_0_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_5_0_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(UML2_4_0_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_4_0_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(UML2_3_0_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_3_0_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(UML2_2_1_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_2_1_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(UML2_2_0_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_2_0_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(UML2_1_0_0_CONTENT_HANDLER)) {
 			contentHandlers.add(UML2_1_0_0_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_5_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_5_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_4_1_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_4_1_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_4_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_4_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_2_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_2_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_1_1_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_1_1_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(OMG_2_1_CONTENT_HANDLER)) {
 			contentHandlers.add(OMG_2_1_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(CMOF_2_5_CONTENT_HANDLER)) {
 			contentHandlers.add(CMOF_2_5_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(CMOF_2_4_1_CONTENT_HANDLER)) {
 			contentHandlers.add(CMOF_2_4_1_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(CMOF_2_4_CONTENT_HANDLER)) {
 			contentHandlers.add(CMOF_2_4_CONTENT_HANDLER);
 		}

 		if (!contentHandlers.contains(CMOF_2_0_CONTENT_HANDLER)) {
 			contentHandlers.add(CMOF_2_0_CONTENT_HANDLER);
 		}

 		return contentHandlerRegistry;
 	}

 	/**
 	 * Adds resource URI mappings required for working with UML models to the
 	 * specified map. These include at least mappings for the UML2-provided
 	 * model libraries, metamodels, and profiles.
 	 *
 	 * @param uriMap
 	 *            a URI map, perhaps local to a resource set or perhaps the
 	 *            global URI map
 	 *
 	 * @return the same {@code uriMap}
 	 *
 	 * @since 5.0
 	 */
 	public static Map<URI, URI> initURIConverterURIMap(Map<URI, URI> uriMap) {
 		URI umlURI = getBaseUMLURI();
 		mapURIs(uriMap, "platform:/plugin/org.eclipse.uml2.uml/model/", //$NON-NLS-1$
 			umlURI.appendSegment("model"), "org.eclipse.uml2.uml"); //$NON-NLS-1$ //$NON-NLS-2$

 		URI umlResourcesURI = getBaseUMLResourcesURI();
 		mapURIs(uriMap, UMLResource.METAMODELS_PATHMAP,
 			umlResourcesURI.appendSegment("metamodels"), //$NON-NLS-1$
 			ResourcesPlugin.PLUGIN_ID);
 		mapURIs(uriMap, UMLResource.PROFILES_PATHMAP,
 			umlResourcesURI.appendSegment("profiles"), //$NON-NLS-1$
 			ResourcesPlugin.PLUGIN_ID);
 		mapURIs(uriMap, UMLResource.LIBRARIES_PATHMAP,
 			umlResourcesURI.appendSegment("libraries"), //$NON-NLS-1$
 			ResourcesPlugin.PLUGIN_ID);

 		return uriMap;
 	}

 	/**
 	 * Adds profile namespace URI mappings required for working with UML models
 	 * to the specified map. These include at least mappings for the
 	 * UML2-provided profiles.
 	 *
 	 * @param ePackageNsURIToProfileLocationMap
 	 *            a profile location map, perhaps local to a resource set or
 	 *            perhaps the global location map
 	 *
 	 * @return the same {@code ePackageNsURIToProfileLocationMap}
 	 *
 	 * @since 5.0
 	 */
 	public static Map<String, URI> initEPackageNsURIToProfileLocationMap(
 			Map<String, URI> ePackageNsURIToProfileLocationMap) {
 		ePackageNsURIToProfileLocationMap.put(StandardPackage.eNS_URI,
 			URI.createURI("pathmap://UML_PROFILES/Standard.profile.uml#_0")); //$NON-NLS-1$

 		ePackageNsURIToProfileLocationMap.put(UMLResource.ECORE_PROFILE_NS_URI,
 			URI.createURI("pathmap://UML_PROFILES/Ecore.profile.uml#_0")); //$NON-NLS-1$

 		ePackageNsURIToProfileLocationMap.put(UMLResource.UML2_PROFILE_NS_URI,
 			URI.createURI("pathmap://UML_PROFILES/UML2.profile.uml#_0")); //$NON-NLS-1$

 		return ePackageNsURIToProfileLocationMap;
 	}

 	private static URI getBaseUMLURI() {
 		URL resultURL = UMLUtil.class.getClassLoader()
 			.getResource(String.format("model/%s", "UML.ecore")); //$NON-NLS-1$ //$NON-NLS-2$

 		URI result;

 		if (resultURL != null) {
 			// remove the /model/UML.ecore segments of the resource
 			// we found
 			result = URI.createURI(resultURL.toExternalForm(), true)
 				.trimSegments(2);
 		} else {
 			// probably, we're not running with JARs, so assume the source
 			// project folder layout
 			resultURL = UMLUtil.class.getResource("UMLUtil.class"); //$NON-NLS-1$

 			String baseURL = resultURL.toExternalForm();

 			int index = baseURL.lastIndexOf("/bin/"); //$NON-NLS-1$

 			if (index != -1) {
 				baseURL = baseURL.substring(0, index);
 			}

 			result = URI.createURI(baseURL, true);
 		}

 		return result;
 	}

 	private static URI getBaseUMLResourcesURI() {
 		URI umlMetamodel = URI.createURI(UMLResource.UML_METAMODEL_URI);
 		URL resultURL = UMLResourcesUtil.class.getClassLoader().getResource(
 			String.format("metamodels/%s", umlMetamodel.lastSegment())); //$NON-NLS-1$

 		URI result;

 		if (resultURL != null) {
 			// remove the /metamodel/UML.metamodel.uml segments of the resource
 			// we found
 			result = URI.createURI(resultURL.toExternalForm(), true)
 				.trimSegments(2);
 		} else {
 			// probably, we're not running with JARs, so assume the source
 			// project folder layout
 			resultURL = UMLResourcesUtil.class
 				.getResource("UMLResourcesUtil.class"); //$NON-NLS-1$

 			String baseURL = resultURL.toExternalForm();

 			int index = baseURL.lastIndexOf("/bin/"); //$NON-NLS-1$

 			if (index != -1) {
 				baseURL = baseURL.substring(0, index);
 			}

 			result = URI.createURI(baseURL, true);
 		}

 		return result;
 	}

 	private static void mapURIs(Map<URI, URI> uriMap, String uri, URI location,
 			String pluginID) {

 		URI prefix = URI.createURI(uri);

 		// ensure trailing separator (make it a "URI prefix")
 		if (!prefix.hasTrailingPathSeparator()) {
 			prefix = prefix.appendSegment(""); //$NON-NLS-1$
 		}

 		// same with the location
 		if (!location.hasTrailingPathSeparator()) {
 			location = location.appendSegment(""); //$NON-NLS-1$
 		}

 		uriMap.put(prefix, location);

 		// and platform URIs, too
 		String folder = location.segment(location.segmentCount() - 2);
 		String platformURI = String.format("%s/%s/", //$NON-NLS-1$
 			pluginID, folder);
 		uriMap.put(URI.createPlatformPluginURI(platformURI, true), location);
 		uriMap.put(URI.createPlatformResourceURI(platformURI, true), location);
 	}
 }
	/*
	* Copyright (c) 2012, 2018 CEA, Obeo, and others.
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v2.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v20.html
	*
	* Contributors:
	* Kenn Hussey (CEA) - initial API and implementation
	* Kenn Hussey (CEA) - 389542, 399544, 425846, 418466, 429352
	* Mikael Barbero (Obeo) - 414572
	* Christian W. Damus (CEA) - 414572, 401682
	* Kenn Hussey - 526217, 539580, 535301
	*/
	package org.eclipse.uml2.uml.resources.util;

	import java.net.URL;
	import java.util.ArrayList;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.EPackage;
	import org.eclipse.emf.ecore.EcorePackage;
	import org.eclipse.emf.ecore.resource.ContentHandler;
	import org.eclipse.emf.ecore.resource.Resource;
	import org.eclipse.emf.ecore.resource.ResourceSet;
	import org.eclipse.emf.ecore.resource.URIConverter;
	import org.eclipse.emf.ecore.xmi.impl.RootXMLContentHandlerImpl;
	import org.eclipse.emf.ecore.xmi.impl.XMLContentHandlerImpl;
	import org.eclipse.uml2.types.TypesPackage;
	import org.eclipse.uml2.uml.UMLPackage;
	import org.eclipse.uml2.uml.UMLPlugin;
	import org.eclipse.uml2.uml.profile.standard.StandardPackage;
	import org.eclipse.uml2.uml.resource.CMOF2UMLResource;
	import org.eclipse.uml2.uml.resource.UML212UMLResource;
	import org.eclipse.uml2.uml.resource.UML22UMLResource;
	import org.eclipse.uml2.uml.resource.UML302UMLResource;
	import org.eclipse.uml2.uml.resource.UML402UMLResource;
	import org.eclipse.uml2.uml.resource.UMLResource;
	import org.eclipse.uml2.uml.resource.XMI2UMLResource;
	import org.eclipse.uml2.uml.resources.ResourcesPlugin;
	import org.eclipse.uml2.uml.util.UMLUtil;

	/**
	* @since 4.0
	*/
	public class UMLResourcesUtil
	extends UMLUtil {

	private static final ContentHandler XMI_CONTENT_HANDLER = new XMLContentHandlerImpl.XMI();

	private static final ContentHandler UML2_1_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UML22UMLResource.UML2_CONTENT_TYPE_IDENTIFIER,
	new String[]{UML22UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	UML22UMLResource.UML2_METAMODEL_NS_URI, null);

	private static final ContentHandler UML2_2_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UMLResource.UML_2_0_0_CONTENT_TYPE_IDENTIFIER,
	new String[]{UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND, UML2_UML_PACKAGE_2_0_NS_URI, null);

	private static final ContentHandler UML2_2_1_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UMLResource.UML_2_1_0_CONTENT_TYPE_IDENTIFIER,
	new String[]{UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	UML212UMLResource.UML_METAMODEL_NS_URI, null);

	private static final ContentHandler UML2_3_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UMLResource.UML_3_0_0_CONTENT_TYPE_IDENTIFIER,
	new String[]{UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	UML302UMLResource.UML_METAMODEL_NS_URI, null);

	private static final ContentHandler UML2_4_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UMLResource.UML_4_0_0_CONTENT_TYPE_IDENTIFIER,
	new String[]{UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	UML402UMLResource.UML_METAMODEL_NS_URI, null);

	private static final ContentHandler UML2_5_0_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	UMLResource.UML_5_0_0_CONTENT_TYPE_IDENTIFIER,
	new String[]{UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND, UMLPackage.eNS_URI, null);

	private static final ContentHandler OMG_2_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_1_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_1_NS_URI, null);

	private static final ContentHandler OMG_2_1_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_1_1_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_1_1_NS_URI, null);

	private static final ContentHandler OMG_2_2_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_2_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_2_NS_URI, null);

	private static final ContentHandler OMG_2_4_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_4_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_4_NS_URI, null);

	private static final ContentHandler OMG_2_4_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_4_1_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_4_1_NS_URI, null);

	private static final ContentHandler OMG_2_5_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	XMI2UMLResource.UML_2_5_CONTENT_TYPE_IDENTIFIER,
	new String[]{XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	XMI2UMLResource.UML_METAMODEL_2_5_NS_URI, null);

	private static final ContentHandler CMOF_2_0_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	CMOF2UMLResource.CMOF_2_0_CONTENT_TYPE_IDENTIFIER, new String[]{
	CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	CMOF2UMLResource.CMOF_2_0_METAMODEL_NS_URI, null);

	private static final ContentHandler CMOF_2_4_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	CMOF2UMLResource.CMOF_2_4_CONTENT_TYPE_IDENTIFIER, new String[]{
	CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	CMOF2UMLResource.CMOF_2_4_METAMODEL_NS_URI, null);

	private static final ContentHandler CMOF_2_4_1_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	CMOF2UMLResource.CMOF_2_4_1_CONTENT_TYPE_IDENTIFIER, new String[]{
	CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	CMOF2UMLResource.CMOF_2_4_1_METAMODEL_NS_URI, null);

	private static final ContentHandler CMOF_2_5_CONTENT_HANDLER = new RootXMLContentHandlerImpl(
	CMOF2UMLResource.CMOF_2_5_CONTENT_TYPE_IDENTIFIER, new String[]{
	CMOF2UMLResource.FILE_EXTENSION, XMI2UMLResource.FILE_EXTENSION},
	RootXMLContentHandlerImpl.XMI_KIND,
	CMOF2UMLResource.CMOF_2_5_METAMODEL_NS_URI, null);

	/**
	* Adds registrations to EMF's and UML2's global registries that enable
	* working with UML models. To apply the same registrations only locally on
	* a resource set (e.g., for isolation from other EMF-based code in the same
	* class loader), use the {@link #initLocalRegistries(ResourceSet)} method,
	* instead.
	*
	* @see #initLocalRegistries(ResourceSet)
	*
	* @since 5.0
	*/
	public static void initGlobalRegistries() {
	initPackageRegistry(EPackage.Registry.INSTANCE);
	initEPackageNsURIToProfileLocationMap(UMLPlugin
	.getEPackageNsURIToProfileLocationMap());
	initURIConverterURIMap(URIConverter.URI_MAP);
	initContentHandlerRegistry(ContentHandler.Registry.INSTANCE);
	initResourceFactoryRegistry(Resource.Factory.Registry.INSTANCE);
	}

	/**
	* Adds registrations to a resource set's local registries that enable
	* working with UML models in that resource set.
	*
	* @see #initPackageRegistry(org.eclipse.emf.ecore.EPackage.Registry)
	* @see #initResourceFactoryRegistry(org.eclipse.emf.ecore.resource.Resource.Factory.Registry)
	* @see #initContentHandlerRegistry(org.eclipse.emf.ecore.resource.ContentHandler.Registry)
	* @see #initURIConverterURIMap(Map)
	* @see #initEPackageNsURIToProfileLocationMap(Map)
	*
	* @since 5.0
	*/
	public static void initLocalRegistries(ResourceSet resourceSet) {
	initPackageRegistry(resourceSet.getPackageRegistry());

	// there is no local registry for this
	initEPackageNsURIToProfileLocationMap(UMLPlugin
	.getEPackageNsURIToProfileLocationMap());

	initURIConverterURIMap(resourceSet.getURIConverter().getURIMap());

	// there is no local registry for this
	initContentHandlerRegistry(ContentHandler.Registry.INSTANCE);

	initResourceFactoryRegistry(resourceSet.getResourceFactoryRegistry());
	}

	/**
	* <p>
	* Initializes the global registries and, if provided, the local registries
	* for the specified resource set, with the registrations needed to work
	* with UML2 resources in stand-alone mode (i.e., without Eclipse).
	* </p>
	* <p>
	* <string>Note</string> that as of the 5.0 release, clients now have more
	* fine-grained control over which registries (local or global) are
	* initialized. Clients are encouraged to use these new APIs to ensure
	* optimal behaviour and, where necessary, isolation from other code in the
	* same class loader using the global registries.
	* </p>
	*
	* @param resourceSet
	* The resource set whose local registries to initialize, or
	* <code>null</code> to perform only global registrations.
	* @return The resource set (or <code>null</code>).
	*
	* @since 4.0
	*
	* @see #initLocalRegistries(ResourceSet)
	* @see #initGlobalRegistries()
	*/
	public static ResourceSet init(ResourceSet resourceSet) {
	initGlobalRegistries();
	return UMLUtil.init(resourceSet);
	}

	/**
	* Adds packages required for working with UML models to the specified
	* registry.
	*
	* @param packageRegistry
	* a package registry, perhaps local to a resource set or perhaps
	* the global registry
	*
	* @return the same {@code packageRegistry}
	*
	* @since 5.0
	*/
	public static EPackage.Registry initPackageRegistry(
	EPackage.Registry packageRegistry) {
	packageRegistry.put(EcorePackage.eNS_URI, EcorePackage.eINSTANCE);

	packageRegistry.put(UML2_TYPES_PACKAGE_4_0_NS_URI,
	TypesPackage.eINSTANCE);

	packageRegistry.put(TypesPackage.eNS_URI, TypesPackage.eINSTANCE);

	packageRegistry.put(UML2_UML_PACKAGE_2_0_NS_URI, UMLPackage.eINSTANCE);

	packageRegistry.put(UML212UMLResource.UML_METAMODEL_NS_URI,
	UMLPackage.eINSTANCE);

	packageRegistry.put(UML302UMLResource.UML_METAMODEL_NS_URI,
	UMLPackage.eINSTANCE);

	packageRegistry.put(UML402UMLResource.UML_METAMODEL_NS_URI,
	UMLPackage.eINSTANCE);

	packageRegistry.put(UMLPackage.eNS_URI, UMLPackage.eINSTANCE);

	packageRegistry.put(UML212UMLResource.STANDARD_PROFILE_NS_URI,
	StandardPackage.eINSTANCE);

	packageRegistry.put(UML402UMLResource.STANDARD_L2_PROFILE_NS_URI,
	StandardPackage.eINSTANCE);
	packageRegistry.put(UML402UMLResource.STANDARD_L3_PROFILE_NS_URI,
	StandardPackage.eINSTANCE);

	packageRegistry.put(StandardPackage.eNS_URI, StandardPackage.eINSTANCE);

	return packageRegistry;
	}

	/**
	* Adds resource factories required for working with UML models to the
	* specified registry.
	*
	* @param resourceFactoryRegistry
	* a resource-factory registry, perhaps local to a resource set
	* or perhaps the global registry
	*
	* @return the same {@code resourceFactoryRegistry}
	*
	* @since 5.0
	*/
	public static Resource.Factory.Registry initResourceFactoryRegistry(
	Resource.Factory.Registry resourceFactoryRegistry) {
	Map<String, Object> extensionToFactoryMap = resourceFactoryRegistry
	.getExtensionToFactoryMap();
	extensionToFactoryMap.put(UMLResource.FILE_EXTENSION,
	UMLResource.Factory.INSTANCE);

	Map<String, Object> contentTypeToFactoryMap = resourceFactoryRegistry
	.getContentTypeToFactoryMap();
	contentTypeToFactoryMap.put(UMLResource.UML_CONTENT_TYPE_IDENTIFIER,
	UMLResource.Factory.INSTANCE);

	return resourceFactoryRegistry;
	}

	/**
	* Adds content-type handlers required for working with UML models to the
	* specified registry.
	*
	* @param contentHandlerRegistry
	* a content-type handler registry, perhaps local to a resource
	* set or perhaps the global registry
	*
	* @return the same {@code contentHandlerRegistry}
	*
	* @since 5.0
	*/
	public static ContentHandler.Registry initContentHandlerRegistry(
	ContentHandler.Registry contentHandlerRegistry) {
	List<ContentHandler> contentHandlers = contentHandlerRegistry
	.get(ContentHandler.Registry.LOW_PRIORITY);

	if (contentHandlers == null
	\|\| !contentHandlers.contains(XMI_CONTENT_HANDLER)) {

	contentHandlerRegistry.put(ContentHandler.Registry.LOW_PRIORITY,
	XMI_CONTENT_HANDLER);
	}

	contentHandlers = contentHandlerRegistry
	.get(ContentHandler.Registry.NORMAL_PRIORITY);

	if (contentHandlers == null) {
	contentHandlerRegistry.put(ContentHandler.Registry.NORMAL_PRIORITY,
	contentHandlers = new ArrayList<ContentHandler>());
	}

	if (!contentHandlers.contains(UML2_5_0_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_5_0_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(UML2_4_0_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_4_0_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(UML2_3_0_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_3_0_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(UML2_2_1_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_2_1_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(UML2_2_0_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_2_0_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(UML2_1_0_0_CONTENT_HANDLER)) {
	contentHandlers.add(UML2_1_0_0_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_5_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_5_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_4_1_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_4_1_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_4_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_4_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_2_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_2_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_1_1_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_1_1_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(OMG_2_1_CONTENT_HANDLER)) {
	contentHandlers.add(OMG_2_1_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(CMOF_2_5_CONTENT_HANDLER)) {
	contentHandlers.add(CMOF_2_5_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(CMOF_2_4_1_CONTENT_HANDLER)) {
	contentHandlers.add(CMOF_2_4_1_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(CMOF_2_4_CONTENT_HANDLER)) {
	contentHandlers.add(CMOF_2_4_CONTENT_HANDLER);
	}

	if (!contentHandlers.contains(CMOF_2_0_CONTENT_HANDLER)) {
	contentHandlers.add(CMOF_2_0_CONTENT_HANDLER);
	}

	return contentHandlerRegistry;
	}

	/**
	* Adds resource URI mappings required for working with UML models to the
	* specified map. These include at least mappings for the UML2-provided
	* model libraries, metamodels, and profiles.
	*
	* @param uriMap
	* a URI map, perhaps local to a resource set or perhaps the
	* global URI map
	*
	* @return the same {@code uriMap}
	*
	* @since 5.0
	*/
	public static Map<URI, URI> initURIConverterURIMap(Map<URI, URI> uriMap) {
	URI umlURI = getBaseUMLURI();
	mapURIs(uriMap, "platform:/plugin/org.eclipse.uml2.uml/model/", //$NON-NLS-1$
	umlURI.appendSegment("model"), "org.eclipse.uml2.uml"); //$NON-NLS-1$ //$NON-NLS-2$

	URI umlResourcesURI = getBaseUMLResourcesURI();
	mapURIs(uriMap, UMLResource.METAMODELS_PATHMAP,
	umlResourcesURI.appendSegment("metamodels"), //$NON-NLS-1$
	ResourcesPlugin.PLUGIN_ID);
	mapURIs(uriMap, UMLResource.PROFILES_PATHMAP,
	umlResourcesURI.appendSegment("profiles"), //$NON-NLS-1$
	ResourcesPlugin.PLUGIN_ID);
	mapURIs(uriMap, UMLResource.LIBRARIES_PATHMAP,
	umlResourcesURI.appendSegment("libraries"), //$NON-NLS-1$
	ResourcesPlugin.PLUGIN_ID);

	return uriMap;
	}

	/**
	* Adds profile namespace URI mappings required for working with UML models
	* to the specified map. These include at least mappings for the
	* UML2-provided profiles.
	*
	* @param ePackageNsURIToProfileLocationMap
	* a profile location map, perhaps local to a resource set or
	* perhaps the global location map
	*
	* @return the same {@code ePackageNsURIToProfileLocationMap}
	*
	* @since 5.0
	*/
	public static Map<String, URI> initEPackageNsURIToProfileLocationMap(
	Map<String, URI> ePackageNsURIToProfileLocationMap) {
	ePackageNsURIToProfileLocationMap.put(StandardPackage.eNS_URI,
	URI.createURI("pathmap://UML_PROFILES/Standard.profile.uml#_0")); //$NON-NLS-1$

	ePackageNsURIToProfileLocationMap.put(UMLResource.ECORE_PROFILE_NS_URI,
	URI.createURI("pathmap://UML_PROFILES/Ecore.profile.uml#_0")); //$NON-NLS-1$

	ePackageNsURIToProfileLocationMap.put(UMLResource.UML2_PROFILE_NS_URI,
	URI.createURI("pathmap://UML_PROFILES/UML2.profile.uml#_0")); //$NON-NLS-1$

	return ePackageNsURIToProfileLocationMap;
	}

	private static URI getBaseUMLURI() {
	URL resultURL = UMLUtil.class.getClassLoader()
	.getResource(String.format("model/%s", "UML.ecore")); //$NON-NLS-1$ //$NON-NLS-2$

	URI result;

	if (resultURL != null) {
	// remove the /model/UML.ecore segments of the resource
	// we found
	result = URI.createURI(resultURL.toExternalForm(), true)
	.trimSegments(2);
	} else {
	// probably, we're not running with JARs, so assume the source
	// project folder layout
	resultURL = UMLUtil.class.getResource("UMLUtil.class"); //$NON-NLS-1$

	String baseURL = resultURL.toExternalForm();

	int index = baseURL.lastIndexOf("/bin/"); //$NON-NLS-1$

	if (index != -1) {
	baseURL = baseURL.substring(0, index);
	}

	result = URI.createURI(baseURL, true);
	}

	return result;
	}

	private static URI getBaseUMLResourcesURI() {
	URI umlMetamodel = URI.createURI(UMLResource.UML_METAMODEL_URI);
	URL resultURL = UMLResourcesUtil.class.getClassLoader().getResource(
	String.format("metamodels/%s", umlMetamodel.lastSegment())); //$NON-NLS-1$

	URI result;

	if (resultURL != null) {
	// remove the /metamodel/UML.metamodel.uml segments of the resource
	// we found
	result = URI.createURI(resultURL.toExternalForm(), true)
	.trimSegments(2);
	} else {
	// probably, we're not running with JARs, so assume the source
	// project folder layout
	resultURL = UMLResourcesUtil.class
	.getResource("UMLResourcesUtil.class"); //$NON-NLS-1$

	String baseURL = resultURL.toExternalForm();

	int index = baseURL.lastIndexOf("/bin/"); //$NON-NLS-1$

	if (index != -1) {
	baseURL = baseURL.substring(0, index);
	}

	result = URI.createURI(baseURL, true);
	}

	return result;
	}

	private static void mapURIs(Map<URI, URI> uriMap, String uri, URI location,
	String pluginID) {

	URI prefix = URI.createURI(uri);

	// ensure trailing separator (make it a "URI prefix")
	if (!prefix.hasTrailingPathSeparator()) {
	prefix = prefix.appendSegment(""); //$NON-NLS-1$
	}

	// same with the location
	if (!location.hasTrailingPathSeparator()) {
	location = location.appendSegment(""); //$NON-NLS-1$
	}

	uriMap.put(prefix, location);

	// and platform URIs, too
	String folder = location.segment(location.segmentCount() - 2);
	String platformURI = String.format("%s/%s/", //$NON-NLS-1$
	pluginID, folder);
	uriMap.put(URI.createPlatformPluginURI(platformURI, true), location);
	uriMap.put(URI.createPlatformResourceURI(platformURI, true), location);
	}
	}