bundles/org.eclipse.e4.pde.webui/src/org/eclipse/e4/pde/internal/webui/PDEServlet.java - e4/org.eclipse.e4.ui - Git at Google

 /*******************************************************************************
  * Copyright (c) 2009 IBM Corporation 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:
  * Boris Bokowski, IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.e4.pde.internal.webui;

 import java.io.*;
 import java.net.URLEncoder;
 import java.util.*;
 import java.util.Map.Entry;
 import javax.servlet.ServletException;
 import javax.servlet.http.*;
 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.preferences.InstanceScope;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.*;
 import org.eclipse.emf.ecore.impl.EPackageRegistryImpl;
 import org.eclipse.emf.ecore.resource.*;
 import org.eclipse.emf.ecore.resource.Resource.Factory;
 import org.eclipse.emf.ecore.resource.impl.ResourceFactoryImpl;
 import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
 import org.eclipse.emf.ecore.util.BasicExtendedMetaData;
 import org.eclipse.emf.ecore.xmi.XMLResource;
 import org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl;
 import org.eclipse.pde.internal.core.PDECore;
 import org.eclipse.pde.internal.core.ifeature.IFeature;
 import org.eclipse.pde.internal.core.ifeature.IFeatureModel;
 import org.osgi.framework.Version;

 public class PDEServlet extends HttpServlet {

 	private static final long serialVersionUID = -5263759597889185038L;

 	private IWorkspace workspace;

 	private static String sessionID;

 	private synchronized IWorkspace getWorkspace() {
 		if (workspace == null) {
 			// enable auto-refresh:
 			new InstanceScope().getNode(ResourcesPlugin.PI_RESOURCES)
 					.putBoolean(ResourcesPlugin.PREF_AUTO_REFRESH, true);
 			workspace = ResourcesPlugin.getWorkspace();
 		}
 		return workspace;
 	}

 	protected void doPut(HttpServletRequest req, HttpServletResponse resp)
 			throws ServletException, IOException {
 		if (!isAuthenticated(req)) {
 			resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
 			return;
 		}
 		String pathInfo = req.getPathInfo();
 		if (pathInfo.startsWith("/site/")) {
 				String wsPath = pathInfo.substring("/site".length());
 				IResource resource = getWorkspace().getRoot().findMember(
 						new Path(wsPath));
 				if (resource.getType() != IResource.FILE) {
 					resp.setStatus(405);
 					return;
 				}
 				InputStream is = req.getInputStream();
 				int BUFFER_SIZE = 8192;
 				byte[] buffer = new byte[BUFFER_SIZE];
 				ByteArrayOutputStream os = new ByteArrayOutputStream();
 				int numRead = 0;
 				while ((numRead = is.read(buffer)) > 0) {
 					os.write(buffer, 0, numRead);
 				}
 				String jsonString = new String(os.toByteArray(), "ISO-8859-1");
 				Object json = JSONUtil.read(jsonString);
 //				System.out.println(json);
 				URI siteEcoreURI = URI.createPlatformPluginURI("/org.eclipse.e4.pde.webui/model/Site.ecore", true);
 				ResourceSet resourceSet = createResourceSet(siteEcoreURI);
 				EPackage ePackage = resourceSet.getPackageRegistry().getEPackage("platform:/plugin/org.eclipse.e4.pde.site.model/site.xsd");

 				Resource.Factory factory = (Factory) resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().get(Resource.Factory.Registry.DEFAULT_EXTENSION);
 				URI uri = URI.createPlatformResourceURI(resource.getFullPath()
 						.toString(), true);
 				Resource r = factory.createResource(uri);

 				EClass documentRootClass = (EClass) ePackage.getEClassifier("DocumentRoot");
 				EObject documentRoot = ePackage.getEFactoryInstance().create(documentRootClass);
 				EClass siteClass = (EClass) ePackage.getEClassifier("Site");
 				EObject site = ePackage.getEFactoryInstance().create(siteClass);
 				fill(site, (HashMap) json, ePackage.getEFactoryInstance());
 				documentRoot.eSet(documentRootClass.getEStructuralFeature("site"), site);
 				r.getContents().add(documentRoot);

 				OutputStream outputStream = resourceSet.getURIConverter().createOutputStream(uri);
 				r.save(outputStream, new HashMap());
 				outputStream.close();
 		}
 	}

 	private void fill(EObject eObject, HashMap json, EFactory eFactory) {
 		for(Iterator it = json.entrySet().iterator(); it.hasNext(); ) {
 			Entry entry = (Entry) it.next();
 			EStructuralFeature feature = eObject.eClass().getEStructuralFeature((String) entry.getKey());
 			if (entry.getValue() instanceof Collection) {
 				Collection targetCollection = (Collection) eObject.eGet(feature);
 				Collection sourceCollection = (Collection) entry.getValue();
 				for (Iterator it2 = sourceCollection.iterator(); it2
 						.hasNext();) {
 					Object element = it2.next();
 					EClass elementClass = (EClass) feature.getEType();
 					EObject targetElement = eFactory.create(elementClass);
 					fill(targetElement, (HashMap) element, eFactory);
 					targetCollection.add(targetElement);
 				}
 			} else if (entry.getValue() instanceof Map) {
 				EClass elementClass = (EClass) feature.getEType();
 				EObject targetElement = eFactory.create(elementClass);
 				fill(targetElement, (HashMap) entry.getValue(), eFactory);
 				eObject.eSet(feature, targetElement);
 			} else if (entry.getValue() instanceof String) {
 				eObject.eSet(feature, entry.getValue());
 			} else if (entry.getValue() != null) {
 				throw new RuntimeException("unsupported: " + entry.getValue());
 			}
 		}
 	}

 	protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
 		String pathInfo = req.getPathInfo();
 		if (pathInfo.startsWith("/login")) {
 			if ("e4".equals(req.getParameter("username"))) {
 				if ("e4".equals(req.getParameter("password"))) {
 					resp.addCookie(new Cookie("org.eclipse.e4.pde.auth", getSessionId()));
 					try {
 						resp.sendRedirect(req.getParameter("nextURL"));
 					} catch (IOException e) {
 						e.printStackTrace();
 					}
 					return;
 				}
 			}
 		}
 		try {
 			resp.sendRedirect("/pde/login?nextURL=" + URLEncoder.encode(req.getParameter("nextURL"), "UTF-8"));
 		} catch (IOException e) {
 			e.printStackTrace();
 		}
 	}

 	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
 			throws ServletException, IOException {
 		String pathInfo = req.getPathInfo();
 		if (pathInfo.startsWith("/login")) {
 			resp.setStatus(HttpServletResponse.SC_OK);
 			resp.setContentType("text/html; charset=UTF-8");
 			PrintWriter writer = resp.getWriter();
 			writer.append("<html>");
 			writer.append("<head>");
 			writer.append("<title>Please Log In</title>");
 			writer.append("</head>");
 			writer.append("<body>");
 			writer.append("<form method='post' action='/pde/login'>");
 			writer.append("username: ");
 			writer.append("<input type='text' name='username' />");
 			writer.append("<br />");
 			writer.append("password: ");
 			writer.append("<input type='password' name='password' />");
 			writer.append("<br />");
 			writer.append("<input type='submit' value='Login' />");
 			writer.append("<input type='hidden' name='nextURL' value='" + req.getParameter("nextURL") + "' />");
 			writer.append("</form>");
 			if (Activator.DEBUG) {
 				writer.append("<script type='text/javascript' src='/listCookies.js'></script>");
 			}
 			writer.append("</body>");
 			writer.append("</html>");
 			return;
 		}
 		if (!isAuthenticated(req)) {
 			resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
 			return;
 		}
 		if (pathInfo.startsWith("/features/")) {
 			IFeatureModel[] allModels = PDECore.getDefault().getFeatureModelManager().getModels();
 			Arrays.sort(allModels, new Comparator() {
 				public int compare(Object arg0, Object arg1) {
 					IFeature f0 = ((IFeatureModel)arg0).getFeature();
 					IFeature f1 = ((IFeatureModel)arg1).getFeature();
 					return f0.getId().compareTo(f1.getId());
 				}
 			});
 			List features = new ArrayList(allModels.length);
 			for (int i = 0; i < allModels.length; i++) {
 				IFeature feature = allModels[i].getFeature();
 				Map featureJSON = new HashMap();
 				featureJSON.put("feature", null);
 				featureJSON.put("id", feature.getId());
 				featureJSON.put("url", "features/" + feature.getId() + "_" + new Version(feature.getVersion()).toString() + ".jar");
 				featureJSON.put("version", feature.getVersion());
 				features.add(featureJSON);
 			}
 			resp.setStatus(200);
 			resp.setContentType("application/json; charset=UTF-8");
 			Map jsonResult = new HashMap();
 			jsonResult.put("identifier", "id");
 			jsonResult.put("label", "id");
 			jsonResult.put("items", features);
 			PrintWriter writer = resp.getWriter();
 			writer.write("/*");
 			writer.write(JSONUtil.write(jsonResult));
 			writer.write("*/");
 			return;
 		} else if (pathInfo.startsWith("/site/")) {
 			String wsPath = pathInfo.substring("/site".length());
 			IResource resource = getWorkspace().getRoot().findMember(
 					new Path(wsPath));
 			if (resource.getType() != IResource.FILE) {
 				resp.setStatus(405);
 				return;
 			}
 			PrintWriter writer = resp.getWriter();
 			try {
 				URI siteEcoreURI = URI.createPlatformPluginURI("/org.eclipse.e4.pde.webui/model/Site.ecore", true);
 				ResourceSet resourceSet = createResourceSet(siteEcoreURI);

 				URI uri = URI.createPlatformResourceURI(resource.getFullPath()
 						.toString(), true);
 				Resource r = resourceSet.getResource(uri, true);
 				EObject eRootObject = (EObject) r.getContents().get(0);
 				resp.setStatus(200);
 				resp.setContentType("application/json; charset=UTF-8");
 				writer.write("/*");
 				writer.write(EMFJSONUtil.write((EObject) eRootObject.eContents().get(0)));
 				writer.write("*/");
 				return;
 			} catch (Exception e) {
 				e.printStackTrace(writer);
 				resp.setStatus(500);
 				return;
 			}
 		}
 	}

 	private boolean isAuthenticated(HttpServletRequest req) {
 		Cookie[] cookies = req.getCookies();
 		if (cookies != null) {
 			for (int i = 0; i < cookies.length; i++) {
 				if (cookies[i].getName().equals("org.eclipse.e4.pde.auth")) {
 					if (cookies[i].getValue().equals(getSessionId())) {
 						return true;
 					}
 				}
 			}
 		}
 		return false;
 	}

 	public static String getSessionId() {
 		if (sessionID == null) {
 			sessionID = UUID.randomUUID().toString();
 		}
 		return sessionID;
 	}

 	private ResourceSet createResourceSet(URI siteEcoreURI) {
 		ResourceSet resourceSet = new ResourceSetImpl();
 		Resource ecoreResource = resourceSet.getResource(siteEcoreURI, true);

 		final BasicExtendedMetaData extendedMetaData = new BasicExtendedMetaData(new EPackageRegistryImpl(EPackage.Registry.INSTANCE));
 		EPackage ecorePackage = (EPackage) ecoreResource.getContents().get(0);
 		extendedMetaData.putPackage(null, ecorePackage);

 		// Register the appropriate resource factory to handle all file extensions.
 		resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put
 			(Resource.Factory.Registry.DEFAULT_EXTENSION,
 			 new ResourceFactoryImpl(){
 				public Resource createResource(URI uri) {
 					XMLResource result = new XMLResourceImpl(uri);
 					result.getDefaultSaveOptions().put(XMLResource.OPTION_EXTENDED_META_DATA, extendedMetaData);
 					result.getDefaultLoadOptions().put(XMLResource.OPTION_EXTENDED_META_DATA, extendedMetaData);

 					result.getDefaultSaveOptions().put(XMLResource.OPTION_SCHEMA_LOCATION, Boolean.TRUE);

 					result.getDefaultLoadOptions().put(XMLResource.OPTION_USE_ENCODED_ATTRIBUTE_STYLE, Boolean.TRUE);
 					result.getDefaultSaveOptions().put(XMLResource.OPTION_USE_ENCODED_ATTRIBUTE_STYLE, Boolean.TRUE);

 					result.getDefaultLoadOptions().put(XMLResource.OPTION_USE_LEXICAL_HANDLER, Boolean.TRUE);
 					return result;
 				}
 			});
 		// Register the package to ensure it is available during loading.
 		//
 		resourceSet.getPackageRegistry().put
 			(ecorePackage.getNsURI(), ecorePackage);
 		return resourceSet;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2009 IBM Corporation 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:
	* Boris Bokowski, IBM Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.e4.pde.internal.webui;

	import java.io.*;
	import java.net.URLEncoder;
	import java.util.*;
	import java.util.Map.Entry;
	import javax.servlet.ServletException;
	import javax.servlet.http.*;
	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.preferences.InstanceScope;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.*;
	import org.eclipse.emf.ecore.impl.EPackageRegistryImpl;
	import org.eclipse.emf.ecore.resource.*;
	import org.eclipse.emf.ecore.resource.Resource.Factory;
	import org.eclipse.emf.ecore.resource.impl.ResourceFactoryImpl;
	import org.eclipse.emf.ecore.resource.impl.ResourceSetImpl;
	import org.eclipse.emf.ecore.util.BasicExtendedMetaData;
	import org.eclipse.emf.ecore.xmi.XMLResource;
	import org.eclipse.emf.ecore.xmi.impl.XMLResourceImpl;
	import org.eclipse.pde.internal.core.PDECore;
	import org.eclipse.pde.internal.core.ifeature.IFeature;
	import org.eclipse.pde.internal.core.ifeature.IFeatureModel;
	import org.osgi.framework.Version;

	public class PDEServlet extends HttpServlet {

	private static final long serialVersionUID = -5263759597889185038L;

	private IWorkspace workspace;

	private static String sessionID;

	private synchronized IWorkspace getWorkspace() {
	if (workspace == null) {
	// enable auto-refresh:
	new InstanceScope().getNode(ResourcesPlugin.PI_RESOURCES)
	.putBoolean(ResourcesPlugin.PREF_AUTO_REFRESH, true);
	workspace = ResourcesPlugin.getWorkspace();
	}
	return workspace;
	}

	protected void doPut(HttpServletRequest req, HttpServletResponse resp)
	throws ServletException, IOException {
	if (!isAuthenticated(req)) {
	resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
	return;
	}
	String pathInfo = req.getPathInfo();
	if (pathInfo.startsWith("/site/")) {
	String wsPath = pathInfo.substring("/site".length());
	IResource resource = getWorkspace().getRoot().findMember(
	new Path(wsPath));
	if (resource.getType() != IResource.FILE) {
	resp.setStatus(405);
	return;
	}
	InputStream is = req.getInputStream();
	int BUFFER_SIZE = 8192;
	byte[] buffer = new byte[BUFFER_SIZE];
	ByteArrayOutputStream os = new ByteArrayOutputStream();
	int numRead = 0;
	while ((numRead = is.read(buffer)) > 0) {
	os.write(buffer, 0, numRead);
	}
	String jsonString = new String(os.toByteArray(), "ISO-8859-1");
	Object json = JSONUtil.read(jsonString);
	// System.out.println(json);
	URI siteEcoreURI = URI.createPlatformPluginURI("/org.eclipse.e4.pde.webui/model/Site.ecore", true);
	ResourceSet resourceSet = createResourceSet(siteEcoreURI);
	EPackage ePackage = resourceSet.getPackageRegistry().getEPackage("platform:/plugin/org.eclipse.e4.pde.site.model/site.xsd");

	Resource.Factory factory = (Factory) resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().get(Resource.Factory.Registry.DEFAULT_EXTENSION);
	URI uri = URI.createPlatformResourceURI(resource.getFullPath()
	.toString(), true);
	Resource r = factory.createResource(uri);

	EClass documentRootClass = (EClass) ePackage.getEClassifier("DocumentRoot");
	EObject documentRoot = ePackage.getEFactoryInstance().create(documentRootClass);
	EClass siteClass = (EClass) ePackage.getEClassifier("Site");
	EObject site = ePackage.getEFactoryInstance().create(siteClass);
	fill(site, (HashMap) json, ePackage.getEFactoryInstance());
	documentRoot.eSet(documentRootClass.getEStructuralFeature("site"), site);
	r.getContents().add(documentRoot);

	OutputStream outputStream = resourceSet.getURIConverter().createOutputStream(uri);
	r.save(outputStream, new HashMap());
	outputStream.close();
	}
	}

	private void fill(EObject eObject, HashMap json, EFactory eFactory) {
	for(Iterator it = json.entrySet().iterator(); it.hasNext(); ) {
	Entry entry = (Entry) it.next();
	EStructuralFeature feature = eObject.eClass().getEStructuralFeature((String) entry.getKey());
	if (entry.getValue() instanceof Collection) {
	Collection targetCollection = (Collection) eObject.eGet(feature);
	Collection sourceCollection = (Collection) entry.getValue();
	for (Iterator it2 = sourceCollection.iterator(); it2
	.hasNext();) {
	Object element = it2.next();
	EClass elementClass = (EClass) feature.getEType();
	EObject targetElement = eFactory.create(elementClass);
	fill(targetElement, (HashMap) element, eFactory);
	targetCollection.add(targetElement);
	}
	} else if (entry.getValue() instanceof Map) {
	EClass elementClass = (EClass) feature.getEType();
	EObject targetElement = eFactory.create(elementClass);
	fill(targetElement, (HashMap) entry.getValue(), eFactory);
	eObject.eSet(feature, targetElement);
	} else if (entry.getValue() instanceof String) {
	eObject.eSet(feature, entry.getValue());
	} else if (entry.getValue() != null) {
	throw new RuntimeException("unsupported: " + entry.getValue());
	}
	}
	}

	protected void doPost(HttpServletRequest req, HttpServletResponse resp) {
	String pathInfo = req.getPathInfo();
	if (pathInfo.startsWith("/login")) {
	if ("e4".equals(req.getParameter("username"))) {
	if ("e4".equals(req.getParameter("password"))) {
	resp.addCookie(new Cookie("org.eclipse.e4.pde.auth", getSessionId()));
	try {
	resp.sendRedirect(req.getParameter("nextURL"));
	} catch (IOException e) {
	e.printStackTrace();
	}
	return;
	}
	}
	}
	try {
	resp.sendRedirect("/pde/login?nextURL=" + URLEncoder.encode(req.getParameter("nextURL"), "UTF-8"));
	} catch (IOException e) {
	e.printStackTrace();
	}
	}

	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
	throws ServletException, IOException {
	String pathInfo = req.getPathInfo();
	if (pathInfo.startsWith("/login")) {
	resp.setStatus(HttpServletResponse.SC_OK);
	resp.setContentType("text/html; charset=UTF-8");
	PrintWriter writer = resp.getWriter();
	writer.append("<html>");
	writer.append("<head>");
	writer.append("<title>Please Log In</title>");
	writer.append("</head>");
	writer.append("<body>");
	writer.append("<form method='post' action='/pde/login'>");
	writer.append("username: ");
	writer.append("<input type='text' name='username' />");
	writer.append("<br />");
	writer.append("password: ");
	writer.append("<input type='password' name='password' />");
	writer.append("<br />");
	writer.append("<input type='submit' value='Login' />");
	writer.append("<input type='hidden' name='nextURL' value='" + req.getParameter("nextURL") + "' />");
	writer.append("</form>");
	if (Activator.DEBUG) {
	writer.append("<script type='text/javascript' src='/listCookies.js'></script>");
	}
	writer.append("</body>");
	writer.append("</html>");
	return;
	}
	if (!isAuthenticated(req)) {
	resp.setStatus(HttpServletResponse.SC_FORBIDDEN);
	return;
	}
	if (pathInfo.startsWith("/features/")) {
	IFeatureModel[] allModels = PDECore.getDefault().getFeatureModelManager().getModels();
	Arrays.sort(allModels, new Comparator() {
	public int compare(Object arg0, Object arg1) {
	IFeature f0 = ((IFeatureModel)arg0).getFeature();
	IFeature f1 = ((IFeatureModel)arg1).getFeature();
	return f0.getId().compareTo(f1.getId());
	}
	});
	List features = new ArrayList(allModels.length);
	for (int i = 0; i < allModels.length; i++) {
	IFeature feature = allModels[i].getFeature();
	Map featureJSON = new HashMap();
	featureJSON.put("feature", null);
	featureJSON.put("id", feature.getId());
	featureJSON.put("url", "features/" + feature.getId() + "_" + new Version(feature.getVersion()).toString() + ".jar");
	featureJSON.put("version", feature.getVersion());
	features.add(featureJSON);
	}
	resp.setStatus(200);
	resp.setContentType("application/json; charset=UTF-8");
	Map jsonResult = new HashMap();
	jsonResult.put("identifier", "id");
	jsonResult.put("label", "id");
	jsonResult.put("items", features);
	PrintWriter writer = resp.getWriter();
	writer.write("/*");
	writer.write(JSONUtil.write(jsonResult));
	writer.write("*/");
	return;
	} else if (pathInfo.startsWith("/site/")) {
	String wsPath = pathInfo.substring("/site".length());
	IResource resource = getWorkspace().getRoot().findMember(
	new Path(wsPath));
	if (resource.getType() != IResource.FILE) {
	resp.setStatus(405);
	return;
	}
	PrintWriter writer = resp.getWriter();
	try {
	URI siteEcoreURI = URI.createPlatformPluginURI("/org.eclipse.e4.pde.webui/model/Site.ecore", true);
	ResourceSet resourceSet = createResourceSet(siteEcoreURI);

	URI uri = URI.createPlatformResourceURI(resource.getFullPath()
	.toString(), true);
	Resource r = resourceSet.getResource(uri, true);
	EObject eRootObject = (EObject) r.getContents().get(0);
	resp.setStatus(200);
	resp.setContentType("application/json; charset=UTF-8");
	writer.write("/*");
	writer.write(EMFJSONUtil.write((EObject) eRootObject.eContents().get(0)));
	writer.write("*/");
	return;
	} catch (Exception e) {
	e.printStackTrace(writer);
	resp.setStatus(500);
	return;
	}
	}
	}

	private boolean isAuthenticated(HttpServletRequest req) {
	Cookie[] cookies = req.getCookies();
	if (cookies != null) {
	for (int i = 0; i < cookies.length; i++) {
	if (cookies[i].getName().equals("org.eclipse.e4.pde.auth")) {
	if (cookies[i].getValue().equals(getSessionId())) {
	return true;
	}
	}
	}
	}
	return false;
	}

	public static String getSessionId() {
	if (sessionID == null) {
	sessionID = UUID.randomUUID().toString();
	}
	return sessionID;
	}

	private ResourceSet createResourceSet(URI siteEcoreURI) {
	ResourceSet resourceSet = new ResourceSetImpl();
	Resource ecoreResource = resourceSet.getResource(siteEcoreURI, true);

	final BasicExtendedMetaData extendedMetaData = new BasicExtendedMetaData(new EPackageRegistryImpl(EPackage.Registry.INSTANCE));
	EPackage ecorePackage = (EPackage) ecoreResource.getContents().get(0);
	extendedMetaData.putPackage(null, ecorePackage);

	// Register the appropriate resource factory to handle all file extensions.
	resourceSet.getResourceFactoryRegistry().getExtensionToFactoryMap().put
	(Resource.Factory.Registry.DEFAULT_EXTENSION,
	new ResourceFactoryImpl(){
	public Resource createResource(URI uri) {
	XMLResource result = new XMLResourceImpl(uri);
	result.getDefaultSaveOptions().put(XMLResource.OPTION_EXTENDED_META_DATA, extendedMetaData);
	result.getDefaultLoadOptions().put(XMLResource.OPTION_EXTENDED_META_DATA, extendedMetaData);

	result.getDefaultSaveOptions().put(XMLResource.OPTION_SCHEMA_LOCATION, Boolean.TRUE);

	result.getDefaultLoadOptions().put(XMLResource.OPTION_USE_ENCODED_ATTRIBUTE_STYLE, Boolean.TRUE);
	result.getDefaultSaveOptions().put(XMLResource.OPTION_USE_ENCODED_ATTRIBUTE_STYLE, Boolean.TRUE);

	result.getDefaultLoadOptions().put(XMLResource.OPTION_USE_LEXICAL_HANDLER, Boolean.TRUE);
	return result;
	}
	});
	// Register the package to ensure it is available during loading.
	//
	resourceSet.getPackageRegistry().put
	(ecorePackage.getNsURI(), ecorePackage);
	return resourceSet;
	}

	}