plugins/org.eclipse.jem.util/jemutil/org/eclipse/jem/util/emf/workbench/nature/EMFNature.java - webtools-common/webtools.common - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005 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:
  *     IBM Corporation - initial API and implementation
  *******************************************************************************/
 /*
  *  $$RCSfile: EMFNature.java,v $$
  *  $$Revision: 1.4 $$  $$Date: 2005/02/15 23:04:14 $$
  */
 package org.eclipse.jem.util.emf.workbench.nature;

 import java.util.*;

 import org.eclipse.core.resources.*;
 import org.eclipse.core.runtime.*;
 import org.eclipse.emf.common.util.*;
 import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.emf.ecore.xmi.XMLParserPool;
 import org.eclipse.emf.ecore.xmi.impl.XMLParserPoolImpl;

 import org.eclipse.jem.internal.util.emf.workbench.nature.EMFNatureRegistry;
 import org.eclipse.jem.util.emf.workbench.*;
 import org.eclipse.jem.util.logger.proxy.Logger;


 /**
  * The base EMFNature.
  * <p>
  * This is expected to be subclassed by clients, but there are default subclasses available.
  * </p>
  *
  * @since 1.0.0
  */
 public abstract class EMFNature implements IProjectNature, IEMFContextContributor {

 	protected IProject project;

 	protected EMFWorkbenchContextBase emfContext;

 	protected boolean hasConfigured = false;

 	public static XMLParserPool SHARED_PARSER_POOL = new XMLParserPoolImpl();

 	public EMFNature() {
 		super();
 	}

 	/**
 	 * Add the nature id to the project.
 	 *
 	 * @param proj
 	 * @param natureId
 	 * @throws CoreException
 	 *
 	 * @since 1.0.0
 	 */
 	protected static void addNatureToProject(IProject proj, String natureId) throws CoreException {
 		ProjectUtilities.addNatureToProject(proj, natureId);
 	}

 	/**
 	 * Configures the project with this nature. This is called by <code>IProject.addNature</code> and should not be called directly by clients. The
 	 * nature extension id is added to the list of natures on the project by <code>IProject.addNature</code>, and need not be added here.
 	 *
 	 * <p>
 	 * All subtypes must call super. The better way for subtypes is to override primConfigure instead.
 	 * </p>
 	 *
 	 * @throws CoreException
 	 * @since 1.0.0
 	 */
 	public void configure() throws org.eclipse.core.runtime.CoreException {
 		if (!hasConfigured) {
 			hasConfigured = true;
 			primConfigure();
 		}
 	}

 	/**
 	 * Called from configure the first time configure is called on the nature. Default is do nothing. Subclasses should override and add in their own
 	 * configuration.
 	 *
 	 * @throws org.eclipse.core.runtime.CoreException
 	 *
 	 * @since 1.0.0
 	 */
 	protected void primConfigure() throws org.eclipse.core.runtime.CoreException {

 	}

 	/**
 	 * Create an EMF context for the project.
 	 *
 	 * @throws CoreException
 	 *
 	 * @since 1.0.0
 	 */
 	protected void createEmfContext() throws CoreException {
 		WorkbenchResourceHelperBase.createEMFContext(getProject(), this);
 	}

 	/**
 	 * Create a folder relative to the project based on aProjectRelativePathString.
 	 *
 	 * @param aProjectRelativePathString
 	 * @return
 	 * @throws CoreException
 	 *
 	 * @since 1.0.0
 	 */
 	public IFolder createFolder(String aProjectRelativePathString) throws CoreException {
 		if (aProjectRelativePathString != null && aProjectRelativePathString.length() > 0)
 			return createFolder(new Path(aProjectRelativePathString));
 		return null;
 	}

 	/**
 	 * Create a folder relative to the project based on aProjectRelativePathString.
 	 *
 	 * @param aProjectRelativePath
 	 * @return
 	 * @throws CoreException
 	 *
 	 * @since 1.0.0
 	 */
 	public IFolder createFolder(IPath aProjectRelativePath) throws CoreException {
 		if (aProjectRelativePath != null && !aProjectRelativePath.isEmpty()) {
 			IFolder folder = getWorkspace().getRoot().getFolder(getProjectPath().append(aProjectRelativePath));
 			if (!folder.exists()) {
 				ProjectUtilities.ensureContainerNotReadOnly(folder);
 				folder.create(true, true, null);
 			}
 			return folder;
 		}
 		return null;
 	}

 	/**
 	 * Removes this nature from the project, performing any required deconfiguration. This is called by <code>IProject.removeNature</code> and
 	 * should not be called directly by clients. The nature id is removed from the list of natures on the project by
 	 * <code>IProject.removeNature</code>, and need not be removed here.
 	 *
 	 * @throws CoreException
 	 * @since 1.0.0
 	 */
 	public void deconfigure() throws org.eclipse.core.runtime.CoreException {
 		emfContext = null;
 	}

 	/**
 	 * Return true if the IFile with the given name exists in this project.
 	 *
 	 * @param aFileName
 	 *            filename can be relative to one of the input file paths for the WorkbenchURIConverter.
 	 * @return <code>true</code> if filename exists in this project
 	 *
 	 * @since 1.0.0
 	 */
 	public boolean fileExists(String aFileName) {
 		if (aFileName == null)
 			return false;

 		IPath path = new Path(aFileName);
 		if (path.isAbsolute())
 			return ResourcesPlugin.getWorkspace().getRoot().getFile(path).exists();
 		else
 			return getWorkbenchURIConverter().canGetUnderlyingResource(aFileName);
 	}

 	/**
 	 * Get the resource set for the project
 	 *
 	 * @return
 	 *
 	 * @since 1.0.0
 	 */
 	public ResourceSet getResourceSet() {
 		return getEmfContextBase().getResourceSet();
 	}

 	/**
 	 * Returns the EMF root folder for the project. Defaults to the project. Subclasses can override.
 	 *
 	 * @return EMF root folder for the project.
 	 *
 	 * @since 1.0.0
 	 */
 	public IContainer getEMFRoot() {
 		return getProject();
 	}

 	/**
 	 * Used for optimizations; answers whether a mof context for this nature has exists yet
 	 *
 	 * @deprecated use hasResourceSet();
 	 * @since 1.0.0
 	 */
 	public boolean hasContext() {
 		return hasResourceSet();
 	}

 	/**
 	 * Is there a resource set yet for the project.
 	 *
 	 * @return <code>true</code> if there is a resource set for the project.
 	 *
 	 * @since 1.0.0
 	 */
 	public boolean hasResourceSet() {
 		return emfContext != null && emfContext.hasResourceSet();
 	}

 	/**
 	 * Lazy initializer; for migration of existing workspaces where configure will never get called.
 	 *
 	 * @return context base for the project.
 	 *
 	 * @since 1.0.0
 	 */
 	protected EMFWorkbenchContextBase getEmfContextBase() {
 		if (emfContext == null) {
 			try {
 				createEmfContext();
 			} catch (CoreException ex) {
 				Logger.getLogger().logError(ex);
 			}
 		}
 		return emfContext;
 	}

 	/**
 	 * Get the IFile with the given name if it is in this project.
 	 *
 	 * @param aFileName
 	 *            filename can be relative to one of the input file paths for the WorkbenchURIConverter.
 	 * @return file it it is in this project, or <code>null</code> if it doesn't.
 	 *
 	 * @since 1.0.0
 	 */
 	public IFile getFile(String aFileName) {
 		return getWorkbenchURIConverter().getFile(aFileName);
 	}

 	/**
 	 * Return the nature's ID.
 	 *
 	 * @return nature id
 	 *
 	 * @since 1.0.0
 	 */
 	public abstract String getNatureID();

 	/**
 	 * Return the ID of the plugin that this nature is contained within.
 	 *
 	 * @return
 	 *
 	 * @since 1.0.0
 	 */
 	protected abstract String getPluginID();

 	/**
 	 * Returns the project to which this project nature applies.
 	 *
 	 * @return the project handle
 	 * @since 1.0.0
 	 */
 	public org.eclipse.core.resources.IProject getProject() {
 		return project;
 	}

 	/**
 	 * Return the full path of the project.
 	 *
 	 * @return full project path (relative to workspace)
 	 * @since 1.0.0
 	 */
 	public IPath getProjectPath() {
 		return getProject().getFullPath();
 	}

 	/**
 	 * Get the server property of the project from the supplied key
 	 *
 	 * @param key
 	 *            java.lang.String
 	 * @deprecated we cannont use persistent properties because they are not stored in the repository
 	 * @since 1.0.0
 	 */
 	protected String getProjectServerValue(String key) {
 		if (key == null)
 			return null;
 		try {
 			QualifiedName wholeName = qualifiedKey(key);
 			return getProject().getPersistentProperty(wholeName);
 		} catch (CoreException exception) {
 			//If we can't find it assume it is null
 			exception.printStackTrace();
 			return null;
 		}
 	}

 	/**
 	 * Get WorkbenchURIConverter for this project.
 	 * <p>
 	 * This method assumes the URIConverter on the ResourceSet is the one that was created for the ResourceSet on behalf of this nature runtime.
 	 * </p>
 	 *
 	 * @return
 	 *
 	 * @since 1.0.0
 	 */
 	protected WorkbenchURIConverter getWorkbenchURIConverter() {
 		return (WorkbenchURIConverter) getResourceSet().getURIConverter();
 	}

 	public IWorkspace getWorkspace() {
 		return getProject().getWorkspace();
 	}

 	/**
 	 * @deprecated use getResource(URI)
 	 */
 	public Resource getXmiResource(String uri) {
 		return getResource(URI.createURI(uri));
 	}

 	/**
 	 * Get the resource for this uri. It will use the resource set of the project to find it. It will load if not already loaded.
 	 *
 	 * @param uri
 	 * @return resource or <code>null</code> if resource is not found.
 	 *
 	 * @since 1.0.0
 	 */
 	public Resource getResource(URI uri) {
 		try {
 			return getResourceSet().getResource(uri, true);
 		} catch (WrappedException ex) {
 			if (!WorkbenchResourceHelperBase.isResourceNotFound(ex))
 				throw ex;
 		}
 		return null;
 	}

 	/**
 	 * @deprecated use getResourceSet()
 	 */
 	public ResourceSet getXmiResourceSet() {
 		return getResourceSet();
 	}

 	/**
 	 * Make sure that all dependent components are initialized before creating the ResourceSet.
 	 */
 	protected void initializeDependentComponents() {
 		//com.ibm.etools.java.init.JavaInit.init();
 	}

 	/**
 	 * @deprecated use createResource(URI)
 	 */
 	public Resource makeXmiResource(String uri) {
 		return createResource(URI.createURI(uri));
 	}

 	/**
 	 * @deprecated use createResource(URI)
 	 */
 	public Resource makeXmiResource(String uri, EList anExtent) {
 		Resource res = makeXmiResource(uri);
 		if (res != null)
 			res.getContents().addAll(anExtent);
 		return res;
 	}

 	/**
 	 * Create the resource for this uri. It will use the resource set of the project to create it.
 	 *
 	 * @param uri
 	 * @return resource
 	 *
 	 * @since 1.0.0
 	 */
 	public Resource createResource(URI uri) {
 		return getResourceSet().createResource(uri);
 	}

 	/*
 	 * Return the QualifedValue for key for storage in the repository. The key is qualifed with the package name to avoid collision. @return
 	 * QualifedName @param key java.lang.String
 	 */
 	private QualifiedName qualifiedKey(String key) {
 		return new QualifiedName(getPluginID(), key);
 	}

 	/**
 	 * Register the given nature id as an EMFNature.
 	 *
 	 * @param natureID
 	 *
 	 * @since 1.0.0
 	 */
 	public static void registerNatureID(String natureID) {
 		EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.add(natureID);
 	}

 	/**
 	 * Sets the project to which this nature applies. Used when instantiating this project nature runtime. This is called by
 	 * <code>IProject.addNature</code> and should not be called directly by clients.
 	 *
 	 * @param project
 	 *            the project to which this nature applies
 	 *
 	 * @since 1.0.0
 	 */
 	public void setProject(org.eclipse.core.resources.IProject newProject) {
 		project = newProject;
 	}

 	/**
 	 * Set the server property of the project from the supplied value
 	 *
 	 * @param key
 	 *            java.lang.String
 	 * @param value
 	 *            String
 	 * @deprecated we cannont use persistent properties because they are not stored in the repository
 	 */
 	protected void setProjectServerValue(String key, String value) {
 		if (key != null) {
 			try {
 				QualifiedName wholeName = qualifiedKey(key);
 				getProject().setPersistentProperty(wholeName, value);
 			} catch (CoreException exception) {
 				//If we can't find it assume it is null
 				exception.printStackTrace();
 				return;
 			}
 		}
 	}

 	/**
 	 * Shutdown the EMF nature
 	 *
 	 *
 	 * @since 1.0.0
 	 */
 	public void shutdown() {
 		if (getResourceSet() != null)
 			((ProjectResourceSet) getResourceSet()).release();
 	}

 	/**
 	 * Return a list of EMFNatures based on the natures that have been configured for this project.
 	 *
 	 * @return List of EMFNatures
 	 * @param project
 	 * @return list of natures configured for the project.
 	 * @since 1.0.0
 	 */
 	public static List getRegisteredRuntimes(IProject project) {
 		List result = null;
 		EMFNature nature = null;
 		if (project != null && project.isAccessible()) {
 			String natureID;
 			Iterator it = EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.iterator();
 			while (it.hasNext()) {
 				natureID = (String) it.next();
 				try {
 					nature = (EMFNature) project.getNature(natureID);
 				} catch (CoreException e) {
 				}
 				if (nature != null) {
 					if (result == null)
 						result = new ArrayList(2);
 					result.add(nature);
 				}
 			}
 		}
 		return result == null ? Collections.EMPTY_LIST : result;
 	}

 	/**
 	 * Return a list of nature ids based on the natures that have been configured for this project.
 	 *
 	 * @return list of configured nature ids.
 	 * @param project
 	 */
 	public static List getRegisteredRuntimeIDs(IProject project) {
 		List result = null;
 		String natureID = null;
 		if (project != null && project.isAccessible()) {
 			Iterator it = EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.iterator();
 			while (it.hasNext()) {
 				natureID = (String) it.next();
 				try {
 					if (project.hasNature(natureID)) {
 						if (result == null)
 							result = new ArrayList(2);
 						result.add(natureID);
 					}
 				} catch (CoreException e) {
 				}
 			}
 		}
 		return result == null ? Collections.EMPTY_LIST : result;
 	}

 	/**
 	 * Return if the project has the given nature.
 	 *
 	 * @param project
 	 * @param natureId
 	 * @return <code>true</code> if project has given nature
 	 *
 	 * @since 1.0.0
 	 */
 	public static boolean hasRuntime(IProject project, String natureId) {
 		if (project == null || !project.isAccessible())
 			return false;
 		try {
 			return project.hasNature(natureId);
 		} catch (CoreException e) {
 			return false;
 		}
 	}

 	/**
 	 * Return if the project has any one of the possible given nature ids.
 	 *
 	 * @param project
 	 * @param possibleNatureIds
 	 * @return <code>true</code> if at least one of the possible natures id is configured for the project.
 	 *
 	 * @since 1.0.0
 	 */
 	public static boolean hasRuntime(IProject project, String[] possibleNatureIds) {
 		if (project != null) {
 			for (int i = 0; i < possibleNatureIds.length; i++) {
 				if (hasRuntime(project, possibleNatureIds[i]))
 					return true;
 			}
 		}
 		return false;
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2005 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:
	* IBM Corporation - initial API and implementation
	*******************************************************************************/
	/*
	* $$RCSfile: EMFNature.java,v $$
	* $$Revision: 1.4 $$ $$Date: 2005/02/15 23:04:14 $$
	*/
	package org.eclipse.jem.util.emf.workbench.nature;

	import java.util.*;

	import org.eclipse.core.resources.*;
	import org.eclipse.core.runtime.*;
	import org.eclipse.emf.common.util.*;
	import org.eclipse.emf.ecore.resource.Resource;
	import org.eclipse.emf.ecore.resource.ResourceSet;
	import org.eclipse.emf.ecore.xmi.XMLParserPool;
	import org.eclipse.emf.ecore.xmi.impl.XMLParserPoolImpl;

	import org.eclipse.jem.internal.util.emf.workbench.nature.EMFNatureRegistry;
	import org.eclipse.jem.util.emf.workbench.*;
	import org.eclipse.jem.util.logger.proxy.Logger;


	/**
	* The base EMFNature.
	* <p>
	* This is expected to be subclassed by clients, but there are default subclasses available.
	* </p>
	*
	* @since 1.0.0
	*/
	public abstract class EMFNature implements IProjectNature, IEMFContextContributor {

	protected IProject project;

	protected EMFWorkbenchContextBase emfContext;

	protected boolean hasConfigured = false;

	public static XMLParserPool SHARED_PARSER_POOL = new XMLParserPoolImpl();

	public EMFNature() {
	super();
	}

	/**
	* Add the nature id to the project.
	*
	* @param proj
	* @param natureId
	* @throws CoreException
	*
	* @since 1.0.0
	*/
	protected static void addNatureToProject(IProject proj, String natureId) throws CoreException {
	ProjectUtilities.addNatureToProject(proj, natureId);
	}

	/**
	* Configures the project with this nature. This is called by <code>IProject.addNature</code> and should not be called directly by clients. The
	* nature extension id is added to the list of natures on the project by <code>IProject.addNature</code>, and need not be added here.
	*
	* <p>
	* All subtypes must call super. The better way for subtypes is to override primConfigure instead.
	* </p>
	*
	* @throws CoreException
	* @since 1.0.0
	*/
	public void configure() throws org.eclipse.core.runtime.CoreException {
	if (!hasConfigured) {
	hasConfigured = true;
	primConfigure();
	}
	}

	/**
	* Called from configure the first time configure is called on the nature. Default is do nothing. Subclasses should override and add in their own
	* configuration.
	*
	* @throws org.eclipse.core.runtime.CoreException
	*
	* @since 1.0.0
	*/
	protected void primConfigure() throws org.eclipse.core.runtime.CoreException {

	}

	/**
	* Create an EMF context for the project.
	*
	* @throws CoreException
	*
	* @since 1.0.0
	*/
	protected void createEmfContext() throws CoreException {
	WorkbenchResourceHelperBase.createEMFContext(getProject(), this);
	}

	/**
	* Create a folder relative to the project based on aProjectRelativePathString.
	*
	* @param aProjectRelativePathString
	* @return
	* @throws CoreException
	*
	* @since 1.0.0
	*/
	public IFolder createFolder(String aProjectRelativePathString) throws CoreException {
	if (aProjectRelativePathString != null && aProjectRelativePathString.length() > 0)
	return createFolder(new Path(aProjectRelativePathString));
	return null;
	}

	/**
	* Create a folder relative to the project based on aProjectRelativePathString.
	*
	* @param aProjectRelativePath
	* @return
	* @throws CoreException
	*
	* @since 1.0.0
	*/
	public IFolder createFolder(IPath aProjectRelativePath) throws CoreException {
	if (aProjectRelativePath != null && !aProjectRelativePath.isEmpty()) {
	IFolder folder = getWorkspace().getRoot().getFolder(getProjectPath().append(aProjectRelativePath));
	if (!folder.exists()) {
	ProjectUtilities.ensureContainerNotReadOnly(folder);
	folder.create(true, true, null);
	}
	return folder;
	}
	return null;
	}

	/**
	* Removes this nature from the project, performing any required deconfiguration. This is called by <code>IProject.removeNature</code> and
	* should not be called directly by clients. The nature id is removed from the list of natures on the project by
	* <code>IProject.removeNature</code>, and need not be removed here.
	*
	* @throws CoreException
	* @since 1.0.0
	*/
	public void deconfigure() throws org.eclipse.core.runtime.CoreException {
	emfContext = null;
	}

	/**
	* Return true if the IFile with the given name exists in this project.
	*
	* @param aFileName
	* filename can be relative to one of the input file paths for the WorkbenchURIConverter.
	* @return <code>true</code> if filename exists in this project
	*
	* @since 1.0.0
	*/
	public boolean fileExists(String aFileName) {
	if (aFileName == null)
	return false;

	IPath path = new Path(aFileName);
	if (path.isAbsolute())
	return ResourcesPlugin.getWorkspace().getRoot().getFile(path).exists();
	else
	return getWorkbenchURIConverter().canGetUnderlyingResource(aFileName);
	}

	/**
	* Get the resource set for the project
	*
	* @return
	*
	* @since 1.0.0
	*/
	public ResourceSet getResourceSet() {
	return getEmfContextBase().getResourceSet();
	}

	/**
	* Returns the EMF root folder for the project. Defaults to the project. Subclasses can override.
	*
	* @return EMF root folder for the project.
	*
	* @since 1.0.0
	*/
	public IContainer getEMFRoot() {
	return getProject();
	}

	/**
	* Used for optimizations; answers whether a mof context for this nature has exists yet
	*
	* @deprecated use hasResourceSet();
	* @since 1.0.0
	*/
	public boolean hasContext() {
	return hasResourceSet();
	}

	/**
	* Is there a resource set yet for the project.
	*
	* @return <code>true</code> if there is a resource set for the project.
	*
	* @since 1.0.0
	*/
	public boolean hasResourceSet() {
	return emfContext != null && emfContext.hasResourceSet();
	}

	/**
	* Lazy initializer; for migration of existing workspaces where configure will never get called.
	*
	* @return context base for the project.
	*
	* @since 1.0.0
	*/
	protected EMFWorkbenchContextBase getEmfContextBase() {
	if (emfContext == null) {
	try {
	createEmfContext();
	} catch (CoreException ex) {
	Logger.getLogger().logError(ex);
	}
	}
	return emfContext;
	}

	/**
	* Get the IFile with the given name if it is in this project.
	*
	* @param aFileName
	* filename can be relative to one of the input file paths for the WorkbenchURIConverter.
	* @return file it it is in this project, or <code>null</code> if it doesn't.
	*
	* @since 1.0.0
	*/
	public IFile getFile(String aFileName) {
	return getWorkbenchURIConverter().getFile(aFileName);
	}

	/**
	* Return the nature's ID.
	*
	* @return nature id
	*
	* @since 1.0.0
	*/
	public abstract String getNatureID();

	/**
	* Return the ID of the plugin that this nature is contained within.
	*
	* @return
	*
	* @since 1.0.0
	*/
	protected abstract String getPluginID();

	/**
	* Returns the project to which this project nature applies.
	*
	* @return the project handle
	* @since 1.0.0
	*/
	public org.eclipse.core.resources.IProject getProject() {
	return project;
	}

	/**
	* Return the full path of the project.
	*
	* @return full project path (relative to workspace)
	* @since 1.0.0
	*/
	public IPath getProjectPath() {
	return getProject().getFullPath();
	}

	/**
	* Get the server property of the project from the supplied key
	*
	* @param key
	* java.lang.String
	* @deprecated we cannont use persistent properties because they are not stored in the repository
	* @since 1.0.0
	*/
	protected String getProjectServerValue(String key) {
	if (key == null)
	return null;
	try {
	QualifiedName wholeName = qualifiedKey(key);
	return getProject().getPersistentProperty(wholeName);
	} catch (CoreException exception) {
	//If we can't find it assume it is null
	exception.printStackTrace();
	return null;
	}
	}

	/**
	* Get WorkbenchURIConverter for this project.
	* <p>
	* This method assumes the URIConverter on the ResourceSet is the one that was created for the ResourceSet on behalf of this nature runtime.
	* </p>
	*
	* @return
	*
	* @since 1.0.0
	*/
	protected WorkbenchURIConverter getWorkbenchURIConverter() {
	return (WorkbenchURIConverter) getResourceSet().getURIConverter();
	}

	public IWorkspace getWorkspace() {
	return getProject().getWorkspace();
	}

	/**
	* @deprecated use getResource(URI)
	*/
	public Resource getXmiResource(String uri) {
	return getResource(URI.createURI(uri));
	}

	/**
	* Get the resource for this uri. It will use the resource set of the project to find it. It will load if not already loaded.
	*
	* @param uri
	* @return resource or <code>null</code> if resource is not found.
	*
	* @since 1.0.0
	*/
	public Resource getResource(URI uri) {
	try {
	return getResourceSet().getResource(uri, true);
	} catch (WrappedException ex) {
	if (!WorkbenchResourceHelperBase.isResourceNotFound(ex))
	throw ex;
	}
	return null;
	}

	/**
	* @deprecated use getResourceSet()
	*/
	public ResourceSet getXmiResourceSet() {
	return getResourceSet();
	}

	/**
	* Make sure that all dependent components are initialized before creating the ResourceSet.
	*/
	protected void initializeDependentComponents() {
	//com.ibm.etools.java.init.JavaInit.init();
	}

	/**
	* @deprecated use createResource(URI)
	*/
	public Resource makeXmiResource(String uri) {
	return createResource(URI.createURI(uri));
	}

	/**
	* @deprecated use createResource(URI)
	*/
	public Resource makeXmiResource(String uri, EList anExtent) {
	Resource res = makeXmiResource(uri);
	if (res != null)
	res.getContents().addAll(anExtent);
	return res;
	}

	/**
	* Create the resource for this uri. It will use the resource set of the project to create it.
	*
	* @param uri
	* @return resource
	*
	* @since 1.0.0
	*/
	public Resource createResource(URI uri) {
	return getResourceSet().createResource(uri);
	}

	/*
	* Return the QualifedValue for key for storage in the repository. The key is qualifed with the package name to avoid collision. @return
	* QualifedName @param key java.lang.String
	*/
	private QualifiedName qualifiedKey(String key) {
	return new QualifiedName(getPluginID(), key);
	}

	/**
	* Register the given nature id as an EMFNature.
	*
	* @param natureID
	*
	* @since 1.0.0
	*/
	public static void registerNatureID(String natureID) {
	EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.add(natureID);
	}

	/**
	* Sets the project to which this nature applies. Used when instantiating this project nature runtime. This is called by
	* <code>IProject.addNature</code> and should not be called directly by clients.
	*
	* @param project
	* the project to which this nature applies
	*
	* @since 1.0.0
	*/
	public void setProject(org.eclipse.core.resources.IProject newProject) {
	project = newProject;
	}

	/**
	* Set the server property of the project from the supplied value
	*
	* @param key
	* java.lang.String
	* @param value
	* String
	* @deprecated we cannont use persistent properties because they are not stored in the repository
	*/
	protected void setProjectServerValue(String key, String value) {
	if (key != null) {
	try {
	QualifiedName wholeName = qualifiedKey(key);
	getProject().setPersistentProperty(wholeName, value);
	} catch (CoreException exception) {
	//If we can't find it assume it is null
	exception.printStackTrace();
	return;
	}
	}
	}

	/**
	* Shutdown the EMF nature
	*
	*
	* @since 1.0.0
	*/
	public void shutdown() {
	if (getResourceSet() != null)
	((ProjectResourceSet) getResourceSet()).release();
	}

	/**
	* Return a list of EMFNatures based on the natures that have been configured for this project.
	*
	* @return List of EMFNatures
	* @param project
	* @return list of natures configured for the project.
	* @since 1.0.0
	*/
	public static List getRegisteredRuntimes(IProject project) {
	List result = null;
	EMFNature nature = null;
	if (project != null && project.isAccessible()) {
	String natureID;
	Iterator it = EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.iterator();
	while (it.hasNext()) {
	natureID = (String) it.next();
	try {
	nature = (EMFNature) project.getNature(natureID);
	} catch (CoreException e) {
	}
	if (nature != null) {
	if (result == null)
	result = new ArrayList(2);
	result.add(nature);
	}
	}
	}
	return result == null ? Collections.EMPTY_LIST : result;
	}

	/**
	* Return a list of nature ids based on the natures that have been configured for this project.
	*
	* @return list of configured nature ids.
	* @param project
	*/
	public static List getRegisteredRuntimeIDs(IProject project) {
	List result = null;
	String natureID = null;
	if (project != null && project.isAccessible()) {
	Iterator it = EMFNatureRegistry.singleton().REGISTERED_NATURE_IDS.iterator();
	while (it.hasNext()) {
	natureID = (String) it.next();
	try {
	if (project.hasNature(natureID)) {
	if (result == null)
	result = new ArrayList(2);
	result.add(natureID);
	}
	} catch (CoreException e) {
	}
	}
	}
	return result == null ? Collections.EMPTY_LIST : result;
	}

	/**
	* Return if the project has the given nature.
	*
	* @param project
	* @param natureId
	* @return <code>true</code> if project has given nature
	*
	* @since 1.0.0
	*/
	public static boolean hasRuntime(IProject project, String natureId) {
	if (project == null \|\| !project.isAccessible())
	return false;
	try {
	return project.hasNature(natureId);
	} catch (CoreException e) {
	return false;
	}
	}

	/**
	* Return if the project has any one of the possible given nature ids.
	*
	* @param project
	* @param possibleNatureIds
	* @return <code>true</code> if at least one of the possible natures id is configured for the project.
	*
	* @since 1.0.0
	*/
	public static boolean hasRuntime(IProject project, String[] possibleNatureIds) {
	if (project != null) {
	for (int i = 0; i < possibleNatureIds.length; i++) {
	if (hasRuntime(project, possibleNatureIds[i]))
	return true;
	}
	}
	return false;
	}

	}