examples/org.eclipse.ocl.examples.debug.vm/src/org/eclipse/ocl/examples/debug/vm/core/VMDebugCore.java - ocl/org.eclipse.ocl - Git at Google

 /*******************************************************************************
  * Copyright (c) 2014, 2018 Willink Transformations 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:
  *     R.Dvorak and others - QVTo debugger framework
  *     E.D.Willink - revised API for OCL debugger framework
  *******************************************************************************/
 package org.eclipse.ocl.examples.debug.vm.core;

 import java.io.IOException;
 import java.util.ArrayList;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;

 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.ILog;
 import org.eclipse.core.runtime.IStatus;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.core.runtime.Status;
 import org.eclipse.debug.core.DebugPlugin;
 import org.eclipse.debug.core.model.IBreakpoint;
 import org.eclipse.emf.common.util.Diagnostic;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.plugin.EcorePlugin;
 import org.eclipse.jdt.annotation.NonNull;
 import org.eclipse.jdt.annotation.Nullable;
 import org.eclipse.ocl.examples.debug.vm.utils.Trace;
 import org.eclipse.ocl.xtext.base.as2cs.BaseLocationInFileProvider;

 /**
  * The activator class controls the plug-in life cycle
  */
 public abstract class VMDebugCore
 {
 	public static @NonNull URI getResourceURI(IResource resource) {
 		return URI.createPlatformResourceURI(resource.getFullPath().toString(), true);
 	}

 	//	public static final @NonNull String BREAKPOINT_MARKER_ID = "org.eclipse.ocl.examples.debug.OCLBreakpointMarker"; //$NON-NLS-1$

 	//	public static final @NonNull String MODEL_ID = "org.eclipse.ocl.examples.debug"; //$NON-NLS-1$

 	//	public static final @NonNull String DEBUGGER_ACTIVE_PROPERTY = "org.eclipse.ocl.examples.debug.debuggerActive"; //$NON-NLS-1$

 	// The plug-in fBreakpointID
 	//	public static final @NonNull String PLUGIN_ID = OCLDebugPlugin.PLUGIN_ID; //$NON-NLS-1$

 	// The shared instance
 	//	private static OCLDebugCore plugin;

 	private Map<URI, URI> platformPluginMap;
 	//	private IResourceChangeListener resourceListener;
 	private @NonNull Object pluginMapLock = new Object();

 	/**
 	 * The constructor
 	 */
 	public VMDebugCore() {
 		super();
 	}

 	public void error(String message, Throwable throwable) {
 		error(0, message, throwable);
 	}

 	public void error(Throwable throwable) {
 		error("", throwable); //$NON-NLS-1$
 	}

 	public void error(String message) {
 		error(0, message, null);
 	}

 	/**
 	 * Generates an error log for the specified plug-in, with the specified
 	 * status code, message, and throwable.
 	 *
 	 * @param code
 	 *            The status code for the log.
 	 * @param message
 	 *            The message for the log.
 	 * @param throwable
 	 *            The throwable for the log.
 	 *
 	 */
 	public void error(int code, String message, Throwable throwable) {
 		log(Diagnostic.ERROR, code, message, throwable);
 	}

 	public abstract @NonNull String getBreakpointMarkerId();

 	public abstract @NonNull String getDebuggerActiveProperty();

 	public abstract @NonNull String getModelId();

 	public abstract @Nullable ILog getLog();

 	public abstract @NonNull String getPluginId();

 	public abstract @NonNull Trace getTrace();

 	public abstract @NonNull String getVMThreadName();

 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
 	 *
 	public void start(BundleContext context) throws Exception {
 		super.start(context);
 		plugin = this;

 		TRACE.start(plugin);

 		resourceListener = createResourceListen();
 		ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceListener);
 	} */

 	/*
 	 * (non-Javadoc)
 	 * @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
 	 *
 	public void stop(BundleContext context) throws Exception {
 		plugin = null;
 		super.stop(context);

 		TRACE.stop();
 		if(resourceListener != null) {
 			ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceListener);
 		}
 	} */

 	/**
 	 * Returns the shared instance
 	 *
 	 * @return the shared instance
 	 */
 	//	public static OCLDebugCore getDefault() {
 	//		return plugin;
 	//	}

 	public @NonNull IStatus createDebugError(String string, IOException e) {
 		return createStatus(IStatus.ERROR, string, e);
 	}

 	public @NonNull IStatus createStatus(int severity, String message, Throwable throwable) {
 		return new Status(severity, getPluginId(), message, throwable);
 	}

 	public @NonNull IStatus createStatus(int severity, String message) {
 		return createStatus(severity, message, null);
 	}

 	public @NonNull IStatus createError(String message, int code,  Throwable throwable) {
 		return new Status(IStatus.ERROR, getPluginId(), code, message, throwable);
 	}

 	public abstract @NonNull String getDebugTargetName();

 	public abstract @NonNull String getDebugThreadName();

 	public abstract @NonNull List<@NonNull ? extends VMLineBreakpoint> getLineBreakpoints();

 	public abstract @NonNull BaseLocationInFileProvider getLocationInFileProvider();

 	public @NonNull <@NonNull T extends IBreakpoint> List<T> getOCLBreakpoints(@NonNull Class<T> breakpointType) {
 		IBreakpoint[] breakpoints = DebugPlugin.getDefault().getBreakpointManager().getBreakpoints(getModelId());
 		List<T> result = new ArrayList<T>(breakpoints.length);
 		for (IBreakpoint bp : breakpoints) {
 			if(breakpointType.isInstance(bp)) {
 				result.add(breakpointType.cast(bp));
 			}
 		}
 		return result;
 	}

 	public void log(int severity, int code, String message, Throwable throwable) {
 		//
 		// Status ctor requires a non-null message
 		String msg = message == null
 				? "" //$NON-NLS-1$
 						: message;

 		try {
 			ILog log = getLog();
 			if (log != null) {
 				// Eclipse environment
 				log.log(new Status(severity, getPluginId(), code, msg, throwable));
 			} else {
 				// not in the Eclipse environment
 				//if (shouldTrace()) {
 				switch (code) {
 				case Diagnostic.WARNING :
 					System.err.print("WARNING "); //$NON-NLS-1$
 					break;
 				case Diagnostic.ERROR :
 				case Diagnostic.CANCEL :
 					System.err.print("ERROR "); //$NON-NLS-1$
 					break;
 				default :
 					// don't output INFO or OK messages
 					return;
 				}

 				System.err.print(code);
 				System.err.print(": "); //$NON-NLS-1$
 				System.err.println(message);

 				if (throwable != null) {
 					throwable.printStackTrace(System.err);
 				}
 				//}
 			}
 		} catch (IllegalArgumentException iae) {
 			iae.printStackTrace();
 		}
 	}

 	public void log(IStatus status) {
 		ILog log = getLog();
 		if (log != null) {
 			log.log(status);
 		}
 	}

 	public void log(Throwable e) {
 		log(new Status(IStatus.ERROR, getPluginId(), "Exception caught", e)); //$NON-NLS-1$
 	}

 	public URI resolvePlatformPluginURI(IFile file) {
 		URI uri = URI.createPlatformResourceURI(file.getFullPath().toString(), true);
 		return resolvePlatformPluginURI(uri);
 	}

 	public URI resolvePlatformPluginURI(URI uri) {
 		Map<URI, URI> uriMap = getPlatformPluginMap();

 		if(uri.isPlatformResource() && uri.segmentCount() > 2) {
 			URI baseURI = uri.trimSegments(uri.segmentCount() - 2);
 			// key requires trailing slash
 			URI key = baseURI.appendSegment(""); //$NON-NLS-1$
 			URI mappedBaseURI = uriMap.get(key);
 			if(mappedBaseURI == null) {
 				mappedBaseURI = uriMap.get(baseURI);
 			}

 			if(mappedBaseURI != null) {
 				List<String> segmentsList = uri.segmentsList();
 				segmentsList = segmentsList.subList(2, segmentsList.size());
 				if(mappedBaseURI.hasTrailingPathSeparator()) {
 					mappedBaseURI = mappedBaseURI.trimSegments(1);
 				}
 				return mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
 			}
 		}

 		return null;
 	}

 	/*	public IFile resolveWorskpaceFile(URI uri) {
 		IFile sourceFile = OCLDebugUtil.toFile(uri);

 		if(sourceFile == null && uri.isPlatformPlugin() && uri.segmentCount() > 2) {
 			Map<URI, URI> uriMap = getPlatformPluginMap();

 			URI baseURI = uri.trimSegments(uri.segmentCount() - 2);

 			// key requires trailing slash
 			URI key = baseURI.appendSegment(""); //$NON-NLS-1$
 			URI mappedBaseURI = uriMap.get(key);
 			if(mappedBaseURI == null) {
 				mappedBaseURI = uriMap.get(baseURI);
 			}

 			if(mappedBaseURI != null) {
 				List<String> segmentsList = uri.segmentsList();
 				segmentsList = segmentsList.subList(2, segmentsList.size());
 				URI mappedURI = mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
 				sourceFile = OCLDebugUtil.toFile(mappedURI);
 			}
 		}

 		return sourceFile;
 	} */

 	private Map<URI, URI> getPlatformPluginMap() {
 		synchronized (pluginMapLock) {
 			if(platformPluginMap == null) {
 				platformPluginMap = new HashMap<URI, URI>();

 				Map<URI, URI> plugin2ResourceMap = EcorePlugin.computePlatformPluginToPlatformResourceMap();
 				platformPluginMap.putAll(plugin2ResourceMap);

 				for (Map.Entry<URI, URI> entry : plugin2ResourceMap.entrySet()) {
 					platformPluginMap.put(entry.getValue(), entry.getKey());
 				}
 			}
 		}

 		return platformPluginMap;
 	}

 	/*	private void resetPlatformPluginMap() {
 		synchronized (pluginMapLock) {
 			platformPluginMap = null;
 		}
 	} */

 	/*	private boolean process(IResourceDelta delta) {
 		IResource resource = delta.getResource();
 		if(isManifest(resource)) {
 			return true;
 		}

 		IResourceDelta[] affectedChildren = delta.getAffectedChildren();
 		for (IResourceDelta childDelta : affectedChildren) {
 			if(process(childDelta)) {
 				return true;
 			}
 		}
 		return false;
 	} */

 	/*	private boolean isManifest(IResource resource) {
 		if (resource.getType() == IResource.FILE
 				&& resource.getName().equals("MANIFEST.MF") //$NON-NLS-1$
 				&& resource.getProjectRelativePath().equals(
 						new Path("META-INF/MANIFEST.MF"))) { //$NON-NLS-1$
 			return true;
 		}
 		return false;
 	} */

 	/*	private IResourceChangeListener createResourceListen() {
 		return new IResourceChangeListener() {

 			public void resourceChanged(IResourceChangeEvent event) {
 				if(event.getResource() instanceof IProject) {
 					VMDebugCore.this.resetPlatformPluginMap();
 				}

 				if(event.getDelta() != null) {
 					if(process(event.getDelta())) {
 						VMDebugCore.this.resetPlatformPluginMap();
 					}
 				}
 			}
 		};
 	} */

 	public IFile resolveWorskpaceFile(URI uri) {
 		IFile sourceFile = toFile(uri);

 		/*		if(sourceFile == null && uri.isPlatformPlugin() && uri.segmentCount() > 2) {
 			Map<URI, URI> uriMap = getPlatformPluginMap();

 			URI baseURI = uri.trimSegments(uri.segmentCount() - 2);

 			// key requires trailing slash
 			URI key = baseURI.appendSegment(""); //$NON-NLS-1$
 			URI mappedBaseURI = uriMap.get(key);
 			if(mappedBaseURI == null) {
 				mappedBaseURI = uriMap.get(baseURI);
 			}

 			if(mappedBaseURI != null) {
 				List<String> segmentsList = uri.segmentsList();
 				segmentsList = segmentsList.subList(2, segmentsList.size());
 				URI mappedURI = mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
 				sourceFile = OCLDebugUtil.toFile(mappedURI);
 			}
 		} */
 		return sourceFile;
 	}

 	public IFile toFile(URI uri) {
 		List<IFile> files = toFiles(uri);
 		return files.isEmpty() ? null : files.get(0);
 	}

 	public List<IFile> toFiles(URI uri) {
 		if (uri.isPlatformResource()) {
 			String platformString = uri.toPlatformString(true);
 			IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(platformString));
 			return Collections.singletonList(file);
 		} else if(uri.isFile()) {
 			java.net.URI javaURI;
 			try {
 				javaURI = java.net.URI.create(uri.toString());
 			} catch(IllegalArgumentException e) {
 				// not a valid EMF uri, can't look for IFile
 				log(e);
 				return Collections.emptyList();
 			}

 			IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(javaURI);
 			List<IFile> result = new ArrayList<IFile>(files.length);

 			for (IFile nextFile : files) {
 				result.add(nextFile);
 			}
 			return result;
 		}
 		return Collections.emptyList();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2014, 2018 Willink Transformations 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:
	* R.Dvorak and others - QVTo debugger framework
	* E.D.Willink - revised API for OCL debugger framework
	*******************************************************************************/
	package org.eclipse.ocl.examples.debug.vm.core;

	import java.io.IOException;
	import java.util.ArrayList;
	import java.util.Collections;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.ILog;
	import org.eclipse.core.runtime.IStatus;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.core.runtime.Status;
	import org.eclipse.debug.core.DebugPlugin;
	import org.eclipse.debug.core.model.IBreakpoint;
	import org.eclipse.emf.common.util.Diagnostic;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.plugin.EcorePlugin;
	import org.eclipse.jdt.annotation.NonNull;
	import org.eclipse.jdt.annotation.Nullable;
	import org.eclipse.ocl.examples.debug.vm.utils.Trace;
	import org.eclipse.ocl.xtext.base.as2cs.BaseLocationInFileProvider;

	/**
	* The activator class controls the plug-in life cycle
	*/
	public abstract class VMDebugCore
	{
	public static @NonNull URI getResourceURI(IResource resource) {
	return URI.createPlatformResourceURI(resource.getFullPath().toString(), true);
	}

	// public static final @NonNull String BREAKPOINT_MARKER_ID = "org.eclipse.ocl.examples.debug.OCLBreakpointMarker"; //$NON-NLS-1$

	// public static final @NonNull String MODEL_ID = "org.eclipse.ocl.examples.debug"; //$NON-NLS-1$

	// public static final @NonNull String DEBUGGER_ACTIVE_PROPERTY = "org.eclipse.ocl.examples.debug.debuggerActive"; //$NON-NLS-1$

	// The plug-in fBreakpointID
	// public static final @NonNull String PLUGIN_ID = OCLDebugPlugin.PLUGIN_ID; //$NON-NLS-1$

	// The shared instance
	// private static OCLDebugCore plugin;

	private Map<URI, URI> platformPluginMap;
	// private IResourceChangeListener resourceListener;
	private @NonNull Object pluginMapLock = new Object();

	/**
	* The constructor
	*/
	public VMDebugCore() {
	super();
	}

	public void error(String message, Throwable throwable) {
	error(0, message, throwable);
	}

	public void error(Throwable throwable) {
	error("", throwable); //$NON-NLS-1$
	}

	public void error(String message) {
	error(0, message, null);
	}

	/**
	* Generates an error log for the specified plug-in, with the specified
	* status code, message, and throwable.
	*
	* @param code
	* The status code for the log.
	* @param message
	* The message for the log.
	* @param throwable
	* The throwable for the log.
	*
	*/
	public void error(int code, String message, Throwable throwable) {
	log(Diagnostic.ERROR, code, message, throwable);
	}

	public abstract @NonNull String getBreakpointMarkerId();

	public abstract @NonNull String getDebuggerActiveProperty();

	public abstract @NonNull String getModelId();

	public abstract @Nullable ILog getLog();

	public abstract @NonNull String getPluginId();

	public abstract @NonNull Trace getTrace();

	public abstract @NonNull String getVMThreadName();

	/*
	* (non-Javadoc)
	* @see org.eclipse.core.runtime.Plugins#start(org.osgi.framework.BundleContext)
	*
	public void start(BundleContext context) throws Exception {
	super.start(context);
	plugin = this;

	TRACE.start(plugin);

	resourceListener = createResourceListen();
	ResourcesPlugin.getWorkspace().addResourceChangeListener(resourceListener);
	} */

	/*
	* (non-Javadoc)
	* @see org.eclipse.core.runtime.Plugin#stop(org.osgi.framework.BundleContext)
	*
	public void stop(BundleContext context) throws Exception {
	plugin = null;
	super.stop(context);

	TRACE.stop();
	if(resourceListener != null) {
	ResourcesPlugin.getWorkspace().removeResourceChangeListener(resourceListener);
	}
	} */

	/**
	* Returns the shared instance
	*
	* @return the shared instance
	*/
	// public static OCLDebugCore getDefault() {
	// return plugin;
	// }

	public @NonNull IStatus createDebugError(String string, IOException e) {
	return createStatus(IStatus.ERROR, string, e);
	}

	public @NonNull IStatus createStatus(int severity, String message, Throwable throwable) {
	return new Status(severity, getPluginId(), message, throwable);
	}

	public @NonNull IStatus createStatus(int severity, String message) {
	return createStatus(severity, message, null);
	}

	public @NonNull IStatus createError(String message, int code, Throwable throwable) {
	return new Status(IStatus.ERROR, getPluginId(), code, message, throwable);
	}

	public abstract @NonNull String getDebugTargetName();

	public abstract @NonNull String getDebugThreadName();

	public abstract @NonNull List<@NonNull ? extends VMLineBreakpoint> getLineBreakpoints();

	public abstract @NonNull BaseLocationInFileProvider getLocationInFileProvider();

	public @NonNull <@NonNull T extends IBreakpoint> List<T> getOCLBreakpoints(@NonNull Class<T> breakpointType) {
	IBreakpoint[] breakpoints = DebugPlugin.getDefault().getBreakpointManager().getBreakpoints(getModelId());
	List<T> result = new ArrayList<T>(breakpoints.length);
	for (IBreakpoint bp : breakpoints) {
	if(breakpointType.isInstance(bp)) {
	result.add(breakpointType.cast(bp));
	}
	}
	return result;
	}

	public void log(int severity, int code, String message, Throwable throwable) {
	//
	// Status ctor requires a non-null message
	String msg = message == null
	? "" //$NON-NLS-1$
	: message;

	try {
	ILog log = getLog();
	if (log != null) {
	// Eclipse environment
	log.log(new Status(severity, getPluginId(), code, msg, throwable));
	} else {
	// not in the Eclipse environment
	//if (shouldTrace()) {
	switch (code) {
	case Diagnostic.WARNING :
	System.err.print("WARNING "); //$NON-NLS-1$
	break;
	case Diagnostic.ERROR :
	case Diagnostic.CANCEL :
	System.err.print("ERROR "); //$NON-NLS-1$
	break;
	default :
	// don't output INFO or OK messages
	return;
	}

	System.err.print(code);
	System.err.print(": "); //$NON-NLS-1$
	System.err.println(message);

	if (throwable != null) {
	throwable.printStackTrace(System.err);
	}
	//}
	}
	} catch (IllegalArgumentException iae) {
	iae.printStackTrace();
	}
	}

	public void log(IStatus status) {
	ILog log = getLog();
	if (log != null) {
	log.log(status);
	}
	}

	public void log(Throwable e) {
	log(new Status(IStatus.ERROR, getPluginId(), "Exception caught", e)); //$NON-NLS-1$
	}

	public URI resolvePlatformPluginURI(IFile file) {
	URI uri = URI.createPlatformResourceURI(file.getFullPath().toString(), true);
	return resolvePlatformPluginURI(uri);
	}

	public URI resolvePlatformPluginURI(URI uri) {
	Map<URI, URI> uriMap = getPlatformPluginMap();

	if(uri.isPlatformResource() && uri.segmentCount() > 2) {
	URI baseURI = uri.trimSegments(uri.segmentCount() - 2);
	// key requires trailing slash
	URI key = baseURI.appendSegment(""); //$NON-NLS-1$
	URI mappedBaseURI = uriMap.get(key);
	if(mappedBaseURI == null) {
	mappedBaseURI = uriMap.get(baseURI);
	}

	if(mappedBaseURI != null) {
	List<String> segmentsList = uri.segmentsList();
	segmentsList = segmentsList.subList(2, segmentsList.size());
	if(mappedBaseURI.hasTrailingPathSeparator()) {
	mappedBaseURI = mappedBaseURI.trimSegments(1);
	}
	return mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
	}
	}

	return null;
	}

	/* public IFile resolveWorskpaceFile(URI uri) {
	IFile sourceFile = OCLDebugUtil.toFile(uri);

	if(sourceFile == null && uri.isPlatformPlugin() && uri.segmentCount() > 2) {
	Map<URI, URI> uriMap = getPlatformPluginMap();

	URI baseURI = uri.trimSegments(uri.segmentCount() - 2);

	// key requires trailing slash
	URI key = baseURI.appendSegment(""); //$NON-NLS-1$
	URI mappedBaseURI = uriMap.get(key);
	if(mappedBaseURI == null) {
	mappedBaseURI = uriMap.get(baseURI);
	}

	if(mappedBaseURI != null) {
	List<String> segmentsList = uri.segmentsList();
	segmentsList = segmentsList.subList(2, segmentsList.size());
	URI mappedURI = mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
	sourceFile = OCLDebugUtil.toFile(mappedURI);
	}
	}

	return sourceFile;
	} */

	private Map<URI, URI> getPlatformPluginMap() {
	synchronized (pluginMapLock) {
	if(platformPluginMap == null) {
	platformPluginMap = new HashMap<URI, URI>();

	Map<URI, URI> plugin2ResourceMap = EcorePlugin.computePlatformPluginToPlatformResourceMap();
	platformPluginMap.putAll(plugin2ResourceMap);

	for (Map.Entry<URI, URI> entry : plugin2ResourceMap.entrySet()) {
	platformPluginMap.put(entry.getValue(), entry.getKey());
	}
	}
	}

	return platformPluginMap;
	}

	/* private void resetPlatformPluginMap() {
	synchronized (pluginMapLock) {
	platformPluginMap = null;
	}
	} */

	/* private boolean process(IResourceDelta delta) {
	IResource resource = delta.getResource();
	if(isManifest(resource)) {
	return true;
	}

	IResourceDelta[] affectedChildren = delta.getAffectedChildren();
	for (IResourceDelta childDelta : affectedChildren) {
	if(process(childDelta)) {
	return true;
	}
	}
	return false;
	} */

	/* private boolean isManifest(IResource resource) {
	if (resource.getType() == IResource.FILE
	&& resource.getName().equals("MANIFEST.MF") //$NON-NLS-1$
	&& resource.getProjectRelativePath().equals(
	new Path("META-INF/MANIFEST.MF"))) { //$NON-NLS-1$
	return true;
	}
	return false;
	} */

	/* private IResourceChangeListener createResourceListen() {
	return new IResourceChangeListener() {

	public void resourceChanged(IResourceChangeEvent event) {
	if(event.getResource() instanceof IProject) {
	VMDebugCore.this.resetPlatformPluginMap();
	}

	if(event.getDelta() != null) {
	if(process(event.getDelta())) {
	VMDebugCore.this.resetPlatformPluginMap();
	}
	}
	}
	};
	} */

	public IFile resolveWorskpaceFile(URI uri) {
	IFile sourceFile = toFile(uri);

	/* if(sourceFile == null && uri.isPlatformPlugin() && uri.segmentCount() > 2) {
	Map<URI, URI> uriMap = getPlatformPluginMap();

	URI baseURI = uri.trimSegments(uri.segmentCount() - 2);

	// key requires trailing slash
	URI key = baseURI.appendSegment(""); //$NON-NLS-1$
	URI mappedBaseURI = uriMap.get(key);
	if(mappedBaseURI == null) {
	mappedBaseURI = uriMap.get(baseURI);
	}

	if(mappedBaseURI != null) {
	List<String> segmentsList = uri.segmentsList();
	segmentsList = segmentsList.subList(2, segmentsList.size());
	URI mappedURI = mappedBaseURI.appendSegments(segmentsList.toArray(new String[segmentsList.size()]));
	sourceFile = OCLDebugUtil.toFile(mappedURI);
	}
	} */
	return sourceFile;
	}

	public IFile toFile(URI uri) {
	List<IFile> files = toFiles(uri);
	return files.isEmpty() ? null : files.get(0);
	}

	public List<IFile> toFiles(URI uri) {
	if (uri.isPlatformResource()) {
	String platformString = uri.toPlatformString(true);
	IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(platformString));
	return Collections.singletonList(file);
	} else if(uri.isFile()) {
	java.net.URI javaURI;
	try {
	javaURI = java.net.URI.create(uri.toString());
	} catch(IllegalArgumentException e) {
	// not a valid EMF uri, can't look for IFile
	log(e);
	return Collections.emptyList();
	}

	IFile[] files = ResourcesPlugin.getWorkspace().getRoot().findFilesForLocationURI(javaURI);
	List<IFile> result = new ArrayList<IFile>(files.length);

	for (IFile nextFile : files) {
	result.add(nextFile);
	}
	return result;
	}
	return Collections.emptyList();
	}
	}