org.eclipse.jdt.debug.tests/test plugin/org/eclipse/jdt/debug/testplugin/JavaProjectHelper.java - jdt/eclipse.jdt.debug - Git at Google

 /*******************************************************************************
  * Copyright (c) 2000, 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
  *******************************************************************************/
 package org.eclipse.jdt.debug.testplugin;

 import java.io.File;
 import java.io.FileInputStream;
 import java.io.IOException;
 import java.io.InputStream;
 import java.lang.reflect.InvocationTargetException;
 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;
 import java.util.zip.ZipFile;

 import org.eclipse.core.resources.IContainer;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.core.resources.IFolder;
 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IProjectDescription;
 import org.eclipse.core.resources.IResource;
 import org.eclipse.core.resources.IWorkspaceRoot;
 import org.eclipse.core.resources.ResourcesPlugin;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.IPath;
 import org.eclipse.core.runtime.IProgressMonitor;
 import org.eclipse.core.runtime.Path;
 import org.eclipse.jdt.core.IClasspathEntry;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jdt.core.IPackageFragmentRoot;
 import org.eclipse.jdt.core.JavaCore;
 import org.eclipse.jdt.core.JavaModelException;
 import org.eclipse.jdt.internal.core.ClasspathEntry;
 import org.eclipse.ui.dialogs.IOverwriteQuery;
 import org.eclipse.ui.wizards.datatransfer.FileSystemStructureProvider;
 import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider;
 import org.eclipse.ui.wizards.datatransfer.ImportOperation;
 import org.eclipse.ui.wizards.datatransfer.ZipFileStructureProvider;

 /**
  * Helper methods to set up a IJavaProject.
  */
 public class JavaProjectHelper {

 	public static final IPath TEST_SRC_DIR= new Path("testprograms");
 	public static final IPath TEST_COMPILE_ERROR = new Path("testresources/CompilationError.java");

 	/**
 	 * Creates a IJavaProject.
 	 */
 	public static IJavaProject createJavaProject(String projectName, String binFolderName) throws CoreException {
 		IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
 		IProject project= root.getProject(projectName);
 		if (!project.exists()) {
 			project.create(null);
 		} else {
 			project.refreshLocal(IResource.DEPTH_INFINITE, null);
 		}

 		if (!project.isOpen()) {
 			project.open(null);
 		}

 		IPath outputLocation;
 		if (binFolderName != null && binFolderName.length() > 0) {
 			IFolder binFolder= project.getFolder(binFolderName);
 			if (!binFolder.exists()) {
 				binFolder.create(false, true, null);
 			}
 			outputLocation= binFolder.getFullPath();
 		} else {
 			outputLocation= project.getFullPath();
 		}

 		if (!project.hasNature(JavaCore.NATURE_ID)) {
 			addNatureToProject(project, JavaCore.NATURE_ID, null);
 		}

 		IJavaProject jproject= JavaCore.create(project);

 		jproject.setOutputLocation(outputLocation, null);
 		jproject.setRawClasspath(new IClasspathEntry[0], null);

 		return jproject;
 	}

 	/**
 	 * Creates a IJavaProject.
 	 */
 	public static IJavaProject createJavaProject(String projectName) throws CoreException {
 		IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
 		IProject project= root.getProject(projectName);
 		if (!project.exists()) {
 			project.create(null);
 		} else {
 			project.refreshLocal(IResource.DEPTH_INFINITE, null);
 		}

 		if (!project.isOpen()) {
 			project.open(null);
 		}

 		if (!project.hasNature(JavaCore.NATURE_ID)) {
 			addNatureToProject(project, JavaCore.NATURE_ID, null);
 		}

 		IJavaProject jproject= JavaCore.create(project);

 		jproject.setRawClasspath(new IClasspathEntry[0], null);

 		return jproject;
 	}

 	/**
 	 * Removes a IJavaProject.
 	 */
 	public static void delete(IJavaProject jproject) throws CoreException {
 		jproject.setRawClasspath(new ClasspathEntry[0], jproject.getProject().getFullPath(), null);
 		jproject.getProject().delete(true, true, null);
 	}


 	/**
 	 * Adds a source container to a IJavaProject.
 	 */
 	public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName) throws CoreException {
 		IProject project= jproject.getProject();
 		IContainer container= null;
 		if (containerName == null || containerName.length() == 0) {
 			container= project;
 		} else {
 			IFolder folder= project.getFolder(containerName);
 			if (!folder.exists()) {
 				folder.create(false, true, null);
 			}
 			container= folder;
 		}
 		IPackageFragmentRoot root= jproject.getPackageFragmentRoot(container);

 		IClasspathEntry cpe= JavaCore.newSourceEntry(root.getPath());
 		addToClasspath(jproject, cpe);
 		return root;
 	}

 	/**
 	 * Adds a source container to a IJavaProject.
 	 */
 	public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName, String outputName) throws CoreException {
 		IProject project= jproject.getProject();
 		IContainer container= null;
 		if (containerName == null || containerName.length() == 0) {
 			container= project;
 		} else {
 			IFolder folder= project.getFolder(containerName);
 			if (!folder.exists()) {
 				folder.create(false, true, null);
 			}
 			container= folder;
 		}
 		IPackageFragmentRoot root= jproject.getPackageFragmentRoot(container);

 		IFolder output = null;
 		if (outputName!= null) {
 			output = project.getFolder(outputName);
 			if (!output.exists()) {
 				output.create(false, true, null);
 			}
 		}

 		IClasspathEntry cpe= JavaCore.newSourceEntry(root.getPath(), new IPath[0], output.getFullPath());

 		addToClasspath(jproject, cpe);
 		return root;
 	}

 	/**
 	 * Adds a source container to a IJavaProject and imports all files contained
 	 * in the given Zip file.
 	 */
 	public static IPackageFragmentRoot addSourceContainerWithImport(IJavaProject jproject, String containerName, ZipFile zipFile) throws InvocationTargetException, CoreException {
 		IPackageFragmentRoot root= addSourceContainer(jproject, containerName);
 		importFilesFromZip(zipFile, root.getPath(), null);
 		return root;
 	}

 	/**
 	 * Removes a source folder from a IJavaProject.
 	 */
 	public static void removeSourceContainer(IJavaProject jproject, String containerName) throws CoreException {
 		IFolder folder= jproject.getProject().getFolder(containerName);
 		removeFromClasspath(jproject, folder.getFullPath());
 		folder.delete(true, null);
 	}

 	/**
 	 * Adds a library entry to a IJavaProject.
 	 */
 	public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path) throws JavaModelException {
 		return addLibrary(jproject, path, null, null);
 	}

 	/**
 	 * Adds a library entry with source attchment to a IJavaProject.
 	 */
 	public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path, IPath sourceAttachPath, IPath sourceAttachRoot) throws JavaModelException {
 		IClasspathEntry cpe= JavaCore.newLibraryEntry(path, sourceAttachPath, sourceAttachRoot);
 		addToClasspath(jproject, cpe);
 		return jproject.getPackageFragmentRoot(path.toString());
 	}

 	/**
 	 * Copies the library into the project and adds it as library entry.
 	 */
 	public static IPackageFragmentRoot addLibraryWithImport(IJavaProject jproject, IPath jarPath, IPath sourceAttachPath, IPath sourceAttachRoot) throws IOException, CoreException {
 		IProject project= jproject.getProject();
 		IFile newFile= project.getFile(jarPath.lastSegment());
 		InputStream inputStream= null;
 		try {
 			inputStream= new FileInputStream(jarPath.toFile());
 			newFile.create(inputStream, true, null);
 		} finally {
 			if (inputStream != null) {
 				try { inputStream.close(); } catch (IOException e) { }
 			}
 		}
 		return addLibrary(jproject, newFile.getFullPath(), sourceAttachPath, sourceAttachRoot);
 	}


 	/**
 	 * Adds a variable entry with source attchment to a IJavaProject.
 	 * Can return null if variable can not be resolved.
 	 */
 	public static IPackageFragmentRoot addVariableEntry(IJavaProject jproject, IPath path, IPath sourceAttachPath, IPath sourceAttachRoot) throws JavaModelException {
 		IClasspathEntry cpe= JavaCore.newVariableEntry(path, sourceAttachPath, sourceAttachRoot);
 		addToClasspath(jproject, cpe);
 		IPath resolvedPath= JavaCore.getResolvedVariablePath(path);
 		if (resolvedPath != null) {
 			return jproject.getPackageFragmentRoot(resolvedPath.toString());
 		}
 		return null;
 	}

 	public static void addContainerEntry(IJavaProject project, IPath container) throws JavaModelException {
 		IClasspathEntry cpe = JavaCore.newContainerEntry(container, false);
 		addToClasspath(project, cpe);
 	}

 	/**
 	 * Adds a required project entry.
 	 */
 	public static void addRequiredProject(IJavaProject jproject, IJavaProject required) throws JavaModelException {
 		IClasspathEntry cpe= JavaCore.newProjectEntry(required.getProject().getFullPath());
 		addToClasspath(jproject, cpe);
 	}

 	public static void removeFromClasspath(IJavaProject jproject, IPath path) throws JavaModelException {
 		IClasspathEntry[] oldEntries= jproject.getRawClasspath();
 		int nEntries= oldEntries.length;
 		ArrayList list= new ArrayList(nEntries);
 		for (int i= 0 ; i < nEntries ; i++) {
 			IClasspathEntry curr= oldEntries[i];
 			if (!path.equals(curr.getPath())) {
 				list.add(curr);
 			}
 		}
 		IClasspathEntry[] newEntries= (IClasspathEntry[])list.toArray(new IClasspathEntry[list.size()]);
 		jproject.setRawClasspath(newEntries, null);
 	}

 	private static void addToClasspath(IJavaProject jproject, IClasspathEntry cpe) throws JavaModelException {
 		IClasspathEntry[] oldEntries= jproject.getRawClasspath();
 		for (int i= 0; i < oldEntries.length; i++) {
 			if (oldEntries[i].equals(cpe)) {
 				return;
 			}
 		}
 		int nEntries= oldEntries.length;
 		IClasspathEntry[] newEntries= new IClasspathEntry[nEntries + 1];
 		System.arraycopy(oldEntries, 0, newEntries, 0, nEntries);
 		newEntries[nEntries]= cpe;
 		jproject.setRawClasspath(newEntries, null);
 	}


 	private static void addNatureToProject(IProject proj, String natureId, IProgressMonitor monitor) throws CoreException {
 		IProjectDescription description = proj.getDescription();
 		String[] prevNatures= description.getNatureIds();
 		String[] newNatures= new String[prevNatures.length + 1];
 		System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
 		newNatures[prevNatures.length]= natureId;
 		description.setNatureIds(newNatures);
 		proj.setDescription(description, monitor);
 	}

 	private static void importFilesFromZip(ZipFile srcZipFile, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException {
 		ZipFileStructureProvider structureProvider=	new ZipFileStructureProvider(srcZipFile);
 		try {
 			ImportOperation op= new ImportOperation(destPath, structureProvider.getRoot(), structureProvider, new ImportOverwriteQuery());
 			op.run(monitor);
 		} catch (InterruptedException e) {
 			// should not happen
 		}
 	}

 	public static void importFilesFromDirectory(File rootDir, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException, IOException {
 		IImportStructureProvider structureProvider = FileSystemStructureProvider.INSTANCE;
 		List files = new ArrayList(100);
 		addJavaFiles(rootDir, files);
 		try {
 			ImportOperation op= new ImportOperation(destPath, rootDir, structureProvider, new ImportOverwriteQuery(), files);
 			op.setCreateContainerStructure(false);
 			op.run(monitor);
 		} catch (InterruptedException e) {
 			// should not happen
 		}
 	}

 	public static void importFile(File file, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException {
 		IImportStructureProvider structureProvider = FileSystemStructureProvider.INSTANCE;
 		List files = new ArrayList(1);
 		files.add(file);
 		try {
 			ImportOperation op= new ImportOperation(destPath, file.getParentFile(), structureProvider, new ImportOverwriteQuery(), files);
 			op.setCreateContainerStructure(false);
 			op.run(monitor);
 		} catch (InterruptedException e) {
 			// should not happen
 		}
 	}

 	private static void addJavaFiles(File dir, List collection) throws IOException {
 		File[] files = dir.listFiles();
 		List subDirs = new ArrayList(2);
 		for (int i = 0; i < files.length; i++) {
 			if (files[i].isFile()) {
 				collection.add(files[i]);
 			} else if (files[i].isDirectory()) {
 				subDirs.add(files[i]);
 			}
 		}
 		Iterator iter = subDirs.iterator();
 		while (iter.hasNext()) {
 			File subDir = (File)iter.next();
 			addJavaFiles(subDir, collection);
 		}
 	}

 	private static class ImportOverwriteQuery implements IOverwriteQuery {
 		public String queryOverwrite(String file) {
 			return ALL;
 		}
 	}


 }
	/*******************************************************************************
	* Copyright (c) 2000, 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
	*******************************************************************************/
	package org.eclipse.jdt.debug.testplugin;

	import java.io.File;
	import java.io.FileInputStream;
	import java.io.IOException;
	import java.io.InputStream;
	import java.lang.reflect.InvocationTargetException;
	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;
	import java.util.zip.ZipFile;

	import org.eclipse.core.resources.IContainer;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.core.resources.IFolder;
	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IProjectDescription;
	import org.eclipse.core.resources.IResource;
	import org.eclipse.core.resources.IWorkspaceRoot;
	import org.eclipse.core.resources.ResourcesPlugin;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.IPath;
	import org.eclipse.core.runtime.IProgressMonitor;
	import org.eclipse.core.runtime.Path;
	import org.eclipse.jdt.core.IClasspathEntry;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jdt.core.IPackageFragmentRoot;
	import org.eclipse.jdt.core.JavaCore;
	import org.eclipse.jdt.core.JavaModelException;
	import org.eclipse.jdt.internal.core.ClasspathEntry;
	import org.eclipse.ui.dialogs.IOverwriteQuery;
	import org.eclipse.ui.wizards.datatransfer.FileSystemStructureProvider;
	import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider;
	import org.eclipse.ui.wizards.datatransfer.ImportOperation;
	import org.eclipse.ui.wizards.datatransfer.ZipFileStructureProvider;

	/**
	* Helper methods to set up a IJavaProject.
	*/
	public class JavaProjectHelper {

	public static final IPath TEST_SRC_DIR= new Path("testprograms");
	public static final IPath TEST_COMPILE_ERROR = new Path("testresources/CompilationError.java");

	/**
	* Creates a IJavaProject.
	*/
	public static IJavaProject createJavaProject(String projectName, String binFolderName) throws CoreException {
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	IProject project= root.getProject(projectName);
	if (!project.exists()) {
	project.create(null);
	} else {
	project.refreshLocal(IResource.DEPTH_INFINITE, null);
	}

	if (!project.isOpen()) {
	project.open(null);
	}

	IPath outputLocation;
	if (binFolderName != null && binFolderName.length() > 0) {
	IFolder binFolder= project.getFolder(binFolderName);
	if (!binFolder.exists()) {
	binFolder.create(false, true, null);
	}
	outputLocation= binFolder.getFullPath();
	} else {
	outputLocation= project.getFullPath();
	}

	if (!project.hasNature(JavaCore.NATURE_ID)) {
	addNatureToProject(project, JavaCore.NATURE_ID, null);
	}

	IJavaProject jproject= JavaCore.create(project);

	jproject.setOutputLocation(outputLocation, null);
	jproject.setRawClasspath(new IClasspathEntry[0], null);

	return jproject;
	}

	/**
	* Creates a IJavaProject.
	*/
	public static IJavaProject createJavaProject(String projectName) throws CoreException {
	IWorkspaceRoot root= ResourcesPlugin.getWorkspace().getRoot();
	IProject project= root.getProject(projectName);
	if (!project.exists()) {
	project.create(null);
	} else {
	project.refreshLocal(IResource.DEPTH_INFINITE, null);
	}

	if (!project.isOpen()) {
	project.open(null);
	}

	if (!project.hasNature(JavaCore.NATURE_ID)) {
	addNatureToProject(project, JavaCore.NATURE_ID, null);
	}

	IJavaProject jproject= JavaCore.create(project);

	jproject.setRawClasspath(new IClasspathEntry[0], null);

	return jproject;
	}

	/**
	* Removes a IJavaProject.
	*/
	public static void delete(IJavaProject jproject) throws CoreException {
	jproject.setRawClasspath(new ClasspathEntry[0], jproject.getProject().getFullPath(), null);
	jproject.getProject().delete(true, true, null);
	}


	/**
	* Adds a source container to a IJavaProject.
	*/
	public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName) throws CoreException {
	IProject project= jproject.getProject();
	IContainer container= null;
	if (containerName == null \|\| containerName.length() == 0) {
	container= project;
	} else {
	IFolder folder= project.getFolder(containerName);
	if (!folder.exists()) {
	folder.create(false, true, null);
	}
	container= folder;
	}
	IPackageFragmentRoot root= jproject.getPackageFragmentRoot(container);

	IClasspathEntry cpe= JavaCore.newSourceEntry(root.getPath());
	addToClasspath(jproject, cpe);
	return root;
	}

	/**
	* Adds a source container to a IJavaProject.
	*/
	public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName, String outputName) throws CoreException {
	IProject project= jproject.getProject();
	IContainer container= null;
	if (containerName == null \|\| containerName.length() == 0) {
	container= project;
	} else {
	IFolder folder= project.getFolder(containerName);
	if (!folder.exists()) {
	folder.create(false, true, null);
	}
	container= folder;
	}
	IPackageFragmentRoot root= jproject.getPackageFragmentRoot(container);

	IFolder output = null;
	if (outputName!= null) {
	output = project.getFolder(outputName);
	if (!output.exists()) {
	output.create(false, true, null);
	}
	}

	IClasspathEntry cpe= JavaCore.newSourceEntry(root.getPath(), new IPath[0], output.getFullPath());

	addToClasspath(jproject, cpe);
	return root;
	}

	/**
	* Adds a source container to a IJavaProject and imports all files contained
	* in the given Zip file.
	*/
	public static IPackageFragmentRoot addSourceContainerWithImport(IJavaProject jproject, String containerName, ZipFile zipFile) throws InvocationTargetException, CoreException {
	IPackageFragmentRoot root= addSourceContainer(jproject, containerName);
	importFilesFromZip(zipFile, root.getPath(), null);
	return root;
	}

	/**
	* Removes a source folder from a IJavaProject.
	*/
	public static void removeSourceContainer(IJavaProject jproject, String containerName) throws CoreException {
	IFolder folder= jproject.getProject().getFolder(containerName);
	removeFromClasspath(jproject, folder.getFullPath());
	folder.delete(true, null);
	}

	/**
	* Adds a library entry to a IJavaProject.
	*/
	public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path) throws JavaModelException {
	return addLibrary(jproject, path, null, null);
	}

	/**
	* Adds a library entry with source attchment to a IJavaProject.
	*/
	public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path, IPath sourceAttachPath, IPath sourceAttachRoot) throws JavaModelException {
	IClasspathEntry cpe= JavaCore.newLibraryEntry(path, sourceAttachPath, sourceAttachRoot);
	addToClasspath(jproject, cpe);
	return jproject.getPackageFragmentRoot(path.toString());
	}

	/**
	* Copies the library into the project and adds it as library entry.
	*/
	public static IPackageFragmentRoot addLibraryWithImport(IJavaProject jproject, IPath jarPath, IPath sourceAttachPath, IPath sourceAttachRoot) throws IOException, CoreException {
	IProject project= jproject.getProject();
	IFile newFile= project.getFile(jarPath.lastSegment());
	InputStream inputStream= null;
	try {
	inputStream= new FileInputStream(jarPath.toFile());
	newFile.create(inputStream, true, null);
	} finally {
	if (inputStream != null) {
	try { inputStream.close(); } catch (IOException e) { }
	}
	}
	return addLibrary(jproject, newFile.getFullPath(), sourceAttachPath, sourceAttachRoot);
	}


	/**
	* Adds a variable entry with source attchment to a IJavaProject.
	* Can return null if variable can not be resolved.
	*/
	public static IPackageFragmentRoot addVariableEntry(IJavaProject jproject, IPath path, IPath sourceAttachPath, IPath sourceAttachRoot) throws JavaModelException {
	IClasspathEntry cpe= JavaCore.newVariableEntry(path, sourceAttachPath, sourceAttachRoot);
	addToClasspath(jproject, cpe);
	IPath resolvedPath= JavaCore.getResolvedVariablePath(path);
	if (resolvedPath != null) {
	return jproject.getPackageFragmentRoot(resolvedPath.toString());
	}
	return null;
	}

	public static void addContainerEntry(IJavaProject project, IPath container) throws JavaModelException {
	IClasspathEntry cpe = JavaCore.newContainerEntry(container, false);
	addToClasspath(project, cpe);
	}

	/**
	* Adds a required project entry.
	*/
	public static void addRequiredProject(IJavaProject jproject, IJavaProject required) throws JavaModelException {
	IClasspathEntry cpe= JavaCore.newProjectEntry(required.getProject().getFullPath());
	addToClasspath(jproject, cpe);
	}

	public static void removeFromClasspath(IJavaProject jproject, IPath path) throws JavaModelException {
	IClasspathEntry[] oldEntries= jproject.getRawClasspath();
	int nEntries= oldEntries.length;
	ArrayList list= new ArrayList(nEntries);
	for (int i= 0 ; i < nEntries ; i++) {
	IClasspathEntry curr= oldEntries[i];
	if (!path.equals(curr.getPath())) {
	list.add(curr);
	}
	}
	IClasspathEntry[] newEntries= (IClasspathEntry[])list.toArray(new IClasspathEntry[list.size()]);
	jproject.setRawClasspath(newEntries, null);
	}

	private static void addToClasspath(IJavaProject jproject, IClasspathEntry cpe) throws JavaModelException {
	IClasspathEntry[] oldEntries= jproject.getRawClasspath();
	for (int i= 0; i < oldEntries.length; i++) {
	if (oldEntries[i].equals(cpe)) {
	return;
	}
	}
	int nEntries= oldEntries.length;
	IClasspathEntry[] newEntries= new IClasspathEntry[nEntries + 1];
	System.arraycopy(oldEntries, 0, newEntries, 0, nEntries);
	newEntries[nEntries]= cpe;
	jproject.setRawClasspath(newEntries, null);
	}


	private static void addNatureToProject(IProject proj, String natureId, IProgressMonitor monitor) throws CoreException {
	IProjectDescription description = proj.getDescription();
	String[] prevNatures= description.getNatureIds();
	String[] newNatures= new String[prevNatures.length + 1];
	System.arraycopy(prevNatures, 0, newNatures, 0, prevNatures.length);
	newNatures[prevNatures.length]= natureId;
	description.setNatureIds(newNatures);
	proj.setDescription(description, monitor);
	}

	private static void importFilesFromZip(ZipFile srcZipFile, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException {
	ZipFileStructureProvider structureProvider= new ZipFileStructureProvider(srcZipFile);
	try {
	ImportOperation op= new ImportOperation(destPath, structureProvider.getRoot(), structureProvider, new ImportOverwriteQuery());
	op.run(monitor);
	} catch (InterruptedException e) {
	// should not happen
	}
	}

	public static void importFilesFromDirectory(File rootDir, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException, IOException {
	IImportStructureProvider structureProvider = FileSystemStructureProvider.INSTANCE;
	List files = new ArrayList(100);
	addJavaFiles(rootDir, files);
	try {
	ImportOperation op= new ImportOperation(destPath, rootDir, structureProvider, new ImportOverwriteQuery(), files);
	op.setCreateContainerStructure(false);
	op.run(monitor);
	} catch (InterruptedException e) {
	// should not happen
	}
	}

	public static void importFile(File file, IPath destPath, IProgressMonitor monitor) throws InvocationTargetException {
	IImportStructureProvider structureProvider = FileSystemStructureProvider.INSTANCE;
	List files = new ArrayList(1);
	files.add(file);
	try {
	ImportOperation op= new ImportOperation(destPath, file.getParentFile(), structureProvider, new ImportOverwriteQuery(), files);
	op.setCreateContainerStructure(false);
	op.run(monitor);
	} catch (InterruptedException e) {
	// should not happen
	}
	}

	private static void addJavaFiles(File dir, List collection) throws IOException {
	File[] files = dir.listFiles();
	List subDirs = new ArrayList(2);
	for (int i = 0; i < files.length; i++) {
	if (files[i].isFile()) {
	collection.add(files[i]);
	} else if (files[i].isDirectory()) {
	subDirs.add(files[i]);
	}
	}
	Iterator iter = subDirs.iterator();
	while (iter.hasNext()) {
	File subDir = (File)iter.next();
	addJavaFiles(subDir, collection);
	}
	}

	private static class ImportOverwriteQuery implements IOverwriteQuery {
	public String queryOverwrite(String file) {
	return ALL;
	}
	}


	}