/*******************************************************************************
* Copyright (c) 2000, 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:
* IBM Corporation - initial API and implementation
* Ferenc Hechler, ferenc_hechler@users.sourceforge.net - 83258 [jar exporter] Deploy java application as executable jar
*******************************************************************************/
package edu.illinois.codingtracker.jdt.project.manipulation;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.Map;
import java.util.zip.ZipFile;
import junit.framework.Assert;
import org.osgi.framework.Bundle;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Synchronizer;
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.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.IWorkspaceRunnable;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.ui.dialogs.IOverwriteQuery;
import org.eclipse.ui.wizards.datatransfer.ImportOperation;
import org.eclipse.ui.wizards.datatransfer.ZipFileStructureProvider;
import org.eclipse.jdt.core.IClasspathEntry;
import org.eclipse.jdt.core.IJavaElement;
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.core.search.IJavaSearchConstants;
import org.eclipse.jdt.core.search.SearchEngine;
import org.eclipse.jdt.core.search.SearchPattern;
import org.eclipse.jdt.core.search.TypeNameRequestor;
import org.eclipse.jdt.internal.ui.JavaPlugin;
import org.eclipse.jdt.internal.ui.util.CoreUtility;
/**
* Helper methods to set up a IJavaProject.
*/
public class JavaProjectHelper {
/**
* @deprecated
* @see #RT_STUBS_15
*/
public static final IPath RT_STUBS_13= new Path("testresources/rtstubs.jar");
/**
* @deprecated
* @see #JUNIT_SRC_381
*/
public static final IPath JUNIT_SRC= new Path("testresources/junit37-noUI-src.zip");
public static final IPath RT_STUBS_15= new Path("testresources/rtstubs15.jar");
public static final IPath RT_STUBS_16= new Path("testresources/rtstubs16.jar");
public static final IPath JUNIT_SRC_381= new Path("testresources/junit381-noUI-src.zip");
public static final String JUNIT_SRC_ENCODING= "ISO-8859-1";
public static final IPath MYLIB= new Path("testresources/mylib.jar");
public static final IPath MYLIB_STDOUT= new Path("testresources/mylib_stdout.jar");
public static final IPath MYLIB_SIG= new Path("testresources/mylib_sig.jar");
public static final IPath NLS_LIB= new Path("testresources/nls.jar");
private static final int MAX_RETRY= 5;
public static final int COUNT_CLASSES_RT_STUBS_15= 661;
public static final int COUNT_INTERFACES_RT_STUBS_15= 135;
public static final int COUNT_CLASSES_JUNIT_SRC_381= 76;
public static final int COUNT_INTERFACES_JUNIT_SRC_381= 8;
public static final int COUNT_CLASSES_MYLIB= 3;
/**
* If set to <code>true</code> all resources that are
* deleted using {@link #delete(IJavaElement)} and that contain mixed
* line delimiters will result in a test failure.
* <p>
* Should be <code>false</code> during normal and Releng test runs
* due to performance impact and because the search plug-in gets
* loaded which results in a test failure.
* </p>
*/
private static final boolean ASSERT_NO_MIXED_LINE_DELIMIERS= false;
/**
* Creates a IJavaProject.
* @param projectName The name of the project
* @param binFolderName Name of the output folder
* @return Returns the Java project handle
* @throws CoreException Project creation failed
*/
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()) {
CoreUtility.createFolder(binFolder, 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 Java project with JUnit source and rt.jar from
* {@link #addVariableRTJar(IJavaProject, String, String, String)}.
*
* @param projectName the project name
* @param srcContainerName the source container name
* @param outputFolderName the output folder name
* @return the IJavaProject
* @throws CoreException
* @throws IOException
* @throws InvocationTargetException
* @since 3.1
*/
public static IJavaProject createJavaProjectWithJUnitSource(String projectName, String srcContainerName, String outputFolderName) throws CoreException, IOException, InvocationTargetException {
IJavaProject project= createJavaProject(projectName, outputFolderName);
IPackageFragmentRoot jdk= JavaProjectHelper.addVariableRTJar(project, "JRE_LIB_TEST", null, null);//$NON-NLS-1$
Assert.assertNotNull(jdk);
File junitSrcArchive= JavaTestPlugin.getDefault().getFileInPlugin(JUNIT_SRC_381);
Assert.assertTrue(junitSrcArchive != null && junitSrcArchive.exists());
JavaProjectHelper.addSourceContainerWithImport(project, srcContainerName, junitSrcArchive, JUNIT_SRC_ENCODING);
return project;
}
/**
* Sets the compiler options to 1.5 for the given project.
* @param project the java project
*/
public static void set15CompilerOptions(IJavaProject project) {
Map options= project.getOptions(false);
JavaProjectHelper.set15CompilerOptions(options);
project.setOptions(options);
}
/**
* Sets the compiler options to 1.4 for the given project.
* @param project the java project
*/
public static void set14CompilerOptions(IJavaProject project) {
Map options= project.getOptions(false);
JavaProjectHelper.set14CompilerOptions(options);
project.setOptions(options);
}
/**
* Sets the compiler options to 1.6
* @param options The compiler options to configure
*/
public static void set16CompilerOptions(Map options) {
options.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.VERSION_1_6);
options.put(JavaCore.COMPILER_PB_ASSERT_IDENTIFIER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_6);
options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, JavaCore.VERSION_1_6);
}
/**
* Sets the compiler options to 1.5
* @param options The compiler options to configure
*/
public static void set15CompilerOptions(Map options) {
options.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.VERSION_1_5);
options.put(JavaCore.COMPILER_PB_ASSERT_IDENTIFIER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_5);
options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, JavaCore.VERSION_1_5);
}
/**
* Sets the compiler options to 1.4
* @param options The compiler options to configure
*/
public static void set14CompilerOptions(Map options) {
options.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.VERSION_1_4);
options.put(JavaCore.COMPILER_PB_ASSERT_IDENTIFIER, JavaCore.ERROR);
options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.WARNING);
options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_3);
options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, JavaCore.VERSION_1_2);
}
/**
* Sets the compiler options to 1.3
* @param options The compiler options to configure
*/
public static void set13CompilerOptions(Map options) {
options.put(JavaCore.COMPILER_COMPLIANCE, JavaCore.VERSION_1_3);
options.put(JavaCore.COMPILER_PB_ASSERT_IDENTIFIER, JavaCore.WARNING);
options.put(JavaCore.COMPILER_PB_ENUM_IDENTIFIER, JavaCore.WARNING);
options.put(JavaCore.COMPILER_SOURCE, JavaCore.VERSION_1_3);
options.put(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM, JavaCore.VERSION_1_2);
}
/**
* Removes a IJavaElement
*
* @param elem The element to remove
* @throws CoreException Removing failed
* @see #ASSERT_NO_MIXED_LINE_DELIMIERS
*/
public static void delete(final IJavaElement elem) throws CoreException {
if (ASSERT_NO_MIXED_LINE_DELIMIERS)
MixedLineDelimiterDetector.assertNoMixedLineDelimiters(elem);
IWorkspaceRunnable runnable= new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException {
performDummySearch();
if (elem instanceof IJavaProject) {
IJavaProject jproject= (IJavaProject) elem;
jproject.setRawClasspath(new IClasspathEntry[0], jproject.getProject().getFullPath(), null);
}
delete(elem.getResource());
}
};
ResourcesPlugin.getWorkspace().run(runnable, null);
emptyDisplayLoop();
}
public static void delete(IResource resource) throws CoreException {
for (int i= 0; i < MAX_RETRY; i++) {
try {
resource.delete(true, null);
i= MAX_RETRY;
} catch (CoreException e) {
if (i == MAX_RETRY - 1) {
JavaPlugin.log(e);
throw e;
}
try {
Thread.sleep(1000); // sleep a second
} catch (InterruptedException e1) {
}
}
}
}
/**
* Removes all files in the project and sets the given classpath
* @param jproject The project to clear
* @param entries The default class path to set
* @throws Exception Clearing the project failed
*/
public static void clear(final IJavaProject jproject, final IClasspathEntry[] entries) throws Exception {
performDummySearch();
IWorkspaceRunnable runnable= new IWorkspaceRunnable() {
public void run(IProgressMonitor monitor) throws CoreException {
jproject.setRawClasspath(entries, null);
IResource[] resources= jproject.getProject().members();
for (int i= 0; i < resources.length; i++) {
if (!resources[i].getName().startsWith(".")) {
delete(resources[i]);
}
}
}
};
ResourcesPlugin.getWorkspace().run(runnable, null);
JavaProjectHelper.emptyDisplayLoop();
}
public static void performDummySearch() throws JavaModelException {
new SearchEngine().searchAllTypeNames(
null,
SearchPattern.R_EXACT_MATCH,
"XXXXXXXXX".toCharArray(), // make sure we search a concrete name. This is faster according to Kent
SearchPattern.R_EXACT_MATCH | SearchPattern.R_CASE_SENSITIVE,
IJavaSearchConstants.CLASS,
SearchEngine.createJavaSearchScope(new IJavaElement[0]),
new Requestor(),
IJavaSearchConstants.WAIT_UNTIL_READY_TO_SEARCH,
null);
}
/**
* Adds a source container to a IJavaProject.
* @param jproject The parent project
* @param containerName The name of the new source container
* @return The handle to the new source container
* @throws CoreException Creation failed
*/
public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName) throws CoreException {
return addSourceContainer(jproject, containerName, new Path[0]);
}
/**
* Adds a source container to a IJavaProject.
* @param jproject The parent project
* @param containerName The name of the new source container
* @param exclusionFilters Exclusion filters to set
* @return The handle to the new source container
* @throws CoreException Creation failed
*/
public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName, IPath[] exclusionFilters) throws CoreException {
return addSourceContainer(jproject, containerName, new Path[0], exclusionFilters);
}
/**
* Adds a source container to a IJavaProject.
* @param jproject The parent project
* @param containerName The name of the new source container
* @param inclusionFilters Inclusion filters to set
* @param exclusionFilters Exclusion filters to set
* @return The handle to the new source container
* @throws CoreException Creation failed
*/
public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName, IPath[] inclusionFilters, IPath[] exclusionFilters) throws CoreException {
return addSourceContainer(jproject, containerName, inclusionFilters, exclusionFilters, null);
}
/**
* Adds a source container to a IJavaProject.
* @param jproject The parent project
* @param containerName The name of the new source container
* @param inclusionFilters Inclusion filters to set
* @param exclusionFilters Exclusion filters to set
* @param outputLocation The location where class files are written to, <b>null</b> for project output folder
* @return The handle to the new source container
* @throws CoreException Creation failed
*/
public static IPackageFragmentRoot addSourceContainer(IJavaProject jproject, String containerName, IPath[] inclusionFilters, IPath[] exclusionFilters, String outputLocation) 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()) {
CoreUtility.createFolder(folder, false, true, null);
}
container= folder;
}
IPackageFragmentRoot root= jproject.getPackageFragmentRoot(container);
IPath outputPath= null;
if (outputLocation != null) {
IFolder folder= project.getFolder(outputLocation);
if (!folder.exists()) {
CoreUtility.createFolder(folder, false, true, null);
}
outputPath= folder.getFullPath();
}
IClasspathEntry cpe= JavaCore.newSourceEntry(root.getPath(), inclusionFilters, exclusionFilters, outputPath);
addToClasspath(jproject, cpe);
return root;
}
/**
* Adds a source container to a IJavaProject and imports all files contained
* in the given ZIP file.
* @param jproject The parent project
* @param containerName Name of the source container
* @param zipFile Archive to import
* @param containerEncoding encoding for the generated source container
* @return The handle to the new source container
* @throws InvocationTargetException Creation failed
* @throws CoreException Creation failed
* @throws IOException Creation failed
*/
public static IPackageFragmentRoot addSourceContainerWithImport(IJavaProject jproject, String containerName, File zipFile, String containerEncoding) throws InvocationTargetException, CoreException, IOException {
return addSourceContainerWithImport(jproject, containerName, zipFile, containerEncoding, new Path[0]);
}
/**
* Adds a source container to a IJavaProject and imports all files contained
* in the given ZIP file.
* @param jproject The parent project
* @param containerName Name of the source container
* @param zipFile Archive to import
* @param containerEncoding encoding for the generated source container
* @param exclusionFilters Exclusion filters to set
* @return The handle to the new source container
* @throws InvocationTargetException Creation failed
* @throws CoreException Creation failed
* @throws IOException Creation failed
*/
public static IPackageFragmentRoot addSourceContainerWithImport(IJavaProject jproject, String containerName, File zipFile, String containerEncoding, IPath[] exclusionFilters) throws InvocationTargetException, CoreException, IOException {
ZipFile file= new ZipFile(zipFile);
try {
IPackageFragmentRoot root= addSourceContainer(jproject, containerName, exclusionFilters);
((IContainer) root.getCorrespondingResource()).setDefaultCharset(containerEncoding, null);
importFilesFromZip(file, root.getPath(), null);
return root;
} finally {
file.close();
}
}
/**
* Removes a source folder from a IJavaProject.
* @param jproject The parent project
* @param containerName Name of the source folder to remove
* @throws CoreException Remove failed
*/
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.
* @param jproject The parent project
* @param path The path of the library to add
* @return The handle of the created root
* @throws JavaModelException
*/
public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path) throws JavaModelException {
return addLibrary(jproject, path, null, null);
}
/**
* Adds a library entry with source attachment to a IJavaProject.
* @param jproject The parent project
* @param path The path of the library to add
* @param sourceAttachPath The source attachment path
* @param sourceAttachRoot The source attachment root path
* @return The handle of the created root
* @throws JavaModelException
*/
public static IPackageFragmentRoot addLibrary(IJavaProject jproject, IPath path, IPath sourceAttachPath, IPath sourceAttachRoot) throws JavaModelException {
IClasspathEntry cpe= JavaCore.newLibraryEntry(path, sourceAttachPath, sourceAttachRoot);
addToClasspath(jproject, cpe);
IResource workspaceResource= ResourcesPlugin.getWorkspace().getRoot().findMember(path);
if (workspaceResource != null) {
return jproject.getPackageFragmentRoot(workspaceResource);
}
return jproject.getPackageFragmentRoot(path.toString());
}
/**
* Copies the library into the project and adds it as library entry.
* @param jproject The parent project
* @param jarPath
* @param sourceAttachPath The source attachment path
* @param sourceAttachRoot The source attachment root path
* @return The handle of the created root
* @throws IOException
* @throws CoreException
*/
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);
}
/**
* Creates and adds a class folder to the class path.
* @param jproject The parent project
* @param containerName
* @param sourceAttachPath The source attachment path
* @param sourceAttachRoot The source attachment root path
* @return The handle of the created root
* @throws CoreException
*/
public static IPackageFragmentRoot addClassFolder(IJavaProject jproject, String containerName, IPath sourceAttachPath, IPath sourceAttachRoot) 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()) {
CoreUtility.createFolder(folder, false, true, null);
}
container= folder;
}
IClasspathEntry cpe= JavaCore.newLibraryEntry(container.getFullPath(), sourceAttachPath, sourceAttachRoot);
addToClasspath(jproject, cpe);
return jproject.getPackageFragmentRoot(container);
}
/**
* Creates and adds a class folder to the class path and imports all files
* contained in the given ZIP file.
* @param jproject The parent project
* @param containerName
* @param sourceAttachPath The source attachment path
* @param sourceAttachRoot The source attachment root path
* @param zipFile
* @return The handle of the created root
* @throws IOException
* @throws CoreException
* @throws InvocationTargetException
*/
public static IPackageFragmentRoot addClassFolderWithImport(IJavaProject jproject, String containerName, IPath sourceAttachPath, IPath sourceAttachRoot, File zipFile) throws IOException, CoreException, InvocationTargetException {
ZipFile file= new ZipFile(zipFile);
try {
IPackageFragmentRoot root= addClassFolder(jproject, containerName, sourceAttachPath, sourceAttachRoot);
importFilesFromZip(file, root.getPath(), null);
return root;
} finally {
file.close();
}
}
/**
* Adds a library entry pointing to a JRE (stubs only)
* and sets the right compiler options.
* <p>Currently, the compiler compliance level is 1.5.
*
* @param jproject target
* @return the new package fragment root
* @throws CoreException
*/
public static IPackageFragmentRoot addRTJar(IJavaProject jproject) throws CoreException {
return addRTJar15(jproject);
}
public static IPackageFragmentRoot addRTJar13(IJavaProject jproject) throws CoreException {
IPath[] rtJarPath= findRtJar(RT_STUBS_13);
Map options= jproject.getOptions(false);
JavaProjectHelper.set13CompilerOptions(options);
jproject.setOptions(options);
return addLibrary(jproject, rtJarPath[0], rtJarPath[1], rtJarPath[2]);
}
public static IPackageFragmentRoot addRTJar15(IJavaProject jproject) throws CoreException, JavaModelException {
IPath[] rtJarPath= findRtJar(RT_STUBS_15);
set15CompilerOptions(jproject);
return addLibrary(jproject, rtJarPath[0], rtJarPath[1], rtJarPath[2]);
}
public static IPackageFragmentRoot addRTJar16(IJavaProject jproject) throws CoreException {
IPath[] rtJarPath= findRtJar(RT_STUBS_16);
Map options= jproject.getOptions(false);
JavaProjectHelper.set16CompilerOptions(options);
jproject.setOptions(options);
return addLibrary(jproject, rtJarPath[0], rtJarPath[1], rtJarPath[2]);
}
/**
* Adds a variable entry with source attachment to a IJavaProject.
* Can return null if variable can not be resolved.
* @param jproject The parent project
* @param path The variable path
* @param sourceAttachPath The source attachment path (variable path)
* @param sourceAttachRoot The source attachment root path (variable path)
* @return The added package fragment root
* @throws JavaModelException
*/
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 IPackageFragmentRoot addVariableRTJar13(IJavaProject jproject, String libVarName, String srcVarName, String srcrootVarName) throws CoreException {
return addVariableRTJar(jproject, RT_STUBS_13, libVarName, srcVarName, srcrootVarName);
}
/**
* Adds a variable entry pointing to a current JRE (stubs only)
* and sets the compiler compliance level on the project accordingly.
* The arguments specify the names of the variables to be used.
* Currently, the compiler compliance level is set to 1.5.
*
* @param jproject the project to add the variable RT JAR
* @param libVarName Name of the variable for the library
* @param srcVarName Name of the variable for the source attachment. Can be <code>null</code>.
* @param srcrootVarName name of the variable for the source attachment root. Can be <code>null</code>.
* @return the new package fragment root
* @throws CoreException Creation failed
*/
public static IPackageFragmentRoot addVariableRTJar(IJavaProject jproject, String libVarName, String srcVarName, String srcrootVarName) throws CoreException {
return addVariableRTJar(jproject, RT_STUBS_15, libVarName, srcVarName, srcrootVarName);
}
/**
* Adds a variable entry pointing to a current JRE (stubs only).
* The arguments specify the names of the variables to be used.
* Clients must not forget to set the right compiler compliance level on the project.
*
* @param jproject the project to add the variable RT JAR
* @param rtStubsPath path to an rt.jar
* @param libVarName name of the variable for the library
* @param srcVarName Name of the variable for the source attachment. Can be <code>null</code>.
* @param srcrootVarName Name of the variable for the source attachment root. Can be <code>null</code>.
* @return the new package fragment root
* @throws CoreException Creation failed
*/
private static IPackageFragmentRoot addVariableRTJar(IJavaProject jproject, IPath rtStubsPath, String libVarName, String srcVarName, String srcrootVarName) throws CoreException {
IPath[] rtJarPaths= findRtJar(rtStubsPath);
IPath libVarPath= new Path(libVarName);
IPath srcVarPath= null;
IPath srcrootVarPath= null;
JavaCore.setClasspathVariable(libVarName, rtJarPaths[0], null);
if (srcVarName != null) {
IPath varValue= rtJarPaths[1] != null ? rtJarPaths[1] : Path.EMPTY;
JavaCore.setClasspathVariable(srcVarName, varValue, null);
srcVarPath= new Path(srcVarName);
}
if (srcrootVarName != null) {
IPath varValue= rtJarPaths[2] != null ? rtJarPaths[2] : Path.EMPTY;
JavaCore.setClasspathVariable(srcrootVarName, varValue, null);
srcrootVarPath= new Path(srcrootVarName);
}
return addVariableEntry(jproject, libVarPath, srcVarPath, srcrootVarPath);
}
/**
* Adds a required project entry.
* @param jproject Parent project
* @param required Project to add to the build path
* @throws JavaModelException Creation failed
*/
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);
}
public 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);
}
/**
* @param rtStubsPath the path to the RT stubs
* @return a rt.jar (stubs only)
* @throws CoreException
*/
public static IPath[] findRtJar(IPath rtStubsPath) throws CoreException {
File rtStubs= JavaTestPlugin.getDefault().getFileInPlugin(rtStubsPath);
Assert.assertNotNull(rtStubs);
Assert.assertTrue(rtStubs.exists());
return new IPath[] {
Path.fromOSString(rtStubs.getPath()),
null,
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
}
}
/**
* Imports resources from <code>bundleSourcePath</code> inside <code>bundle</code> into <code>importTarget</code>.
*
* @param importTarget the parent container
* @param bundle the bundle
* @param bundleSourcePath the path to a folder containing resources
*
* @throws CoreException import failed
* @throws IOException import failed
*/
public static void importResources(IContainer importTarget, Bundle bundle, String bundleSourcePath) throws CoreException, IOException {
Enumeration entryPaths= bundle.getEntryPaths(bundleSourcePath);
while (entryPaths.hasMoreElements()) {
String path= (String) entryPaths.nextElement();
IPath name= new Path(path.substring(bundleSourcePath.length()));
if (path.endsWith("/")) {
IFolder folder= importTarget.getFolder(name);
folder.create(false, true, null);
importResources(folder, bundle, path);
} else {
URL url= bundle.getEntry(path);
IFile file= importTarget.getFile(name);
file.create(url.openStream(), true, null);
}
}
}
private static class ImportOverwriteQuery implements IOverwriteQuery {
public String queryOverwrite(String file) {
return ALL;
}
}
private static class Requestor extends TypeNameRequestor{
}
public static void emptyDisplayLoop() {
boolean showDebugInfo= false;
Display display= Display.getCurrent();
if (display != null) {
if (showDebugInfo) {
try {
Synchronizer synchronizer= display.getSynchronizer();
Field field= Synchronizer.class.getDeclaredField("messageCount");
field.setAccessible(true);
System.out.println("Processing " + field.getInt(synchronizer) + " messages in queue");
} catch (Exception e) {
// ignore
System.out.println(e);
}
}
while (display.readAndDispatch()) { /*loop*/ }
}
}
}