Java tutorial
/******************************************************************************* * Copyright (c) 2009, 2012 SpringSource, a divison of VMware, Inc. * 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: * SpringSource, a division of VMware, Inc. - initial API and implementation *******************************************************************************/ package org.eclipse.virgo.ide.export; import java.io.BufferedReader; import java.io.File; import java.io.FileReader; import java.io.IOException; import java.lang.reflect.InvocationTargetException; import java.net.MalformedURLException; import java.util.ArrayList; import java.util.HashSet; import java.util.LinkedHashSet; import java.util.List; import java.util.Set; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IProject; import org.eclipse.core.resources.IResource; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.IStatus; import org.eclipse.core.runtime.MultiStatus; import org.eclipse.core.runtime.NullProgressMonitor; import org.eclipse.core.runtime.Status; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.IPackageFragmentRoot; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jdt.ui.jarpackager.IJarExportRunnable; import org.eclipse.jdt.ui.jarpackager.JarPackageData; import org.eclipse.jface.dialogs.ErrorDialog; import org.eclipse.jface.operation.IRunnableContext; import org.eclipse.jst.j2ee.datamodel.properties.IJ2EEComponentExportDataModelProperties; import org.eclipse.jst.j2ee.internal.web.archive.operations.WebComponentExportDataModelProvider; import org.eclipse.jst.j2ee.internal.web.archive.operations.WebComponentExportOperation; import org.eclipse.swt.widgets.Shell; import org.eclipse.virgo.ide.manifest.core.BundleManifestCorePlugin; import org.eclipse.virgo.ide.module.core.ServerModuleDelegate; import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory; import org.eclipse.wst.common.frameworks.datamodel.IDataModel; /** * Utility class for exporting bundle projects * * @author Christian Dupuis * @author Terry Hon */ public class BundleExportUtils { /** * Find manifest file given a java project * * @param project * @return */ public static IResource getOutputManifestFile(IJavaProject project) { try { Set<IPath> outputPaths = new HashSet<IPath>(); outputPaths.add(project.getOutputLocation()); IPackageFragmentRoot[] roots = project.getPackageFragmentRoots(); for (IPackageFragmentRoot root : roots) { if (root != null) { IClasspathEntry cpEntry = root.getRawClasspathEntry(); if (cpEntry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { IPath location = cpEntry.getOutputLocation(); if (location != null) { outputPaths.add(location); } } } } for (IPath outputPath : outputPaths) { IResource manifest = getManifestFile(outputPath, project.getProject()); if (manifest != null) { return manifest; } } } catch (JavaModelException e) { // No error handling existed before. Are these expected?! throw new RuntimeException(e); } catch (MalformedURLException e) { // No error handling existed before. Are these expected?! throw new RuntimeException(e); } return null; } private static IResource getManifestFile(IPath outputLocation, IProject project) throws MalformedURLException { IPath path = outputLocation.append(BundleManifestCorePlugin.MANIFEST_FILE_LOCATION); IPath projectPath = project.getFullPath(); path = path.removeFirstSegments(path.matchingFirstSegments(projectPath)); IResource manifest = project.findMember(path); if (manifest != null) { return manifest; } return null; } /** * Create export operation given project to be exported and location of the JAR. * * @param project * @param jarLocation * @param shell * @param warningMessages * @return */ public static IJarExportRunnable createExportOperation(IJavaProject project, IPath jarLocation, Shell shell, List<IStatus> warnings) { JarPackageData jarPackage = new JarPackageData(); jarPackage.setJarLocation(jarLocation); jarPackage.setExportClassFiles(true); jarPackage.setExportJavaFiles(false); jarPackage.setOverwrite(true); jarPackage.setExportErrors(true); jarPackage.setExportWarnings(true); jarPackage.setBuildIfNeeded(true); Set<Object> outputFiles = new LinkedHashSet<Object>(); try { Set<IClasspathEntry> entries = ServerModuleDelegate.getSourceClasspathEntries(project.getProject(), false); for (IPackageFragmentRoot root : project.getPackageFragmentRoots()) { if (entries.contains(root.getRawClasspathEntry())) { outputFiles.add(root); } } } catch (JavaModelException e) { // TODO add error handling throw new RuntimeException(e); } jarPackage.setElements(outputFiles.toArray()); setManifestFile(project, jarPackage, shell, warnings); return jarPackage.createJarExportRunnable(shell); } private static void setManifestFile(IJavaProject project, JarPackageData jarPackage, Shell shell, List<IStatus> warnings) { IResource manifest = getOutputManifestFile(project); if (manifest != null) { File manifestFile = manifest.getLocation().toFile(); boolean exists = manifestFile.exists(); if (exists) { BufferedReader reader; try { reader = new BufferedReader(new FileReader(manifestFile)); char charactor = 'a'; while (reader.ready()) { charactor = (char) reader.read(); } if (charactor != '\n') { warnings.add(new Status(IStatus.WARNING, ServerExportPlugin.PLUGIN_ID, "Manifest file for project " + project.getElementName() + " is missing a '\\n' at the end of file. The exported bundle might not work properly.")); } } catch (IOException e) { throw new RuntimeException(e); } jarPackage.setGenerateManifest(false); jarPackage.setManifestLocation(manifest.getFullPath()); } else { jarPackage.setGenerateManifest(true); } } else { jarPackage.setGenerateManifest(true); } } /** * Util method for running IJarExportRunnable operation. * * @param op export JAR operation * @param reportStatus true if export errors are displayed to the user * @param context runnable context * @param shell * @param warningMessages * @return if operation was performed successfully */ public static boolean executeExportOperation(IJarExportRunnable op, boolean reportStatus, IRunnableContext context, Shell shell, List<IStatus> warnings) { try { context.run(true, true, op); } catch (InterruptedException e) { return false; } catch (InvocationTargetException ex) { if (ex.getTargetException() != null) { return false; } } IStatus status = op.getStatus(); if ((warnings.size() > 0 || !status.isOK()) && reportStatus) { List<IStatus> children = new ArrayList<IStatus>(); for (IStatus child : status.getChildren()) { children.add(child); } children.addAll(warnings); MultiStatus multiStatus = new MultiStatus(ServerExportPlugin.PLUGIN_ID, !status.isOK() ? status.getCode() : IStatus.WARNING, children.toArray(new Status[0]), !status.isOK() ? status.getMessage() : "There were warnings while exporting bundle project. Click Details to see more...", null); ErrorDialog.openError(shell, "Export Warning", null, multiStatus); return !status.matches(IStatus.ERROR); } return true; } @SuppressWarnings("restriction") public static boolean executeWarExportOperation(IProject bundleProject, String jarName, IFolder settingsFolder) { WebComponentExportDataModelProvider provider = new WebComponentExportDataModelProvider(); IDataModel dataModel = DataModelFactory.createDataModel(provider); provider.propertySet(IJ2EEComponentExportDataModelProperties.PROJECT_NAME, bundleProject.getName()); dataModel.setBooleanProperty(IJ2EEComponentExportDataModelProperties.OPTIMIZE_FOR_SPECIFIC_RUNTIME, false); dataModel.setBooleanProperty(IJ2EEComponentExportDataModelProperties.EXPORT_SOURCE_FILES, false); dataModel.setBooleanProperty(IJ2EEComponentExportDataModelProperties.OVERWRITE_EXISTING, true); dataModel.setProperty(IJ2EEComponentExportDataModelProperties.ARCHIVE_DESTINATION, settingsFolder.getRawLocation().append(jarName).toString()); WebComponentExportOperation operation = new WebComponentExportOperation(dataModel); try { operation.execute(new NullProgressMonitor(), null); settingsFolder.refreshLocal(IResource.DEPTH_ONE, new NullProgressMonitor()); } catch (ExecutionException e) { return false; } catch (CoreException e) { return false; } return true; } }