Java tutorial
/******************************************************************************* * Copyright (c) 2003, 2006 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.jst.j2ee.application.internal.operations; import java.io.File; import java.lang.reflect.InvocationTargetException; import java.util.Collections; import java.util.HashMap; import java.util.Map; import org.eclipse.core.commands.ExecutionException; import org.eclipse.core.commands.operations.AbstractOperation; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IFolder; import org.eclipse.core.resources.IPathVariableManager; import org.eclipse.core.resources.IProject; 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.IStatus; import org.eclipse.core.runtime.Path; import org.eclipse.core.runtime.Status; import org.eclipse.core.runtime.SubProgressMonitor; import org.eclipse.jdt.core.IAccessRule; import org.eclipse.jdt.core.IClasspathAttribute; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.core.IJavaProject; import org.eclipse.jdt.core.JavaCore; import org.eclipse.jdt.core.JavaModelException; import org.eclipse.jst.j2ee.internal.earcreation.EARCreationResourceHandler; import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin; import org.eclipse.osgi.util.NLS; import org.eclipse.wst.common.componentcore.ComponentCore; import org.eclipse.wst.common.componentcore.datamodel.properties.ICreateReferenceComponentsDataModelProperties; import org.eclipse.wst.common.componentcore.internal.operation.CreateReferenceComponentsDataModelProvider; import org.eclipse.wst.common.componentcore.internal.resources.VirtualArchiveComponent; import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; import org.eclipse.wst.common.frameworks.datamodel.DataModelFactory; import org.eclipse.wst.common.frameworks.datamodel.IDataModel; public abstract class J2EEUtilityJarImportAssistantOperation extends AbstractOperation { private File utilityJar; private boolean overwriteIfNecessary = false; private String associatedEARProjectName; public J2EEUtilityJarImportAssistantOperation(String label, File utilityJar) { super(label); this.utilityJar = utilityJar; } public void setAssociatedEARProjectName(String associatedEARProjectName) { this.associatedEARProjectName = associatedEARProjectName; } public void setOverwriteIfNecessary(boolean overwriteProject) { this.overwriteIfNecessary = overwriteProject; } protected final void createLinkedPathVariable(String linkedPathVariable, File archiveFile) throws CoreException { IPathVariableManager manager = ResourcesPlugin.getWorkspace().getPathVariableManager(); IPath linkedPath = new Path(archiveFile.getAbsolutePath()); manager.setValue(linkedPathVariable, linkedPath); } protected final String getUtilityJarProjectName(File utilityJar) { String name = null; if (utilityJar != null) { int len = utilityJar.getName().lastIndexOf('.'); name = utilityJar.getName().substring(0, len); } return name; } protected final IStatus linkArchiveToEAR(IProject earProject, String uriMapping, IProject utilityProject, IProgressMonitor monitor) throws InvocationTargetException, InterruptedException, ExecutionException { IDataModel addArchiveProjectToEARDataModel = DataModelFactory .createDataModel(new CreateReferenceComponentsDataModelProvider()); IVirtualComponent earcomponent = ComponentCore.createComponent(earProject); IVirtualComponent utilcomponent = ComponentCore.createComponent(utilityProject); addArchiveProjectToEARDataModel.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earcomponent); addArchiveProjectToEARDataModel.setProperty( ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, Collections.singletonList(utilcomponent)); Map uriMap = new HashMap(); uriMap.put(utilcomponent, uriMapping); addArchiveProjectToEARDataModel .setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENTS_TO_URI_MAP, uriMap); return addArchiveProjectToEARDataModel.getDefaultOperation().execute(monitor, null); } protected final IStatus createVirtualArchiveComponent(IProject targetProject, String uriMapping, IFile utilityJarIFile, IProgressMonitor monitor) throws InvocationTargetException, InterruptedException, ExecutionException { IDataModel addArchiveProjectToEARDataModel = DataModelFactory .createDataModel(new CreateReferenceComponentsDataModelProvider()); IVirtualComponent earcomponent = ComponentCore.createComponent(targetProject); IVirtualComponent utilcomponent = ComponentCore.createArchiveComponent(targetProject, VirtualArchiveComponent.LIBARCHIVETYPE + IPath.SEPARATOR + utilityJarIFile.getProjectRelativePath().toString()); IPath uriMappingPath = null; String uri = uriMapping; String deployPath = null; if (uriMapping != null) { uriMappingPath = new Path(uriMapping); uri = uriMappingPath.lastSegment(); if (uriMappingPath.segmentCount() > 1) deployPath = uriMappingPath.removeLastSegments(1).toString(); } addArchiveProjectToEARDataModel.setProperty(ICreateReferenceComponentsDataModelProperties.SOURCE_COMPONENT, earcomponent); addArchiveProjectToEARDataModel.setProperty( ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENT_LIST, Collections.singletonList(utilcomponent)); Map uriMap = new HashMap(); uriMap.put(utilcomponent, uri); addArchiveProjectToEARDataModel .setProperty(ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENTS_TO_URI_MAP, uriMap); if (deployPath != null && deployPath.length() > 0) { Map deployMap = new HashMap(); deployMap.put(utilcomponent, deployPath); addArchiveProjectToEARDataModel.setProperty( ICreateReferenceComponentsDataModelProperties.TARGET_COMPONENTS_DEPLOY_PATH_MAP, deployMap); } return addArchiveProjectToEARDataModel.getDefaultOperation().execute(monitor, null); } protected final IStatus removeRootMapping(IVirtualComponent sourceComponent, String uriMapping, IProgressMonitor monitor) throws InvocationTargetException, InterruptedException, ExecutionException { try { sourceComponent.getRootFolder().removeLink(new Path(uriMapping), 0, monitor); } catch (CoreException e) { return J2EEPlugin.createErrorStatus(0, e.getMessage(), e); } return Status.OK_STATUS; } protected File getUtilityJar() { return utilityJar; } protected final IWorkspaceRoot getWorkspaceRoot() { return ResourcesPlugin.getWorkspace().getRoot(); } protected final String getAssociatedEARProjectName() { return associatedEARProjectName; } protected final boolean isOverwriteIfNecessary() { return overwriteIfNecessary; } protected final void addLibraryToClasspath(IProject associatedEARProject, IFile copiedJarFile, IProgressMonitor monitor) throws CoreException, JavaModelException { if (associatedEARProject.hasNature(JavaCore.NATURE_ID)) { IClasspathEntry entry = JavaCore.newLibraryEntry(copiedJarFile.getFullPath().makeAbsolute(), null, // source // attachment null, // source attachment root new IAccessRule[0], // accessRules new IClasspathAttribute[0], // extraAttributes false); // isExported IJavaProject earJavaProject = JavaCore.create(associatedEARProject); IClasspathEntry[] rawClasspath = earJavaProject.getRawClasspath(); IClasspathEntry[] newClasspath = new IClasspathEntry[rawClasspath.length + 1]; System.arraycopy(rawClasspath, 0, newClasspath, 0, rawClasspath.length); newClasspath[rawClasspath.length] = entry; earJavaProject.setRawClasspath(newClasspath, monitor); } } protected final IStatus createLinkedArchive(IProject project, String linkedFileName, File archiveFile, String linkedPathVariable, IProgressMonitor monitor) throws CoreException { IFile linkedJarFile = null; IPath pathToArchive = getLinkedPath(archiveFile, linkedPathVariable); linkedJarFile = project.getFile(linkedFileName); if (linkedJarFile.exists()) { if (isOverwriteIfNecessary()) linkedJarFile.delete(true, true, new SubProgressMonitor(monitor, 1)); else return J2EEPlugin.createErrorStatus(0, NLS.bind( EARCreationResourceHandler.CreateProjectWithLinkedJarOperation_File_already_exists_0_, linkedJarFile.getFullPath()), null); } linkedJarFile.createLink(pathToArchive, IResource.ALLOW_MISSING_LOCAL, new SubProgressMonitor(monitor, 1)); addLibraryToClasspath(project, linkedJarFile, monitor); return Status.OK_STATUS; } protected final IPath getLinkedPath(File archiveFile, String linkedPathVariable) throws CoreException { if (linkedPathVariable == null || linkedPathVariable.length() == 0) return new Path(archiveFile.getAbsolutePath()); createLinkedPathVariable(linkedPathVariable, archiveFile.getParentFile()); return new Path(linkedPathVariable).append(archiveFile.getName()); } protected final String findUniqueLocation(String baseLocation, String proposedProjectName) { return baseLocation != null ? (baseLocation + File.separator + proposedProjectName) : null; } protected static void mkdirs(final IFolder folder) throws CoreException { if (!folder.exists()) { if (folder.getParent() instanceof IFolder) { mkdirs((IFolder) folder.getParent()); } folder.create(true, true, null); } } }