Java tutorial
/******************************************************************************* * Copyright (c) 2009, 2012 Red Hat 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: * Red Hat - Initial API and implementation * Roberto Sanchez (IBM) - Use relative path for mapped output folders *******************************************************************************/ package org.eclipse.jst.common.internal.modulecore; import java.util.HashMap; import java.util.Iterator; import java.util.List; import org.eclipse.core.resources.IContainer; import org.eclipse.core.resources.IFile; import org.eclipse.core.resources.IProject; import org.eclipse.core.runtime.CoreException; import org.eclipse.core.runtime.IPath; import org.eclipse.core.runtime.Path; import org.eclipse.jdt.core.IClasspathEntry; import org.eclipse.jdt.internal.core.JavaProject; import org.eclipse.jst.common.jdt.internal.javalite.IJavaProjectLite; import org.eclipse.jst.common.jdt.internal.javalite.JavaCoreLite; import org.eclipse.jst.common.jdt.internal.javalite.JavaLiteUtilities; import org.eclipse.wst.common.componentcore.internal.ComponentResource; import org.eclipse.wst.common.componentcore.internal.StructureEdit; import org.eclipse.wst.common.componentcore.internal.WorkbenchComponent; import org.eclipse.wst.common.componentcore.internal.flat.AbstractFlattenParticipant; import org.eclipse.wst.common.componentcore.internal.flat.FilterResourceParticipant; import org.eclipse.wst.common.componentcore.internal.flat.FlatVirtualComponent.FlatComponentTaskModel; import org.eclipse.wst.common.componentcore.internal.flat.IFlatFile; import org.eclipse.wst.common.componentcore.internal.flat.IFlatResource; import org.eclipse.wst.common.componentcore.internal.flat.IFlattenParticipant; import org.eclipse.wst.common.componentcore.internal.flat.VirtualComponentFlattenUtility; import org.eclipse.wst.common.componentcore.internal.flat.VirtualComponentFlattenUtility.ShouldIncludeUtilityCallback; import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; public class AddMappedOutputFoldersParticipant extends AbstractFlattenParticipant implements ShouldIncludeUtilityCallback { private List<IFlatResource> list; private String[] filteredSuffixes = new String[] {}; public AddMappedOutputFoldersParticipant() { // intentionally blank } public AddMappedOutputFoldersParticipant(String[] filtered) { this.filteredSuffixes = filtered; } public boolean shouldAddComponentFile(IVirtualComponent component, IFlatFile file) { IFlattenParticipant[] delegates = getDelegateParticipants(); for (int i = 0; i < delegates.length; i++) { if (!delegates[i].shouldAddExportableFile(null, component, null, file)) return false; } return true; } public IFlattenParticipant[] getDelegateParticipants() { return new IFlattenParticipant[] { FilterResourceParticipant.createSuffixFilterParticipant(filteredSuffixes) }; } @Override public void finalize(IVirtualComponent component, FlatComponentTaskModel dataModel, List<IFlatResource> resources) { this.list = resources; list.getClass(); if (!isApprovedComponent(component)) return; HashMap<IContainer, IPath> mapped = getMappedJavaOutputContainers(component.getProject()); Iterator<IContainer> i = mapped.keySet().iterator(); while (i.hasNext()) { IContainer next = i.next(); try { new VirtualComponentFlattenUtility(list, this).addContainer(next, mapped.get(next).makeRelative()); } catch (CoreException ce) { } } } protected boolean isApprovedComponent(IVirtualComponent vc) { // TODO return true; } public final static HashMap<IContainer, IPath> getMappedJavaOutputContainers(IProject project) { ComponentResourceProxy[] proxies = findAllMappingProxies(project); IJavaProjectLite javaProjectLite = JavaCoreLite.create(project); HashMap<IContainer, IPath> map = new HashMap<IContainer, IPath>(); IFile classpathFile = project.getFile(JavaProject.CLASSPATH_FILENAME); if (javaProjectLite.exists() && classpathFile.exists()) { IClasspathEntry[] entries = javaProjectLite.readRawClasspath(); for (IClasspathEntry entry : entries) { if (entry.getEntryKind() == IClasspathEntry.CPE_SOURCE) { IPath cpePath = entry.getPath(); for (int i = 0; i < proxies.length; i++) { if (cpePath.equals(new Path(project.getName()).append(proxies[i].source).makeAbsolute())) { IContainer outputContainer = JavaLiteUtilities.getJavaOutputContainer(javaProjectLite, entry); if (!map.containsKey(outputContainer)) { map.put(outputContainer, proxies[i].runtimePath); } } // TODO } } } } return map; } /* * This code below is also duplicated in common.ui in the generic page * to handle module assembly */ public static ComponentResourceProxy[] findAllMappingProxies(IProject project) { ComponentResource[] allMappings = findAllMappings(project); ComponentResourceProxy[] proxies = new ComponentResourceProxy[allMappings.length]; for (int i = 0; i < allMappings.length; i++) { proxies[i] = new ComponentResourceProxy(allMappings[i].getSourcePath(), allMappings[i].getRuntimePath()); } return proxies; } protected static ComponentResource[] findAllMappings(IProject project) { StructureEdit structureEdit = null; try { structureEdit = StructureEdit.getStructureEditForRead(project); WorkbenchComponent component = structureEdit.getComponent(); Object[] arr = component.getResources().toArray(); ComponentResource[] result = new ComponentResource[arr.length]; for (int i = 0; i < arr.length; i++) result[i] = (ComponentResource) arr[i]; return result; } catch (Exception e) { } finally { if (structureEdit != null) structureEdit.dispose(); } return new ComponentResource[] {}; } public static class ComponentResourceProxy { public IPath source, runtimePath; public ComponentResourceProxy(IPath source, IPath runtimePath) { this.source = source; this.runtimePath = runtimePath; } } }