| /******************************************************************************* |
| * Copyright (c) 2009 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 |
| *******************************************************************************/ |
| package org.eclipse.jst.common.internal.modulecore; |
| |
| import java.io.File; |
| import java.util.ArrayList; |
| |
| import org.eclipse.core.resources.IContainer; |
| 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.Path; |
| import org.eclipse.jdt.core.IClasspathContainer; |
| import org.eclipse.jdt.core.IClasspathEntry; |
| import org.eclipse.jdt.core.JavaCore; |
| import org.eclipse.jdt.core.JavaModelException; |
| import org.eclipse.wst.common.componentcore.internal.resources.AbstractResourceListVirtualComponent; |
| import org.eclipse.wst.common.componentcore.internal.resources.VirtualFile; |
| import org.eclipse.wst.common.componentcore.internal.resources.VirtualFolder; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualFile; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualFolder; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualResource; |
| |
| public class ClasspathContainerVirtualComponent extends |
| AbstractResourceListVirtualComponent { |
| public static final String CLASSPATH = "classpath"; //$NON-NLS-1$ |
| public static final String CON = "con"; //$NON-NLS-1$ |
| public static final String CLASSPATH_CON = CLASSPATH + Path.SEPARATOR + CON; |
| private String containerPath; |
| private IClasspathEntry[] containerEntries; |
| private IClasspathContainer container; |
| private boolean initialized = false; |
| private Object initLock = new Object(); |
| public ClasspathContainerVirtualComponent(IProject p, |
| IVirtualComponent referencingComponent, String containerPath) { |
| super(p, referencingComponent); |
| this.containerPath = containerPath; |
| } |
| |
| private void init() { |
| synchronized (initLock) { |
| if (initialized) { |
| return; |
| } |
| } |
| try { |
| IClasspathContainer localContainer = JavaCore.getClasspathContainer(new Path(containerPath), JavaCore.create(project)); |
| IClasspathEntry[] localcontainerEntries = null; |
| if (localContainer != null) { |
| localcontainerEntries = localContainer.getClasspathEntries(); |
| } else { |
| localcontainerEntries = new IClasspathEntry[] {}; |
| } |
| synchronized (initLock) { |
| if(initialized){ |
| return; |
| } |
| container = localContainer; |
| containerEntries = localcontainerEntries; |
| } |
| } catch (JavaModelException jme) { |
| // eat it |
| } finally { |
| synchronized (initLock) { |
| initialized = true; |
| } |
| } |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if(this == o){ |
| return true; |
| } |
| |
| if(!super.equals(o)){ |
| return false; |
| } |
| ClasspathContainerVirtualComponent other = (ClasspathContainerVirtualComponent) o; |
| return containerPath == null ? other.containerPath == null : containerPath.equals(other.containerPath); |
| } |
| |
| @Override |
| public int hashCode() { |
| return super.hashCode() + (containerPath == null ? 0 : containerPath.hashCode()); |
| } |
| |
| public String getContainerPath() { |
| return containerPath; |
| } |
| |
| @Override |
| public String getId() { |
| return CLASSPATH_CON + Path.SEPARATOR + containerPath; |
| } |
| |
| @Override |
| protected String getFirstIdSegment() { |
| // Do not call |
| return null; |
| } |
| |
| public IClasspathContainer getClasspathContainer(){ |
| init(); |
| return container; |
| } |
| |
| private IClasspathEntry[] getEntries() { |
| init(); |
| return containerEntries; |
| } |
| |
| public String getClasspathContainerPath() { |
| return containerPath; |
| } |
| |
| @Override |
| public IVirtualFolder getRootFolder() { |
| IVirtualFolder folder = new VirtualFolder(project, new Path("/")) { //$NON-NLS-1$ |
| @Override |
| public IVirtualResource[] members(int memberFlags) throws CoreException { |
| IClasspathEntry[] entries = getEntries(); |
| ArrayList<IVirtualFile> jars = new ArrayList<IVirtualFile>(); |
| for(IClasspathEntry entry: entries) { |
| if( entry.getEntryKind() == IClasspathEntry.CPE_LIBRARY) { |
| File f = entry.getPath().toFile(); |
| jars.add(new AbsoluteVirtualFile(getProject(), new Path("/"), f)); //$NON-NLS-1$ |
| } |
| } |
| return jars.toArray(new IVirtualFile[jars.size()]); |
| } |
| }; |
| return folder; |
| } |
| |
| protected class AbsoluteVirtualFile extends VirtualFile { |
| private File file; |
| public AbsoluteVirtualFile(IProject aComponentProject, |
| IPath aRuntimePath, File absoluteFile) { |
| super(aComponentProject, aRuntimePath, null); |
| this.file = absoluteFile; |
| } |
| @Override |
| public Object getAdapter(Class adapter) { |
| if( File.class.equals(adapter)) |
| return file; |
| return null; |
| } |
| } |
| |
| @Override |
| protected IContainer[] getUnderlyingContainers() { |
| // do not implement, overriding key method members(int) |
| return new IContainer[]{}; |
| } |
| |
| @Override |
| protected IResource[] getLooseResources() { |
| // do not implement, overriding key method members(int) |
| return new IResource[]{}; |
| } |
| } |