| /******************************************************************************* |
| * Copyright (c) 2007 BEA Systems, 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: |
| * rfrost@bea.com - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jst.j2ee.internal.classpathdep; |
| |
| import org.eclipse.core.resources.IContainer; |
| 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.IPath; |
| import org.eclipse.core.runtime.Path; |
| import org.eclipse.jst.j2ee.componentcore.J2EEModuleVirtualArchiveComponent; |
| import org.eclipse.wst.common.componentcore.resources.IVirtualReference; |
| |
| /** |
| * Subclass of J2EEModuleVirtualArchiveComponent that represents the component references computed from Java classpath entries that |
| * have been marked as publish/export dependencies. In most cases, the classpath entries will resolve into archive dependencies, |
| * however, class folder dependencies are also possible and those are represented as a reference to an VirtualComponent using this |
| * class as well. |
| */ |
| public class ClasspathDependencyVirtualComponent extends J2EEModuleVirtualArchiveComponent { |
| |
| final private boolean isClassFolder; |
| |
| public ClasspathDependencyVirtualComponent(IProject aComponentProject, String location, boolean isClassFolder) { |
| super(aComponentProject, location, null); |
| this.isClassFolder = isClassFolder; |
| } |
| |
| /** |
| * Returns true if this component represents a library class folder entry. |
| * @return True for class folders. |
| */ |
| public boolean isClassFolder() { |
| return isClassFolder; |
| } |
| |
| /** |
| * Returns the container for the specified class folder or null if does not represent a class folder. |
| * @return IContainer for the class folder or null if this reference does not match class folder. |
| */ |
| public IContainer getClassFolder() { |
| if (!isClassFolder) { |
| return null; |
| } |
| final IPath path = new Path(getName().substring(4)); |
| final IWorkspaceRoot root = ResourcesPlugin.getWorkspace().getRoot(); |
| final IContainer[] allContainers = root.findContainersForLocation(path); |
| if (allContainers == null || allContainers.length == 0 || allContainers[0].getType() == IResource.ROOT) { |
| return null; |
| } |
| // return first matching container |
| return allContainers[0]; |
| } |
| |
| public IVirtualReference[] getReferences() { |
| if (isClassFolder) { |
| return NO_REFERENCES; |
| } |
| return super.getReferences(); |
| } |
| |
| public String[] getManifestClasspath() { |
| if (isClassFolder) { |
| return new String[0]; |
| } |
| return super.getManifestClasspath(); |
| } |
| } |