| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.wst.common.componentcore.internal.util; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.resources.ResourcesPlugin; |
| import org.eclipse.core.runtime.IPath; |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.impl.AdapterImpl; |
| import org.eclipse.wst.common.componentcore.internal.ComponentResource; |
| import org.eclipse.wst.common.componentcore.internal.ComponentcorePackage; |
| import org.eclipse.wst.common.componentcore.internal.StructureEdit; |
| |
| /** |
| * <p> |
| * The following class is experimental until fully documented. |
| * </p> |
| */ |
| public class EclipseResourceAdapter extends AdapterImpl implements Adapter { |
| |
| public static final Class ADAPTER_TYPE = EclipseResourceAdapter.class; |
| private IResource resource; |
| private boolean hasSearchFailed = false; |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.notify.Adapter#notifyChanged(org.eclipse.emf.common.notify.Notification) |
| */ |
| public void notifyChanged(Notification aNotification) { |
| if (aNotification.getFeature() == ComponentcorePackage.eINSTANCE.getComponentResource_SourcePath()) { |
| if (aNotification.getEventType() == Notification.SET) { |
| resource = null; |
| hasSearchFailed = false; |
| } |
| } |
| } |
| |
| public IResource getEclipseResource() { |
| IProject container = null; |
| if (resource != null || hasSearchFailed) |
| return resource; |
| synchronized (this) { |
| if (resource == null) { |
| ComponentResource moduleResource = (ComponentResource) getTarget(); |
| IPath sourcePath = moduleResource.getSourcePath(); |
| if (moduleResource.getOwningProject() != null) |
| container = moduleResource.getOwningProject(); |
| else |
| container = StructureEdit.getContainingProject(moduleResource.getComponent()); |
| if (container != null) |
| resource = container.findMember(sourcePath); |
| if(resource == null) |
| resource = ResourcesPlugin.getWorkspace().getRoot().findMember(sourcePath); |
| |
| hasSearchFailed = resource == null; |
| } |
| } |
| return resource; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.notify.Adapter#isAdapterForType(java.lang.Object) |
| */ |
| public boolean isAdapterForType(Object aType) { |
| return ADAPTER_TYPE == aType; |
| } |
| } |