| /******************************************************************************* |
| * 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.jst.j2ee.internal.provider; |
| |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.core.resources.IResource; |
| import org.eclipse.core.runtime.IAdaptable; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.impl.AdapterImpl; |
| import org.eclipse.emf.ecore.resource.Resource; |
| import org.eclipse.emf.edit.provider.ItemProviderAdapter; |
| import org.eclipse.jst.j2ee.application.Application; |
| import org.eclipse.jst.j2ee.application.ApplicationPackage; |
| import org.eclipse.jst.j2ee.application.internal.impl.ApplicationFactoryImpl; |
| import org.eclipse.jst.j2ee.internal.application.provider.ApplicationItemProvider; |
| import org.eclipse.jst.j2ee.internal.ejb.provider.J2EENotificationImpl; |
| |
| public class J2EEApplicationItemProvider extends ApplicationItemProvider implements IAdaptable { |
| |
| protected static final Class IRESOURCE_CLASS = IResource.class; |
| protected static final Class IPROJECT_CLASS = IProject.class; |
| |
| protected Map children = new HashMap(); |
| protected List resourceAdapters = null; |
| |
| /** |
| * Constructor for J2EEApplicationItemProvider. |
| * |
| * @param adapterFactory |
| */ |
| public J2EEApplicationItemProvider(AdapterFactory adapterFactory) { |
| super(adapterFactory); |
| } |
| |
| /** |
| * @see ItemProviderAdapter#getChildren(Object) |
| */ |
| public Collection getChildren(Object object) { |
| List localChildren = (List) children.get(object); |
| if (localChildren == null) |
| return initChildren(object); |
| return localChildren; |
| } |
| |
| protected List initChildren(Object object) { |
| Application app = (Application) object; |
| List localChildren = new ArrayList(2); |
| // MDE: changed getParent(object) to just app |
| localChildren.add(new ModulesItemProvider(getAdapterFactory(), null, null, app, app.getModules())); |
| |
| // IProject project = ProjectUtilities.getProject(app); |
| // IVirtualComponent ear = ComponentUtilities.findComponent(app); |
| //TODO switch to retrieve referenceComponents |
| // EAREditModel editModel = null; |
| // try { |
| // EARNatureRuntime runtime = EARNatureRuntime.getRuntime(project); |
| // if (runtime != null) { |
| // editModel = runtime.getEarEditModelForRead(this); |
| // EARProjectMap map = editModel.getEARProjectMap(); |
| // localChildren.add(map); |
| // map.eResource().eAdapters().add(getNewAdapter(app)); |
| // } |
| // } finally { |
| // if (editModel != null) |
| // editModel.releaseAccess(this); |
| // } |
| localChildren.add(new J2EEUtilityJarItemProvider(app, getAdapterFactory(), this)); |
| |
| children.put(object, localChildren); |
| return localChildren; |
| } |
| |
| protected ModulesItemProvider getModulesNode(Object object) { |
| return (ModulesItemProvider) ((List) getChildren(object)).get(0); |
| } |
| |
| |
| /** |
| * @see Adapter#notifyChanged(new ENotificationImpl((InternalEObject)Notifier, |
| * int,(EStructuralFeature) EObject, Object, Object, int)) |
| * @deprecated |
| */ |
| public void notifyChanged(Notification notification) { |
| switch (notification.getFeatureID(Application.class)) { |
| case ApplicationPackage.APPLICATION__MODULES : |
| break; |
| default : |
| super.notifyChanged(notification); |
| } |
| if (notification.getEventType() == Notification.REMOVING_ADAPTER && notification.getOldValue() == this) |
| children.remove(notification.getNotifier()); |
| else if (notification.getFeature() == ApplicationFactoryImpl.getPackage().getApplication_Modules()) |
| modulesChanged((Application) notification.getNotifier(), notification.getEventType(), notification.getOldValue(), notification.getNewValue(), notification.getPosition()); |
| } |
| |
| protected void modulesChanged(Application app, int eventType, Object oldValue, Object newValue, int pos) { |
| ModulesItemProvider provider = getModulesNode(app); |
| Collection grandChildren = provider.getChildren(); |
| switch (eventType) { |
| case Notification.ADD : { |
| grandChildren.add(newValue); |
| break; |
| } |
| case Notification.ADD_MANY : { |
| grandChildren.addAll((Collection) newValue); |
| break; |
| } |
| case Notification.REMOVE : { |
| grandChildren.remove(oldValue); |
| break; |
| } |
| case Notification.REMOVE_MANY : { |
| grandChildren.removeAll((Collection) oldValue); |
| break; |
| } |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.edit.provider.ItemProviderAdapter#dispose() |
| */ |
| public void dispose() { |
| super.dispose(); |
| List adapters = getResourceAdapters(); |
| ResourceAdapter adapter = null; |
| for (int i = 0; i < adapters.size(); i++) { |
| adapter = (ResourceAdapter) adapters.get(i); |
| adapter.getTarget().eAdapters().remove(adapter); |
| } |
| } |
| |
| protected class ResourceAdapter extends AdapterImpl { |
| |
| private Application app = null; |
| |
| public ResourceAdapter(Application app) { |
| this.app = app; |
| } |
| |
| public void notifyChanged(Notification notification) { |
| |
| Resource res = (Resource) notification.getNotifier(); |
| if (notification.getEventType() == Notification.SET && notification.getFeatureID(null) == Resource.RESOURCE__IS_LOADED && !res.isLoaded()) { |
| J2EEApplicationItemProvider.this.children.remove(app); |
| res.eAdapters().remove(ResourceAdapter.this); |
| fireNotifyChanged(new J2EENotificationImpl(app, Notification.MOVE, (Object) null, (Object) null, 0)); |
| |
| } |
| } |
| } |
| |
| protected ResourceAdapter getNewAdapter(Application key) { |
| ResourceAdapter adapter = new ResourceAdapter(key); |
| getResourceAdapters().add(adapter); |
| return adapter; |
| } |
| |
| /** |
| * @return Returns the resourceAdapters. |
| */ |
| protected List getResourceAdapters() { |
| if (resourceAdapters == null) |
| resourceAdapters = new ArrayList(); |
| return resourceAdapters; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.core.runtime.IAdaptable#getAdapter(java.lang.Class) |
| */ |
| public Object getAdapter(Class adapter) { |
| return null; |
| } |
| |
| } |