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/*******************************************************************************
* 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));
// 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;
}
}
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