| /******************************************************************************* |
| * Copyright (c) 2003, 2006 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 |
| *******************************************************************************/ |
| /* |
| * Created on Jun 10, 2004 |
| */ |
| package org.eclipse.jst.j2ee.internal.webservice; |
| |
| import org.eclipse.emf.common.notify.Adapter; |
| import org.eclipse.emf.common.notify.AdapterFactory; |
| import org.eclipse.emf.common.notify.Notification; |
| import org.eclipse.emf.common.notify.Notifier; |
| import org.eclipse.emf.ecore.EObject; |
| import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider; |
| import org.eclipse.jst.j2ee.internal.webservice.helper.WebServicesManager; |
| import org.eclipse.jst.j2ee.webservice.wsclient.ComponentScopedRefs; |
| import org.eclipse.jst.j2ee.webservice.wsclient.Handler; |
| import org.eclipse.jst.j2ee.webservice.wsclient.ServiceRef; |
| import org.eclipse.jst.j2ee.webservice.wsdd.WebServiceDescription; |
| import org.eclipse.jst.j2ee.webservice.wsdd.WebServices; |
| |
| /** |
| * @author jlanuti |
| */ |
| public class WebServicesNavigatorSynchronizer extends AdapterFactoryContentProvider implements Adapter { |
| |
| |
| private static WebServicesNavigatorSynchronizer INSTANCE = null; |
| protected Notifier target = null; |
| private WebServicesNavigatorContentProvider contentProvider = null; |
| |
| /** |
| * Constructor |
| */ |
| public WebServicesNavigatorSynchronizer(AdapterFactory adapterFactory, WebServicesNavigatorContentProvider provider) { |
| super(adapterFactory); |
| contentProvider = provider; |
| } |
| |
| public static WebServicesNavigatorSynchronizer getInstance() { |
| return INSTANCE; |
| } |
| |
| public static WebServicesNavigatorSynchronizer createInstance(AdapterFactory adapterFactory, WebServicesNavigatorContentProvider provider) { |
| INSTANCE = new WebServicesNavigatorSynchronizer(adapterFactory, provider); |
| return INSTANCE; |
| } |
| |
| public static void disposeInstance() { |
| INSTANCE = null; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.notify.Adapter#getTarget() |
| */ |
| public Notifier getTarget() { |
| return target; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.notify.Adapter#isAdapterForType(java.lang.Object) |
| */ |
| public boolean isAdapterForType(Object type) { |
| return true; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.emf.common.notify.Adapter#setTarget(org.eclipse.emf.common.notify.Notifier) |
| */ |
| public void setTarget(Notifier newTarget) { |
| target = newTarget; |
| } |
| |
| public void notifyChanged(final Notification notification) { |
| if (notification.isTouch()) { |
| //There is nothing that is required since nothing changed. |
| return; |
| } |
| |
| EObject notifier = (EObject) notification.getNotifier(); |
| if (notifier instanceof WebServices) { |
| //Do nothing. |
| } else if (isServiceRefModification(notification)) { |
| // Handle service ref edits |
| contentProvider.getViewer().refresh(notifier); |
| } else if (isServiceRefAddOrRemove(notification)) { |
| //Handle service ref adds or removes |
| contentProvider.getViewer().refresh(); |
| } else { |
| // Handle web service changes by getting the WSDD parent |
| while (!(notifier instanceof WebServiceDescription) && notifier != null) { |
| notifier = notifier.eContainer(); |
| } |
| // Refresh the associated wsdl service for the WSDD parent |
| if (notifier instanceof WebServiceDescription && notifier !=null) { |
| EObject wsdl = WebServicesManager.getInstance().getWSDLServiceForWebService((WebServiceDescription)notifier); |
| contentProvider.getViewer().refresh(wsdl); |
| } |
| super.notifyChanged(notification); |
| } |
| } |
| |
| private boolean isServiceRefAddOrRemove(Notification notification) { |
| //Note this check is not handling ADD_MANY or REMOVE_MANY. |
| Object value = null; |
| switch (notification.getEventType()) { |
| case Notification.ADD: |
| value = notification.getNewValue(); |
| break; |
| case Notification.REMOVE: |
| value = notification.getOldValue(); |
| break; |
| } |
| return value != null && (value instanceof ServiceRef || value instanceof ComponentScopedRefs); |
| } |
| |
| private boolean isServiceRefModification(Notification notification) { |
| Object notifier = notification.getNotifier(); |
| return notifier instanceof ServiceRef || notifier instanceof Handler; |
| } |
| } |