| /*********************************************************************** |
| * Copyright (c) 2008 by SAP AG, Walldorf. |
| * 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: |
| * SAP AG - initial API and implementation |
| ***********************************************************************/ |
| package org.eclipse.jst.jee.ui.internal.navigator; |
| |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.eclipse.core.resources.IProject; |
| import org.eclipse.jst.javaee.web.WebApp; |
| import org.eclipse.jst.jee.ui.internal.navigator.web.WebAppProvider; |
| |
| /** |
| * Web 2.5 Content provider is Deployment Descriptor content provider, |
| * used for constructing of the descriptor tree in project explorer. |
| * |
| * @author Dimitar Giormov |
| */ |
| public class Web25ContentProvider extends JEE5ContentProvider { |
| |
| public Object[] getChildren(Object aParentElement) { |
| |
| List<Object> children = new ArrayList<Object>(); |
| IProject project = null; |
| if (IProject.class.isInstance(aParentElement)) { |
| project = (IProject) aParentElement; |
| AbstractGroupProvider cachedContentProvider = getCachedContentProvider(project); |
| if (cachedContentProvider != null && cachedContentProvider.isValid()){ |
| children.add(cachedContentProvider); |
| } |
| } else if (AbstractGroupProvider.class.isInstance(aParentElement)){ |
| AbstractGroupProvider abstractGroupProvider = (AbstractGroupProvider) aParentElement; |
| if (abstractGroupProvider.hasChildren()){ |
| children.addAll(abstractGroupProvider.getChildren()); |
| } |
| } |
| return children.toArray(); |
| } |
| |
| |
| public boolean hasChildren(Object element) { |
| if (element instanceof WebAppProvider) { |
| return ((WebAppProvider)element).isValid(); |
| } else if (element instanceof AbstractGroupProvider) { |
| return ((AbstractGroupProvider) element).hasChildren(); |
| } else |
| return false; |
| } |
| |
| public Object getParent(Object element) { |
| return null; |
| } |
| |
| public Object[] getElements(Object inputElement) { |
| return getChildren(inputElement); |
| } |
| |
| |
| @Override |
| protected AbstractGroupProvider getNewContentProviderInstance(IProject project) { |
| return new WebAppProvider((WebApp) getCachedModelProvider(project).getModelObject(), project); |
| } |
| } |