/*******************************************************************************
 * 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
 *******************************************************************************/
/*
 * Created on Mar 29, 2004
 *
 * To change the template for this generated file go to
 * Window - Preferences - Java - Code Generation - Code and Comments
 */
package org.eclipse.jst.j2ee.internal.war.ui.util;

import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.jst.j2ee.internal.plugin.J2EEPlugin;
import org.eclipse.jst.j2ee.internal.web.providers.WebAppEditResourceHandler;
import org.eclipse.jst.j2ee.internal.webservices.WSDLServiceExtManager;
import org.eclipse.jst.j2ee.internal.webservices.WSDLServiceHelper;
import org.eclipse.jst.j2ee.webapplication.WebApp;

/**
 * @author jlanuti
 * 
 * To change the template for this generated type comment go to Window - Preferences - Java - Code
 * Generation - Code and Comments
 */
public class WebReferencesGroupItemProvider extends WebGroupItemProvider {

	/**
	 * @param adapterFactory
	 */
	public WebReferencesGroupItemProvider(AdapterFactory adapterFactory, WeakReference weakWebApp) {
		super(adapterFactory, weakWebApp);
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ITreeItemContentProvider#getParent(java.lang.Object)
	 */
	public Object getParent(Object object) {
		return weakWebApp.get();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ITreeItemContentProvider#getChildren(java.lang.Object)
	 */
	public Collection getChildren(Object object) {
		List result = new ArrayList();
		Object obj = weakWebApp.get();
		if (null != obj) {
			WebApp webApp = (WebApp) obj;
			if (!webApp.getEjbLocalRefs().isEmpty())
				result.addAll(webApp.getEjbLocalRefs());
			if (!webApp.getEjbRefs().isEmpty())
				result.addAll(webApp.getEjbRefs());
			if (!webApp.getResourceEnvRefs().isEmpty())
				result.addAll(webApp.getResourceEnvRefs());
			if (!webApp.getResourceRefs().isEmpty())
				result.addAll(webApp.getResourceRefs());
			if (!webApp.getMessageDestinationRefs().isEmpty())
				result.addAll(webApp.getMessageDestinationRefs());
			if (!webApp.getServiceRefs().isEmpty())
				result.addAll(webApp.getServiceRefs());
			Collection serviceRefs = null;
			try {
				WSDLServiceHelper serviceHelper = WSDLServiceExtManager.getServiceHelper();
				serviceRefs = serviceHelper.get13ServiceRefs(webApp);
			} catch (Exception re) {
				serviceRefs = Collections.EMPTY_LIST;
			}

			if (serviceRefs != null && !serviceRefs.isEmpty())
				result.addAll(serviceRefs);
		}
		return result;
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ITreeItemContentProvider#hasChildren(java.lang.Object)
	 */
	public boolean hasChildren(Object object) {
		return !getChildren(object).isEmpty();
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ItemProvider#getImage()
	 */
	public Object getImage(Object object) {
		return J2EEPlugin.getDefault().getImage("resourceRef_obj"); //$NON-NLS-1$
	}

	/*
	 * (non-Javadoc)
	 * 
	 * @see org.eclipse.emf.edit.provider.ItemProvider#getText()
	 */
	public String getText(Object object) {
		return WebAppEditResourceHandler.getString("References_1"); //$NON-NLS-1$ 
	}

}