EObjectPointerFactory.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE
 * file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file
 * to You under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the
 * License. You may obtain a copy of the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
 * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
 * specific language governing permissions and limitations under the License.
 */
/*******************************************************************************
 * Copyright (c) 2010 BestSolution.at 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: Tom Schindl <tom.schindl@bestsolution.at> - adjustment to EObject
 ******************************************************************************/
package org.eclipse.e4.emf.internal.xpath;

import java.util.Locale;

import org.apache.commons.jxpath.ri.QName;
import org.apache.commons.jxpath.ri.model.NodePointer;
import org.apache.commons.jxpath.ri.model.NodePointerFactory;
import org.eclipse.e4.emf.internal.xpath.helper.JXPathEObjectInfo;
import org.eclipse.emf.ecore.EObject;

/**
 * Implements NodePointerFactory for JavaBeans.
 * 
 */
public class EObjectPointerFactory implements NodePointerFactory {

	/** factory order constant */
	public static final int BEAN_POINTER_FACTORY_ORDER = 899;

	@Override
	public int getOrder() {
		return BEAN_POINTER_FACTORY_ORDER;
	}

	@Override
	public NodePointer createNodePointer(QName name, Object bean, Locale locale) {
		JXPathEObjectInfo bi = new JXPathEObjectInfo(((EObject) bean).eClass());
		return new EObjectPointer(name, bean, bi, locale);
	}

	@Override
	public NodePointer createNodePointer(NodePointer parent, QName name, Object bean) {
		if (bean == null) {
			return new NullPointer(parent, name);
		}
		if (bean instanceof EObject) {
			JXPathEObjectInfo bi = new JXPathEObjectInfo(((EObject) bean).eClass());
			return new EObjectPointer(parent, name, bean, bi);
		}
		return null;
	}
}