bpel-compiler/src/main/java/org/apache/ode/bpel/compiler/bom/ExtensionAssignOperation.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.
 */
package org.apache.ode.bpel.compiler.bom;

import org.apache.ode.bpel.compiler.bom.AssignActivity.AssignOperation;
import org.apache.ode.bpel.extension.ExtensibleElement;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;

/**
 * BOM representation of the BPEL <code>&lt;extensionAssignOperation&gt;</code>.
 * 
 * @author Tammo van Lessen (University of Stuttgart)
 */
public class ExtensionAssignOperation extends BpelObject implements
		AssignOperation, ExtensibleElement {
	private Element _childElement;

	public ExtensionAssignOperation(Element el) {
		super(el);
	}

	public Element getNestedElement() {
		// XXX
		// return getFirstExtensibilityElement();
		if (_childElement == null) {
			NodeList nl = getElement().getChildNodes();
			for (int i = 0; i < nl.getLength(); ++i) {
				Node node = nl.item(i);
				if (node.getNodeType() == Node.ELEMENT_NODE
						&& !Bpel20QNames.NS_WSBPEL2_0.equals(node
								.getNamespaceURI())) {
					_childElement = (Element) node;
					break;
				}
			}
		}
		return _childElement;
	}

}