src/org/apache/sandesha2/wsrm/SequenceOffer.java

/*
 * Copyright  1999-2004 The Apache Software Foundation.
 *
 *  Licensed 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.sandesha2.wsrm;

import javax.xml.namespace.QName;

import org.apache.axis2.om.OMElement;
import org.apache.axis2.om.OMException;
import org.apache.axis2.om.OMNamespace;
import org.apache.axis2.soap.SOAPFactory;
import org.apache.sandesha2.Sandesha2Constants;

/**
 * @author Chamikara Jayalath <chamikaramj@gmail.com>
 * @author Sanka Samaranayaka <ssanka@gmail.com>
 * @author Saminda Abeyruwan  <saminda@opensource.lk>
 */

public class SequenceOffer implements IOMRMElement {
	private OMElement sequenceOfferElement;

	private Identifier identifier = null;

	private Expires expires = null;
	
	SOAPFactory factory;

	OMNamespace rmNamespace = null; 

	public SequenceOffer(SOAPFactory factory) {
		this.factory = factory;
		rmNamespace = factory.createOMNamespace(
				Sandesha2Constants.WSRM.NS_URI_RM, Sandesha2Constants.WSRM.NS_PREFIX_RM);
		sequenceOfferElement = factory.createOMElement(
				Sandesha2Constants.WSRM.SEQUENCE_OFFER, rmNamespace);
	}

	public OMElement getOMElement() throws OMException {
		return sequenceOfferElement;
	}

	public Object fromOMElement(OMElement createSequenceElement)
			throws OMException {
		OMElement sequenceOfferPart = createSequenceElement
				.getFirstChildWithName(new QName(Sandesha2Constants.WSRM.NS_URI_RM,
						Sandesha2Constants.WSRM.SEQUENCE_OFFER));
		if (sequenceOfferPart == null)
			throw new OMException(
					"The passed element does not contain a SequenceOffer part");

		sequenceOfferElement = factory.createOMElement(
				Sandesha2Constants.WSRM.SEQUENCE_OFFER, rmNamespace);

		identifier = new Identifier(factory);
		identifier.fromOMElement(sequenceOfferPart);

		OMElement expiresPart = sequenceOfferPart
				.getFirstChildWithName(new QName(Sandesha2Constants.WSRM.NS_URI_RM,
						Sandesha2Constants.WSRM.EXPIRES));
		if (expiresPart != null) {
			expires = new Expires(factory);
			expires.fromOMElement(sequenceOfferElement);
		}

		return this;
	}

	public OMElement toOMElement(OMElement createSequenceElement)
			throws OMException {
		if (sequenceOfferElement == null)
			throw new OMException(
					"Cant set sequnceoffer. Offer element is null");
		if (identifier == null)
			throw new OMException(
					"Cant set sequnceOffer since identifier is null");

		identifier.toOMElement(sequenceOfferElement);

		if (expires != null) {
			expires.toOMElement(sequenceOfferElement);
		}

		createSequenceElement.addChild(sequenceOfferElement);

		sequenceOfferElement = factory.createOMElement(
				Sandesha2Constants.WSRM.SEQUENCE_OFFER, rmNamespace);

		return createSequenceElement;
	}

	public Identifier getIdentifer() {
		return identifier;
	}

	public void setIdentifier(Identifier identifier) {
		this.identifier = identifier;
	}

}