/*******************************************************************************
* Copyright (c) 1998, 2012 Oracle and/or its affiliates. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0 and Eclipse Distribution License v. 1.0
* which accompanies this distribution.
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html
* and the Eclipse Distribution License is available at
* http://www.eclipse.org/org/documents/edl-v10.php.
*
* Contributors:
*     bdoughan - Jan 27/2009 - 1.1 - Initial implementation
******************************************************************************/
package org.eclipse.persistence.sdo.helper.jaxb;

import commonj.sdo.helper.HelperContext;
import org.eclipse.persistence.sdo.helper.delegates.SDOXMLHelperDelegate;

/**
 * This implementation of commonj.sdo.helper.XMLHelper is responsible for 
 * ensuring that newly unmarshalled DataObjects are assigned a JAXB aware 
 * value store.
 * <pre>
 * XMLHelper xmlHelper = jaxbHelperContext.getXMLHelper();
 * XMLDocument xmlDocument = xmlHelper.load(xml);
 * DataObject customerDO = xmlDocument.getRootObject();
 * 
 * Customer customer = jaxbHelperContext.unwrap(customerDO);
 * </pre> 
 */
public class JAXBXMLHelper extends SDOXMLHelperDelegate {

    /**
     * Create a new instance of JAXBXMLHelper
     * @param helperContext - The HelperContext used to get this XMLHelper.
     */
    public JAXBXMLHelper(HelperContext helperContext) {
        super(helperContext);
    }

    /**
     * Create a new instance of JAXBXMLHelper
     * @param helperContext - The HelperContext used to get this XMLHelper.
     * @param classLoader - The ClassLoader containing the generated SDO classes/interfaces (if any).
     */
    public JAXBXMLHelper(HelperContext helperContext, ClassLoader classLoader) {
        super(helperContext, classLoader);
    }

    @Override
    public JAXBHelperContext getHelperContext() {
        return (JAXBHelperContext) super.getHelperContext();
    }

}
