NamespaceAdjustingCastorMarshaller.java

/*
 * Copyright: (c) 2004-2011 Mayo Foundation for Medical Education and 
 * Research (MFMER). All rights reserved. MAYO, MAYO CLINIC, and the
 * triple-shield Mayo logo are trademarks and service marks of MFMER.
 *
 * Except as contained in the copyright notice above, or as used to identify 
 * MFMER as the author of this software, the trade names, trademarks, service
 * marks, or product names of the copyright holder shall not be used in
 * advertising, promotion or otherwise in connection with this software without
 * prior written authorization of the copyright holder.
 *
 * 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 edu.mayo.cts2.framework.core.xml;

import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;

/**
 * The Class NamespaceAdjustingCastorMarshaller.
 *
 * @author <a href="mailto:kevin.peterson@mayo.edu">Kevin Peterson</a>
 */
public class NamespaceAdjustingCastorMarshaller 
	extends PatchedCastorMarshaller {

	private static final String CORE_NS = "http://www.omg.org/spec/CTS2/1.1/Core";

	/**
	 * Instantiates a new namespace adjusting castor marshaller.
	 *
	 * @param defaultNamespace the default namespace
	 * @param namespaceMappings the namespace mappings
	 */
	public NamespaceAdjustingCastorMarshaller(
			String defaultNamespace,
			Map<String, String> namespaceMappings) {

		this.setNamespaceMappings(
				this.adjustNamespaceMappings(namespaceMappings, defaultNamespace));
	}


	/**
	 * Adjust namespace mappings.
	 *
	 * @param namespaceMappings the namespace mappings
	 * @param defaultNamespace the default namespace
	 * @return the map
	 */
	private Map<String, String> adjustNamespaceMappings(Map<String, String> namespaceMappings, String defaultNamespace) {
		Map<String,String> adjustedMap = new HashMap<String,String>();
		
		for(Entry<String, String> entry : namespaceMappings.entrySet()){
			if(entry.getValue().equals(defaultNamespace)){
				adjustedMap.put("", entry.getValue());
			} else if(entry.getValue().equals(CORE_NS)){
				adjustedMap.put(
						entry.getKey(), 
						entry.getValue());
			}
		}
		return adjustedMap;
	}
}