/*
 * Copyright 2014 Federal Chancellery Austria
 * MOA-ID has been developed in a cooperation between BRZ, the Federal
 * Chancellery Austria - ICT staff unit, and Graz University of Technology.
 *
 * Licensed under the EUPL, Version 1.1 or - as soon they will be approved by
 * the European Commission - subsequent versions of the EUPL (the "Licence");
 * You may not use this work except in compliance with the Licence.
 * You may obtain a copy of the Licence at:
 * http://www.osor.eu/eupl/
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the Licence is distributed on an "AS IS" basis,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the Licence for the specific language governing permissions and
 * limitations under the Licence.
 *
 * This product combines work with different licenses. See the "NOTICE" text
 * file for details on the various modules and licenses.
 * The "NOTICE" text file is part of the distribution. Any derivative works
 * that you distribute must include a readable copy of the "NOTICE" text file.
 */
package at.gv.egovernment.moa.id.protocols.stork2;

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

import javax.xml.namespace.NamespaceContext;

/**
 * @author tlenz
 *
 */
public class SimpleNamespaceContext implements NamespaceContext {

	HashMap<String, String> prefMap = null;	
	/**
	 * @param prefMap
	 */
	 SimpleNamespaceContext(HashMap<String, String> prefMap) {
		 this.prefMap = prefMap;
	}

	/* (non-Javadoc)
	 * @see javax.xml.namespace.NamespaceContext#getNamespaceURI(java.lang.String)
	 */
	@Override
	public String getNamespaceURI(String prefix) {
		if (prefMap.containsKey(prefix))
			return prefMap.get(prefix);		
		else
			return null;
	}

	/* (non-Javadoc)
	 * @see javax.xml.namespace.NamespaceContext#getPrefix(java.lang.String)
	 */
	@Override
	public String getPrefix(String namespaceURI) {
		if (prefMap.containsValue(namespaceURI)) {
			Set<Entry<String, String>> set = prefMap.entrySet();
			for (Entry<String, String> el : set) {
				if (el.getValue().equals(namespaceURI))
					return el.getKey();
				
			}			
		}
		
		return null;
	}

	/* (non-Javadoc)
	 * @see javax.xml.namespace.NamespaceContext#getPrefixes(java.lang.String)
	 */
	@Override
	public Iterator getPrefixes(String namespaceURI) {
		// TODO Auto-generated method stub
		return null;
	}

}