XmlSchema/src/main/java/org/apache/ws/commons/schema/utils/NamespaceMap.java

/*
 * Copyright 2004,2007 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.ws.commons.schema.utils;

import java.util.*;

public class NamespaceMap extends HashMap implements NamespacePrefixList {
    
    public NamespaceMap() {
    }
    
    public NamespaceMap(Map map) {
        super(map);
    }

    public void add(String prefix, String namespaceURI) {
        put(prefix, namespaceURI);
    }

    public String[] getDeclaredPrefixes() {
        Set keys = keySet();
        return (String[]) keys.toArray(new String[keys.size()]);
    }

    public String getNamespaceURI(String prefix) {
        return get(prefix).toString();
    }

    public String getPrefix(String namespaceURI) {
        Iterator iterator = entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry entry = (Map.Entry) iterator.next();
            if (entry.getValue().toString().equals(namespaceURI)) {
                return (String) entry.getKey();
            }
        }
        return null;
    }

    public Iterator getPrefixes(String namespaceURI) {
        ArrayList list = new ArrayList();
        Iterator iterator = entrySet().iterator();
        while (iterator.hasNext()) {
            Map.Entry entry = (Map.Entry) iterator.next();
            if (entry.getValue().toString().equals(namespaceURI)) {
                list.add(entry.getKey());
            }
        }
        return list.iterator();
    }
}