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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements. See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership. The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License. You may obtain a copy of the License at
9    *
10   * http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied. See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.ws.commons.schema.utils;
20  
21  import java.util.*;
22  
23  public class NamespaceMap extends HashMap implements NamespacePrefixList {
24      
25      /**
26  	 * 
27  	 */
28  	private static final long serialVersionUID = 1L;
29  
30  	public NamespaceMap() {
31      }
32      
33      public NamespaceMap(Map map) {
34          super(map);
35      }
36  
37      public void add(String prefix, String namespaceURI) {
38          put(prefix, namespaceURI);
39      }
40  
41      public String[] getDeclaredPrefixes() {
42          Set keys = keySet();
43          return (String[]) keys.toArray(new String[keys.size()]);
44      }
45  
46      public String getNamespaceURI(String prefix) {
47          return get(prefix).toString();
48      }
49  
50      public String getPrefix(String namespaceURI) {
51          Iterator iterator = entrySet().iterator();
52          while (iterator.hasNext()) {
53              Map.Entry entry = (Map.Entry) iterator.next();
54              if (entry.getValue().toString().equals(namespaceURI)) {
55                  return (String) entry.getKey();
56              }
57          }
58          return null;
59      }
60  
61      public Iterator getPrefixes(String namespaceURI) {
62          ArrayList list = new ArrayList();
63          Iterator iterator = entrySet().iterator();
64          while (iterator.hasNext()) {
65              Map.Entry entry = (Map.Entry) iterator.next();
66              if (entry.getValue().toString().equals(namespaceURI)) {
67                  list.add(entry.getKey());
68              }
69          }
70          return list.iterator();
71      }
72  }