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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      public NamespaceMap() {
26      }
27      
28      public NamespaceMap(Map map) {
29          super(map);
30      }
31  
32      public void add(String prefix, String namespaceURI) {
33          put(prefix, namespaceURI);
34      }
35  
36      public String[] getDeclaredPrefixes() {
37          Set keys = keySet();
38          return (String[]) keys.toArray(new String[keys.size()]);
39      }
40  
41      public String getNamespaceURI(String prefix) {
42          return get(prefix).toString();
43      }
44  
45      public String getPrefix(String namespaceURI) {
46          Iterator iterator = entrySet().iterator();
47          while (iterator.hasNext()) {
48              Map.Entry entry = (Map.Entry) iterator.next();
49              if (entry.getValue().toString().equals(namespaceURI)) {
50                  return (String) entry.getKey();
51              }
52          }
53          return null;
54      }
55  
56      public Iterator getPrefixes(String namespaceURI) {
57          ArrayList list = new ArrayList();
58          Iterator iterator = entrySet().iterator();
59          while (iterator.hasNext()) {
60              Map.Entry entry = (Map.Entry) iterator.next();
61              if (entry.getValue().toString().equals(namespaceURI)) {
62                  list.add(entry.getKey());
63              }
64          }
65          return list.iterator();
66      }
67  }