View Javadoc

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      private static final long serialVersionUID = 1L;
26  
27      public NamespaceMap() {
28      }
29      
30      public NamespaceMap(Map map) {
31          super(map);
32      }
33  
34      public void add(String prefix, String namespaceURI) {
35          put(prefix, namespaceURI);
36      }
37  
38      public String[] getDeclaredPrefixes() {
39          Set keys = keySet();
40          return (String[]) keys.toArray(new String[keys.size()]);
41      }
42  
43      public String getNamespaceURI(String prefix) {
44          Object o = get(prefix);
45          return o == null ? null : o.toString();
46      }
47  
48      public String getPrefix(String namespaceURI) {
49          Iterator iterator = entrySet().iterator();
50          while (iterator.hasNext()) {
51              Map.Entry entry = (Map.Entry) iterator.next();
52              String val = entry.getValue() == null ? null : entry.getValue().toString();
53              if (namespaceURI.equals(val)) {
54                  return (String)entry.getKey();
55              }
56          }
57          return null;
58      }
59  
60      public Iterator getPrefixes(String namespaceURI) {
61          ArrayList list = new ArrayList();
62          Iterator iterator = entrySet().iterator();
63          while (iterator.hasNext()) {
64              Map.Entry entry = (Map.Entry) iterator.next();
65              String val = entry.getValue() == null ? null : entry.getValue().toString();
66              if (namespaceURI.equals(val)) {
67                  list.add(entry.getKey());
68              }
69          }
70          return list.iterator();
71      }
72  }