NamespacePrefixResolver


1   /*
2    * Copyright (C) 2005 Alfresco, Inc.
3    *
4    * Licensed under the Mozilla Public License version 1.1 
5    * with a permitted attribution clause. You may obtain a
6    * copy of the License at
7    *
8    *   http://www.alfresco.org/legal/license.txt
9    *
10   * Unless required by applicable law or agreed to in writing,
11   * software distributed under the License is distributed on an
12   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
13   * either express or implied. See the License for the specific
14   * language governing permissions and limitations under the
15   * License.
16   */
17  package org.alfresco.service.namespace;
18  
19  import java.util.Collection  ;
20  
21  /**
22   * The <code>NamespacePrefixResolver</code> provides a mapping between
23   * namespace prefixes and namespace URIs.
24   * 
25   * @author David Caruana
26   */
27  public interface NamespacePrefixResolver
28  {
29      /**
30       * Gets the namespace URI registered for the given prefix
31       * 
32       * @param prefix  prefix to lookup
33       * @return  the namespace
34       * @throws NamespaceException  if prefix has not been registered  
35       */
36      public String   getNamespaceURI(String   prefix)
37          throws NamespaceException;
38      
39      /**
40       * Gets the registered prefixes for the given namespace URI
41       * 
42       * @param namespaceURI  namespace URI to lookup
43       * @return  the prefixes (or empty collection, if no prefixes registered against URI)
44       * @throws NamespaceException  if URI has not been registered 
45       */
46      public Collection  <String  > getPrefixes(String   namespaceURI)
47          throws NamespaceException;
48      
49      /**
50       * Gets all registered Prefixes
51       * 
52       * @return collection of all registered namespace prefixes
53       */
54      Collection  <String  > getPrefixes();
55  
56      /**
57       * Gets all registered Uris
58       * 
59       * @return collection of all registered namespace uris
60       */
61      Collection  <String  > getURIs();
62  
63  }
64
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