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1   /*
2    * Copyright 2004 Sun Microsystems, Inc.
3    *
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    *     http://www.apache.org/licenses/LICENSE-2.0
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   *
16   */
17  package com.sun.syndication.io.impl;
18  
19  import com.sun.syndication.feed.module.Module;
20  import com.sun.syndication.io.ModuleGenerator;
21  import org.jdom.Element;
22  import java.util.List;
23  import java.util.Map;
24  import java.util.Set;
25  import java.util.HashSet;
26  
27  /***
28   */
29  public class ModuleGenerators extends PluginManager {
30      private Set _allNamespaces;
31  
32      public ModuleGenerators(String propertyKey) {
33          super(propertyKey);
34      }
35  
36      public ModuleGenerator getGenerator(String uri) {
37          return (ModuleGenerator) getPlugin(uri);
38      }
39  
40      protected String getKey(Object obj) {
41          return ((ModuleGenerator)obj).getNamespaceUri();
42      }
43  
44      public List getModuleNamespaces() {
45          return getKeys();
46      }
47  
48      public void generateModules(List modules, Element element) {
49          Map generators = getPluginMap();
50          for (int i = 0; i < modules.size(); i++) {
51              Module module = (Module) modules.get(i);
52              String namespaceUri = module.getUri();
53              ModuleGenerator generator = (ModuleGenerator)generators.get(namespaceUri);
54              if (generator != null) {
55                  generator.generate(module, element);
56              }
57          }
58      }
59  
60      public Set getAllNamespaces() {
61          if (_allNamespaces==null) {
62              _allNamespaces = new HashSet();
63              List mUris = getModuleNamespaces();
64              for (int i=0;i<mUris.size();i++) {
65                  ModuleGenerator mGen = getGenerator((String)mUris.get(i));
66                  _allNamespaces.addAll(mGen.getNamespaces());
67              }
68          }
69          return _allNamespaces;
70      }
71  }