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Java > Open Source Codes > com > sun > syndication > io > impl > ModuleGenerators


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 JavaDoc;
23 import java.util.Map JavaDoc;
24 import java.util.Set JavaDoc;
25 import java.util.HashSet JavaDoc;
26
27 /**
28  */
29 public class ModuleGenerators extends PluginManager {
30     private Set JavaDoc _allNamespaces;
31
32     public ModuleGenerators(String JavaDoc propertyKey) {
33         super(propertyKey);
34     }
35
36     public ModuleGenerator getGenerator(String JavaDoc uri) {
37         return (ModuleGenerator) getPlugin(uri);
38     }
39
40     protected String JavaDoc getKey(Object JavaDoc obj) {
41         return ((ModuleGenerator)obj).getNamespaceUri();
42     }
43
44     public List JavaDoc getModuleNamespaces() {
45         return getKeys();
46     }
47
48     public void generateModules(List JavaDoc modules, Element element) {
49         Map JavaDoc generators = getPluginMap();
50         for (int i = 0; i < modules.size(); i++) {
51             Module module = (Module) modules.get(i);
52             String JavaDoc 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 JavaDoc getAllNamespaces() {
61         if (_allNamespaces==null) {
62             _allNamespaces = new HashSet JavaDoc();
63             List JavaDoc mUris = getModuleNamespaces();
64             for (int i=0;i<mUris.size();i++) {
65                 ModuleGenerator mGen = getGenerator((String JavaDoc)mUris.get(i));
66                 _allNamespaces.addAll(mGen.getNamespaces());
67             }
68         }
69         return _allNamespaces;
70     }
71 }
72
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