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


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.io.WireFeedGenerator;
20
21 import java.util.List JavaDoc;
22
23 /**
24  * Generates an XML document (JDOM Document) out of a Feed.
25  * <p>
26  * It can generate all flavors of RSS (0.90, 0.91, 0.92, 0.93, 0.94, 1.0 and 2.0) and
27  * Atom 0.3 feed.
28  * <p>
29  * WireFeedGenerator instances are thread safe.
30  * <p>
31  * Generators for a specific type must extend this class and register in the generator list.
32  * (Right now registration is hardcoded in the WireFeedGenerator constructor).
33  * <p>
34  * @author Alejandro Abdelnur
35  *
36  */
37 public class FeedGenerators extends PluginManager {
38
39     /**
40      * WireFeedGenerator.classes= [className] ...
41      *
42      */
43     public static final String JavaDoc FEED_GENERATORS_KEY = "WireFeedGenerator.classes";
44
45
46     public FeedGenerators() {
47         super(FEED_GENERATORS_KEY);
48     }
49
50     public WireFeedGenerator getGenerator(String JavaDoc feedType) {
51         return (WireFeedGenerator) getPlugin(feedType);
52     }
53
54     protected String JavaDoc getKey(Object JavaDoc obj) {
55         return ((WireFeedGenerator)obj).getType();
56     }
57
58     public List JavaDoc getSupportedFeedTypes() {
59         return getKeys();
60     }
61
62 }
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