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Java > Open Source Codes > org > myorg > feedreader > Feed


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2006 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19 package org.myorg.feedreader;
20
21 import com.sun.syndication.feed.synd.SyndFeed;
22 import com.sun.syndication.fetcher.FeedFetcher;
23 import com.sun.syndication.fetcher.impl.HashMapFeedInfoCache;
24 import com.sun.syndication.fetcher.impl.HttpURLFeedFetcher;
25 import java.io.IOException JavaDoc;
26 import java.io.Serializable JavaDoc;
27 import java.net.URL JavaDoc;
28
29 public class Feed implements Serializable JavaDoc {
30
31     private static final long serialVersionUID = 1L;
32
33     private static final FeedFetcher FEED_FETCHER =
34             new HttpURLFeedFetcher(HashMapFeedInfoCache.getInstance());
35     
36     private transient SyndFeed syndFeed;
37     private final URL JavaDoc url;
38     private String JavaDoc name;
39     
40     public Feed(URL JavaDoc url) {
41         this.url = url;
42         name = url.toExternalForm();
43     }
44     
45     public URL JavaDoc getURL() {
46         return url;
47     }
48     
49     public SyndFeed getSyndFeed() throws IOException JavaDoc {
50         if (syndFeed == null) {
51             try {
52                 syndFeed = FEED_FETCHER.retrieveFeed(url);
53                 String JavaDoc title = syndFeed.getTitle();
54                 if (title != null) {
55                     name = title;
56                 }
57             } catch (Exception JavaDoc ex) {
58                 throw (IOException JavaDoc) new IOException JavaDoc(ex.toString()).initCause(ex);
59             }
60         }
61         return syndFeed;
62     }
63     
64     public String JavaDoc toString() {
65         return name;
66     }
67     
68 }
69
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