01: /*
02: * Copyright (c) 2007, Sun Microsystems, Inc. All rights reserved.
03: *
04: * Redistribution and use in source and binary forms, with or without
05: * modification, are permitted provided that the following conditions are met:
06: *
07: * * Redistributions of source code must retain the above copyright notice,
08: * this list of conditions and the following disclaimer.
09: *
10: * * Redistributions in binary form must reproduce the above copyright notice,
11: * this list of conditions and the following disclaimer in the documentation
12: * and/or other materials provided with the distribution.
13: *
14: * * Neither the name of Sun Microsystems, Inc. nor the names of its contributors
15: * may be used to endorse or promote products derived from this software without
16: * specific prior written permission.
17: *
18: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19: * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21: * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
22: * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28: * THE POSSIBILITY OF SUCH DAMAGE.
29: */
30: package org.myorg.feedreader;
31:
32: import com.sun.syndication.feed.synd.SyndFeed;
33: import com.sun.syndication.fetcher.FeedFetcher;
34: import com.sun.syndication.fetcher.impl.HashMapFeedInfoCache;
35: import com.sun.syndication.fetcher.impl.HttpURLFeedFetcher;
36: import java.io.IOException;
37: import java.io.Serializable;
38: import java.net.URL;
39:
40: public class Feed implements Serializable {
41:
42: private static final long serialVersionUID = 1L;
43:
44: private static final FeedFetcher FEED_FETCHER = new HttpURLFeedFetcher(
45: HashMapFeedInfoCache.getInstance());
46:
47: private transient SyndFeed syndFeed;
48: private final URL url;
49: private String name;
50:
51: public Feed(URL url) {
52: this .url = url;
53: name = url.toExternalForm();
54: }
55:
56: public URL getURL() {
57: return url;
58: }
59:
60: public SyndFeed getSyndFeed() throws IOException {
61: if (syndFeed == null) {
62: try {
63: syndFeed = FEED_FETCHER.retrieveFeed(url);
64: String title = syndFeed.getTitle();
65: if (title != null) {
66: name = title;
67: }
68: } catch (Exception ex) {
69: throw (IOException) new IOException(ex.toString())
70: .initCause(ex);
71: }
72: }
73: return syndFeed;
74: }
75:
76: public String toString() {
77: return name;
78: }
79:
80: }
|