1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
This file is part of Subsonic.
Subsonic is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
Subsonic is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Subsonic. If not, see <http://www.gnu.org/licenses/>.
Copyright 2009 (C) Sindre Mehus
*/
package net.sourceforge.subsonic.ajax;
import net.sourceforge.subsonic.Logger;
import net.sourceforge.subsonic.util.StringUtil;
import org.apache.http.client.HttpClient;
import org.apache.http.client.ResponseHandler;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.params.HttpConnectionParams;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.Namespace;
import org.jdom.input.SAXBuilder;
import java.io.IOException;
import java.io.StringReader;
/**
* Provides AJAX-enabled services for retrieving song lyrics from chartlyrics.com.
* <p/>
* See http://www.chartlyrics.com/api.aspx for details.
* <p/>
* This class is used by the DWR framework (http://getahead.ltd.uk/dwr/).
*
* @author Sindre Mehus
*/
public class LyricsService {
private static final Logger LOG = Logger.getLogger(LyricsService.class);
/**
* Returns lyrics for the given song and artist.
*
* @param artist The artist.
* @param song The song.
* @return The lyrics, never <code>null</code> .
*/
public LyricsInfo getLyrics(String artist, String song) {
LyricsInfo lyrics = new LyricsInfo();
try {
artist = StringUtil.urlEncode(artist);
song = StringUtil.urlEncode(song);
String url = "http://api.chartlyrics.com/apiv1.asmx/SearchLyricDirect?artist=" + artist + "&song=" + song;
String xml = executeGetRequest(url);
lyrics = parseSearchResult(xml);
} catch (Exception x) {
LOG.warn("Failed to get lyrics for song '" + song + "'.", x);
}
return lyrics;
}
private LyricsInfo parseSearchResult(String xml) throws Exception {
SAXBuilder builder = new SAXBuilder();
Document document = builder.build(new StringReader(xml));
Element root = document.getRootElement();
Namespace ns = root.getNamespace();
String lyric = root.getChildText("Lyric", ns);
String song = root.getChildText("LyricSong", ns);
String artist = root.getChildText("LyricArtist", ns);
return new LyricsInfo(lyric, artist, song);
}
private String executeGetRequest(String url) throws IOException {
HttpClient client = new DefaultHttpClient();
HttpConnectionParams.setConnectionTimeout(client.getParams(), 15000);
HttpConnectionParams.setSoTimeout(client.getParams(), 15000);
HttpGet method = new HttpGet(url);
try {
ResponseHandler<String> responseHandler = new BasicResponseHandler();
return client.execute(method, responseHandler);
} finally {
client.getConnectionManager().shutdown();
}
}
}
|
