1 files changed, 105 insertions, 0 deletions
diff --git a/subsonic-main/src/main/java/net/sourceforge/subsonic/ajax/LyricsService.java b/subsonic-main/src/main/java/net/sourceforge/subsonic/ajax/LyricsService.java
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index 00000000..45c039f7
--- /dev/null
+++ b/subsonic-main/src/main/java/net/sourceforge/subsonic/ajax/LyricsService.java
@@ -0,0 +1,105 @@
+/*
+ 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();
+        }
+    }
+}