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1
17 package org.alfresco.repo.content.metadata;
18
19 import java.io.File  ;
20 import java.io.Serializable ;
21 import java.util.HashMap ;
22 import java.util.Map ;
23
24 import org.alfresco.model.ContentModel;
25 import org.alfresco.repo.content.MimetypeMap;
26 import org.alfresco.service.cmr.repository.ContentReader;
27 import org.alfresco.service.namespace.QName;
28 import org.alfresco.util.TempFileProvider;
29 import org.farng.mp3.AbstractMP3FragmentBody;
30 import org.farng.mp3.MP3File;
31 import org.farng.mp3.id3.AbstractID3v2;
32 import org.farng.mp3.id3.AbstractID3v2Frame;
33 import org.farng.mp3.id3.ID3v1;
34 import org.farng.mp3.lyrics3.AbstractLyrics3;
35 import org.farng.mp3.lyrics3.Lyrics3v2;
36 import org.farng.mp3.lyrics3.Lyrics3v2Field;
37
38
41 public class MP3MetadataExtracter extends AbstractMetadataExtracter
42 {
43 private static final QName PROP_ALBUM_TITLE = QName.createQName("{music}albumTitle");
44 private static final QName PROP_SONG_TITLE = QName.createQName("{music}songTitle");;
45 private static final QName PROP_ARTIST = QName.createQName("{music}artist");;
46 private static final QName PROP_COMMENT = QName.createQName("{music}comment");;
47 private static final QName PROP_YEAR_RELEASED = QName.createQName("{music}yearReleased");;
48 private static final QName PROP_TRACK_NUMBER = QName.createQName("{music}trackNumber");;
49 private static final QName PROP_GENRE = QName.createQName("{music}genre");;
50 private static final QName PROP_COMPOSER = QName.createQName("{music}composer");;
51 private static final QName PROP_LYRICS = QName.createQName("{music}lyrics");;
52
53 public MP3MetadataExtracter()
54 {
55 super(MimetypeMap.MIMETYPE_MP3, 1.0, 1000);
56 }
57
58 public void extractInternal(
59 ContentReader reader,
60 Map <QName, Serializable > destination) throws Throwable
61 {
62 Map <QName, Serializable > props = new HashMap <QName, Serializable >();
63
64 File tempFile = TempFileProvider.createTempFile("MP3MetadataExtracter_", ".tmp");
66 try
67 {
68 reader.getContent(tempFile);
69
70 MP3File mp3File = new MP3File(tempFile);
72
73 ID3v1 id3v1 = mp3File.getID3v1Tag();
74 if (id3v1 != null)
75 {
76 setTagValue(props, PROP_ALBUM_TITLE, id3v1.getAlbum());
77 setTagValue(props, PROP_SONG_TITLE, id3v1.getTitle());
78 setTagValue(props, PROP_ARTIST, id3v1.getArtist());
79 setTagValue(props, PROP_COMMENT, id3v1.getComment());
80 setTagValue(props, PROP_YEAR_RELEASED, id3v1.getYear());
81
82
85 }
88
89 AbstractID3v2 id3v2 = mp3File.getID3v2Tag();
90 if (id3v2 != null)
91 {
92 setTagValue(props, PROP_SONG_TITLE, getID3V2Value(id3v2, "TIT2"));
93 setTagValue(props, PROP_ARTIST, getID3V2Value(id3v2, "TPE1"));
94 setTagValue(props, PROP_ALBUM_TITLE, getID3V2Value(id3v2, "TALB"));
95 setTagValue(props, PROP_YEAR_RELEASED, getID3V2Value(id3v2, "TDRC"));
96 setTagValue(props, PROP_COMMENT, getID3V2Value(id3v2, "COMM"));
97 setTagValue(props, PROP_TRACK_NUMBER, getID3V2Value(id3v2, "TRCK"));
98 setTagValue(props, PROP_GENRE, getID3V2Value(id3v2, "TCON"));
99 setTagValue(props, PROP_COMPOSER, getID3V2Value(id3v2, "TCOM"));
100
101 }
105
106 AbstractLyrics3 lyrics3Tag = mp3File.getLyrics3Tag();
107 if (lyrics3Tag != null)
108 {
109 System.out.println("Lyrics3 tag found.");
110 if (lyrics3Tag instanceof Lyrics3v2)
111 {
112 setTagValue(props, PROP_SONG_TITLE, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TIT2"));
113 setTagValue(props, PROP_ARTIST, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TPE1"));
114 setTagValue(props, PROP_ALBUM_TITLE, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TALB"));
115 setTagValue(props, PROP_COMMENT, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "COMM"));
116 setTagValue(props, PROP_LYRICS, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "SYLT"));
117 setTagValue(props, PROP_COMPOSER, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TCOM"));
118 }
119 }
120
121 }
122 finally
123 {
124 tempFile.delete();
125 }
126
127 if (props.get(PROP_SONG_TITLE) != null)
129 {
130 destination.put(ContentModel.PROP_TITLE, props.get(PROP_SONG_TITLE));
131 }
132 if (props.get(PROP_ARTIST) != null)
133 {
134 destination.put(ContentModel.PROP_AUTHOR, props.get(PROP_ARTIST));
135 }
136 String description = getDescription(props);
137 if (description != null)
138 {
139 destination.put(ContentModel.PROP_DESCRIPTION, description);
140 }
141 }
142
143
144
150 private String getDescription(Map <QName, Serializable > props)
151 {
152 StringBuilder result = new StringBuilder ();
153 if (props.get(PROP_SONG_TITLE) != null && props.get(PROP_ARTIST) != null && props.get(PROP_ALBUM_TITLE) != null)
154 {
155 result
156 .append(props.get(PROP_SONG_TITLE))
157 .append(" - ")
158 .append(props.get(PROP_ALBUM_TITLE))
159 .append(" (")
160 .append(props.get(PROP_ARTIST))
161 .append(")");
162
163 }
164
165 return result.toString();
166 }
167
168
174 private void setTagValue(Map <QName, Serializable > props, QName propQName, String propvalue)
175 {
176 if (propvalue != null && propvalue.length() != 0)
177 {
178 trimPut(propQName, propvalue, props);
179 }
180 }
181
182
188 private String getLyrics3v2Value(Lyrics3v2 lyrics3Tag, String name)
189 {
190 String result = "";
191 Lyrics3v2Field field = lyrics3Tag.getField(name);
192 if (field != null)
193 {
194 AbstractMP3FragmentBody body = field.getBody();
195 if (body != null)
196 {
197 result = (String )body.getObject("Text");
198 }
199 }
200 return result;
201 }
202
203
210 private String getID3V2Value(AbstractID3v2 id3v2, String name)
211 {
212 String result = "";
213
214 AbstractID3v2Frame frame = id3v2.getFrame(name);
215 if (frame != null)
216 {
217 AbstractMP3FragmentBody body = frame.getBody();
218 if (body != null)
219 {
220 result = (String )body.getObject("Text");
221 }
222 }
223
224 return result;
225 }
226
227 }
228 |
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