mirror of
https://github.com/Alfresco/alfresco-community-repo.git
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8288d99e98
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@6246 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
220 lines
8.6 KiB
Java
220 lines
8.6 KiB
Java
/*
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* Copyright (C) 2005-2007 Alfresco Software Limited.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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* As a special exception to the terms and conditions of version 2.0 of
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* the GPL, you may redistribute this Program in connection with Free/Libre
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* and Open Source Software ("FLOSS") applications as described in Alfresco's
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* FLOSS exception. You should have recieved a copy of the text describing
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* the FLOSS exception, and it is also available here:
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* http://www.alfresco.com/legal/licensing"
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*/
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package org.alfresco.repo.content.metadata;
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import java.io.File;
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import java.io.Serializable;
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import java.util.Arrays;
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import java.util.HashSet;
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import java.util.Map;
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import org.alfresco.repo.content.MimetypeMap;
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import org.alfresco.service.cmr.repository.ContentReader;
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import org.alfresco.util.TempFileProvider;
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import org.farng.mp3.AbstractMP3FragmentBody;
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import org.farng.mp3.MP3File;
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import org.farng.mp3.id3.AbstractID3v2;
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import org.farng.mp3.id3.AbstractID3v2Frame;
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import org.farng.mp3.id3.ID3v1;
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import org.farng.mp3.lyrics3.AbstractLyrics3;
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import org.farng.mp3.lyrics3.Lyrics3v2;
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import org.farng.mp3.lyrics3.Lyrics3v2Field;
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/**
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* Extracts the following values from MP3 files:
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* <pre>
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* <b>songTitle:</b> -- {music}songTitle, cm:title
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* <b>albumTitle:</b> -- {music}albumTitle
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* <b>artist:</b> -- {music}artist, cm:author
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* <b>description:</b> -- cm:description
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* <b>comment:</b> -- {music}comment
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* <b>yearReleased:</b> -- {music}yearReleased
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* <b>trackNumber:</b> -- {music}trackNumber
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* <b>genre:</b> -- {music}genre
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* <b>composer:</b> -- {music}composer
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* <b>lyrics:</b> -- {music}lyrics
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* </pre>
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*
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* @author Roy Wetherall
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*/
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public class MP3MetadataExtracter extends AbstractMappingMetadataExtracter
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{
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private static final String KEY_SONG_TITLE = "songTitle";
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private static final String KEY_ALBUM_TITLE = "albumTitle";
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private static final String KEY_ARTIST = "artist";
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private static final String KEY_DESCRIPTION = "description";
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private static final String KEY_COMMENT = "comment";
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private static final String KEY_YEAR_RELEASED = "yearReleased";
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private static final String KEY_TRACK_NUMBER = "trackNumber";
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private static final String KEY_GENRE = "genre";
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private static final String KEY_COMPOSER = "composer";
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private static final String KEY_LYRICS = "lyrics";
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public static String[] SUPPORTED_MIMETYPES = new String[] {MimetypeMap.MIMETYPE_MP3 };
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public MP3MetadataExtracter()
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{
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super(new HashSet<String>(Arrays.asList(SUPPORTED_MIMETYPES)));
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}
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@Override
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public Map<String, Serializable> extractRaw(ContentReader reader) throws Throwable
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{
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Map<String, Serializable> rawProperties = newRawMap();
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// Create a temp file
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File tempFile = TempFileProvider.createTempFile("MP3MetadataExtracter_", ".tmp");
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try
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{
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reader.getContent(tempFile);
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// Create the MP3 object from the file
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MP3File mp3File = new MP3File(tempFile);
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ID3v1 id3v1 = mp3File.getID3v1Tag();
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if (id3v1 != null)
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{
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putRawValue(KEY_ALBUM_TITLE, id3v1.getAlbum(), rawProperties);
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putRawValue(KEY_SONG_TITLE, id3v1.getTitle(), rawProperties);
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putRawValue(KEY_ARTIST, id3v1.getArtist(), rawProperties);
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putRawValue(KEY_COMMENT, id3v1.getComment(), rawProperties);
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putRawValue(KEY_YEAR_RELEASED, id3v1.getYear(), rawProperties);
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// TODO sort out the genre
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//putRawValue(MusicModel.KEY_GENRE, id3v1.getGenre());
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// TODO sort out the size
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//putRawValue(MusicModel.KEY_SIZE, id3v1.getSize());
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}
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AbstractID3v2 id3v2 = mp3File.getID3v2Tag();
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if (id3v2 != null)
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{
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putRawValue(KEY_SONG_TITLE, getID3V2Value(id3v2, "TIT2"), rawProperties);
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putRawValue(KEY_ARTIST, getID3V2Value(id3v2, "TPE1"), rawProperties);
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putRawValue(KEY_ALBUM_TITLE, getID3V2Value(id3v2, "TALB"), rawProperties);
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putRawValue(KEY_YEAR_RELEASED, getID3V2Value(id3v2, "TDRC"), rawProperties);
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putRawValue(KEY_COMMENT, getID3V2Value(id3v2, "COMM"), rawProperties);
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putRawValue(KEY_TRACK_NUMBER, getID3V2Value(id3v2, "TRCK"), rawProperties);
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putRawValue(KEY_GENRE, getID3V2Value(id3v2, "TCON"), rawProperties);
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putRawValue(KEY_COMPOSER, getID3V2Value(id3v2, "TCOM"), rawProperties);
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// TODO sort out the lyrics
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//System.out.println("Lyrics: " + getID3V2Value(id3v2, "SYLT"));
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//System.out.println("Lyrics: " + getID3V2Value(id3v2, "USLT"));
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}
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AbstractLyrics3 lyrics3Tag = mp3File.getLyrics3Tag();
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if (lyrics3Tag != null)
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{
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System.out.println("Lyrics3 tag found.");
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if (lyrics3Tag instanceof Lyrics3v2)
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{
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putRawValue(KEY_SONG_TITLE, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TIT2"), rawProperties);
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putRawValue(KEY_ARTIST, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TPE1"), rawProperties);
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putRawValue(KEY_ALBUM_TITLE, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TALB"), rawProperties);
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putRawValue(KEY_COMMENT, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "COMM"), rawProperties);
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putRawValue(KEY_LYRICS, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "SYLT"), rawProperties);
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putRawValue(KEY_COMPOSER, getLyrics3v2Value((Lyrics3v2)lyrics3Tag, "TCOM"), rawProperties);
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}
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}
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}
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finally
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{
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tempFile.delete();
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}
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String description = getDescription(rawProperties);
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if (description != null)
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{
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putRawValue(KEY_DESCRIPTION, description, rawProperties);
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}
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// Done
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return rawProperties;
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}
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/**
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* Generate the description
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*
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* @param props the properties extracted from the file
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* @return the description
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*/
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private String getDescription(Map<String, Serializable> props)
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{
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StringBuilder result = new StringBuilder();
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if (props.get(KEY_SONG_TITLE) != null && props.get(KEY_ARTIST) != null && props.get(KEY_ALBUM_TITLE) != null)
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{
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result
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.append(props.get(KEY_SONG_TITLE))
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.append(" - ")
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.append(props.get(KEY_ALBUM_TITLE))
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.append(" (")
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.append(props.get(KEY_ARTIST))
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.append(")");
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}
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return result.toString();
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}
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private String getLyrics3v2Value(Lyrics3v2 lyrics3Tag, String name)
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{
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String result = "";
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Lyrics3v2Field field = lyrics3Tag.getField(name);
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if (field != null)
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{
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AbstractMP3FragmentBody body = field.getBody();
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if (body != null)
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{
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result = (String)body.getObject("Text");
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}
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}
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return result;
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}
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/**
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* Get the ID3V2 tag value in a safe way
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*/
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private String getID3V2Value(AbstractID3v2 id3v2, String name)
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{
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String result = "";
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AbstractID3v2Frame frame = id3v2.getFrame(name);
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if (frame != null)
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{
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AbstractMP3FragmentBody body = frame.getBody();
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if (body != null)
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{
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result = (String)body.getObject("Text");
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}
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}
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return result;
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}
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}
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