/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.dna.sequencer.mp3;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.util.logging.Level;
import org.jaudiotagger.audio.AudioFile;
import org.jaudiotagger.audio.AudioFileIO;
import org.jaudiotagger.tag.Tag;
/**
* Utility for extracting metadata from MP3 files.
*
* @author Stefano Maestri
*/
public class Mp3Metadata {
private String title;
private String author;
private String album;
private String year;
private String comment;
private Mp3Metadata() {
}
public static Mp3Metadata instance( InputStream stream ) {
Mp3Metadata me = null;
File tmpFile = null;
try {
tmpFile = File.createTempFile("dna-sequencer-mp3", ".mp3");
FileOutputStream writer = new FileOutputStream(tmpFile);
byte[] b = new byte[128];
while (stream.read(b) != -1) {
writer.write(b);
}
writer.close();
AudioFileIO.logger.getParent().setLevel(Level.OFF);
AudioFile f = AudioFileIO.read(tmpFile);
Tag tag = f.getTag();
me = new Mp3Metadata();
me.author = tag.getFirstArtist();
me.album = tag.getFirstAlbum();
me.title = tag.getFirstTitle();
me.comment = tag.getFirstComment();
me.year = tag.getFirstYear();
} catch (Exception e) {
e.printStackTrace();
} finally {
if (tmpFile != null) {
tmpFile.delete();
}
}
return me;
}
public String getTitle() {
return title;
}
public String getAuthor() {
return author;
}
public String getAlbum() {
return album;
}
public String getYear() {
return year;
}
public String getComment() {
return comment;
}
}