/*
* ModeShape (http://www.modeshape.org)
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.modeshape.sequencer.mp3;
import static org.jaudiotagger.tag.FieldKey.ALBUM;
import static org.jaudiotagger.tag.FieldKey.ARTIST;
import static org.jaudiotagger.tag.FieldKey.COMMENT;
import static org.jaudiotagger.tag.FieldKey.TITLE;
import static org.jaudiotagger.tag.FieldKey.YEAR;
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.
*/
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 ) throws Exception {
Mp3Metadata me = null;
File tmpFile = null;
try {
tmpFile = File.createTempFile("modeshape-sequencer-mp3", ".mp3");
FileOutputStream fileOutputStream = new FileOutputStream(tmpFile);
byte[] b = new byte[1024];
while (stream.read(b) != -1) {
fileOutputStream.write(b);
}
fileOutputStream.close();
AudioFileIO.logger.getParent().setLevel(Level.OFF);
AudioFile f = AudioFileIO.read(tmpFile);
Tag tag = f.getTag();
me = new Mp3Metadata();
me.author = tag.getFirst(ARTIST);
me.album = tag.getFirst(ALBUM);
me.title = tag.getFirst(TITLE);
me.comment = tag.getFirst(COMMENT);
me.year = tag.getFirst(YEAR);
} 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;
}
}