Song.java

package fr.edmhouse.audio;

import java.io.File;
import java.util.Map;

import javax.sound.sampled.AudioFileFormat;

import fr.edmhouse.main.StringMatcher;
import javazoom.spi.mpeg.sampled.file.MpegAudioFileReader;

public class Song {

    /** The absolute filepath to the .mp3 file */
    private String filepath;
    private String displayname;
    private String name = null;
    private String author = null;
    /** the length of the .mp3 file */
    public int length;

    /** Constructs a song object using a <code>File </code> object. */
    public Song(File mp3){
	this(mp3.getAbsolutePath());
    }

    /** Constructs a Song object from a .mp3 filepath. */
    public Song(String path) {
	this.filepath = path + "";
	AudioFileFormat baseFileFormat;
	try {
	    baseFileFormat = new MpegAudioFileReader()
		    .getAudioFileFormat(new File(path));
	    @SuppressWarnings("rawtypes")
	    Map properties = baseFileFormat.properties();
	    long duration = (long) properties.get("duration");
	    this.length = (int) duration / 1000;
	    this.author = (String) properties.get("author");
	    this.name = (String) properties.get("title");
	} catch (Exception e) {
	    e.printStackTrace();
	}
	File tempfile = new File(path);
	this.displayname = StringMatcher.getRawFilename(tempfile.getName());
	if (this.author != null && !this.author.equals("") && this.name != null
		&& !this.name.equals(""))
	    this.displayname = this.author + " - " + this.name;
    }

    public String getfilepath() {
	return this.filepath;
    }

    /**
     * Returns the displayname of the song. Usually Artist - Name , but just the
     * name of the mp3 file if not specified.
     */
    public String getdipsplayname() {
	return this.displayname;
    }

    /**
     * Returns the duration of an mp3 file in miliseconds. Don't work with .wav
     * files. Returns 0 in case of errors.<br/>
     * Note : I'm aware that this is not hte best method to get it, but I just
     * couldn't find something better. <br/>
     * <strong>Deprecated :</strong> this method has been deprecated due to high
     * and not necessary CPU usage. It is also rather slow. MP3 length can now
     * be obtained by creating a Song Object with the filepath, and using the
     * public Song.length attribute.
     */
    @Deprecated
    public static int getmp3Length(File file) {
	AudioFileFormat baseFileFormat;
	try {
	    baseFileFormat = new MpegAudioFileReader().getAudioFileFormat(file);
	    @SuppressWarnings("rawtypes")
	    Map properties = baseFileFormat.properties();
	    long duration = (long) properties.get("duration");
	    return (int) duration / 1000;
	} catch (Exception e) {
	    e.printStackTrace();
	    return 0;
	}
    }
}