Android Open Source - AudioBook Track Creator

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The source code is released under:

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Java Source Code

/**
 *  This work is licensed under the Creative Commons Attribution-NonCommercial-
 *  NoDerivs 3.0 Unported License. To view a copy of this license, visit
 *  http://creativecommons.org/licenses/by-nc-nd/3.0/ or send a letter to 
 *  Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 
 *  94041, USA.// ww w  .  ja va2s  .  co m
 * 
 *  Use of this work is permitted only in accordance with license rights granted.
 *  Materials provided "AS IS"; no representations or warranties provided.
 * 
 *  Copyright ? 2012 Marcus Parkkinen, Aki K?kel?, Fredrik ?hs.
 **/

package edu.chalmers.dat255.audiobookplayer.util;

import java.io.File;

import android.media.MediaMetadataRetriever;
import edu.chalmers.dat255.audiobookplayer.model.Track;

/**
 * Creates Track instances (filling them with metadata).
 * 
 * @author Aki K?kel?, Fredrik ?hs
 * @version 0.6
 */
public final class TrackCreator {

  private TrackCreator() {
  } // to defeat instantiation

  public static Track createTrack(String path) {
    // Instantiate a metadata retriever object and set its
    // data source path to the provided path
    MediaMetadataRetriever mmr = new MediaMetadataRetriever();
    mmr.setDataSource(path);

    // Get the duration of the track
    String durationText = mmr
        .extractMetadata(MediaMetadataRetriever.METADATA_KEY_DURATION);
    int duration = Integer.parseInt(durationText);

    // Get the title of the track
    String title = mmr
        .extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);

    // If the track name is invalid, use the name of the track file
    if (title == null || title.length() == 0) {
      title = (new File(path)).getName();
      int periodPosition = title.lastIndexOf('.');
      if (periodPosition != -1) {
        title = title.substring(0, periodPosition);
      }
    }
    return new Track(path, title, duration);
  }

}

Java Source Code List