package org.jaudiotagger.audio.mp3;

 import org.jaudiotagger.audio.AudioFile;

 import org.jaudiotagger.audio.exceptions.CannotWriteException;

 import org.jaudiotagger.audio.exceptions.CannotReadException;

 import org.jaudiotagger.audio.generic.AudioFileWriter;

 import org.jaudiotagger.tag.Tag;

 import java.io.IOException;

 import java.io.RandomAccessFile;

 /**

  * Write Mp3 Info (retrofitted to entagged ,done differently to entagged which is why some methods throw RuntimeException)

  * because done elsewhere

  */

 public class MP3FileWriter extends AudioFileWriter

 {

     public void deleteTag(AudioFile f) throws CannotWriteException

     {

         //Because audio file is an instanceof MP3File this directs it to save

         //taking into account if the tag has been sent to null in which case it will be deleted

         f.commit();

     }

     public void writeFile(AudioFile f) throws CannotWriteException

     {

         //Because audio file is an instanceof MP3File this directs it to save

         f.commit();

     }

     /**

      * Delete the Id3v1 and ID3v2 tags from file

      *

      * @param af

      * @throws CannotReadException

      * @throws CannotWriteException

      */

     @Override

     public synchronized void delete(AudioFile af) throws CannotReadException, CannotWriteException

     {

         ((MP3File)af).setID3v1Tag(null);

         ((MP3File)af).setID3v2Tag(null);                

         af.commit();

     }

     protected void writeTag(Tag tag, RandomAccessFile raf, RandomAccessFile rafTemp) throws CannotWriteException, IOException

     {

         throw new RuntimeException("MP3FileReaderwriteTag should not be called");

     }

     protected void deleteTag(RandomAccessFile raf, RandomAccessFile tempRaf) throws CannotWriteException, IOException

     {

         throw new RuntimeException("MP3FileReader.getEncodingInfo should be called");

     }

 }