Coverage Report

Coverage Report - org.jaudiotagger.audio.mp3.MP3File

Classes in this File
Line Coverage
Branch Coverage
Complexity
MP3File
68%
159/235
64%
46/72
 /**
  *  @author : Paul Taylor
  *  @author : Eric Farng
  *
  *  Version @version:$Id: MP3File.java,v 1.38 2008/07/24 13:47:07 paultaylor Exp $
  *
  *  MusicTag Copyright (C)2003,2004
  *
  *  This library 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 library 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 library; if not,
  *  you can get a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software
  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  *
  */
 package org.jaudiotagger.audio.mp3;
 
 import org.jaudiotagger.audio.AudioFile;
 import org.jaudiotagger.audio.exceptions.CannotWriteException;
 import org.jaudiotagger.audio.exceptions.InvalidAudioFrameException;
 import org.jaudiotagger.audio.exceptions.ReadOnlyFileException;
 import org.jaudiotagger.logging.*;
 import org.jaudiotagger.tag.Tag;
 import org.jaudiotagger.tag.TagException;
 import org.jaudiotagger.tag.TagNotFoundException;
 import org.jaudiotagger.tag.TagOptionSingleton;
 import org.jaudiotagger.tag.id3.*;
 import org.jaudiotagger.tag.lyrics3.AbstractLyrics3;
 
 import java.io.*;
 import java.nio.ByteBuffer;
 import java.nio.channels.FileChannel;
 import java.util.logging.Level;
 
 /**
  * This class represents a physical MP3 File
  */
 public class MP3File extends AudioFile
 {
     private static final int MINIMUM_FILESIZE = 150;
 
     protected static AbstractTagDisplayFormatter tagFormatter;
 
     /**
      * the ID3v2 tag that this file contains.
      */
     private AbstractID3v2Tag id3v2tag = null;
 
     /**
      * Representation of the idv2 tag as a idv24 tag
      */
     private ID3v24Tag id3v2Asv24tag = null;
 
     /**
      * The Lyrics3 tag that this file contains.
      */
     private AbstractLyrics3 lyrics3tag = null;
 
 
     /**
      * The ID3v1 tag that this file contains.
      */
     private ID3v1Tag id3v1tag = null;
 
     /**
      * Creates a new empty MP3File datatype that is not associated with a
      * specific file.
      */
     public MP3File()
     {
     }
 
     /**
      * Creates a new MP3File datatype and parse the tag from the given filename.
      *
      * @param filename MP3 file
      * @throws IOException  on any I/O error
      * @throws TagException on any exception generated by this library.
      */
     public MP3File(String filename) throws IOException, TagException, ReadOnlyFileException, InvalidAudioFrameException
     {
         this(new File(filename));
     }
 
 
     /* Load ID3V1tag if exists */
     public static final int LOAD_IDV1TAG = 2;
 
     /* Load ID3V2tag if exists */
     public static final int LOAD_IDV2TAG = 4;
 
     /**
      * This option is currently ignored
      */
     public static final int LOAD_LYRICS3 = 8;
 
     public static final int LOAD_ALL = LOAD_IDV1TAG | LOAD_IDV2TAG | LOAD_LYRICS3;
 
     /**
      * Creates a new MP3File datatype and parse the tag from the given file
      * Object, files must be writable to use this constructor.
      *
      * @param file        MP3 file
      * @param loadOptions decide what tags to load
      * @throws IOException  on any I/O error
      * @throws TagException on any exception generated by this library.
      */
     public MP3File(File file, int loadOptions) throws IOException, TagException, ReadOnlyFileException, InvalidAudioFrameException
     {
         this(file, loadOptions, false);
     }
 
     /**
      * Read v1 tag
      *
      * @param file
      * @param newFile
      * @param loadOptions
      * @throws IOException
      */
     private void readV1Tag(File file, RandomAccessFile newFile, int loadOptions) throws IOException
     {
         if ((loadOptions & LOAD_IDV1TAG) != 0)
         {
             logger.finer("Attempting to read id3v1tags");
             try
             {
                 id3v1tag = new ID3v11Tag(newFile, file.getName());
             }
             catch (TagNotFoundException ex)
             {
                 logger.info("No ids3v11 tag found");
             }
 
             try
             {
                 if (id3v1tag == null)
                 {
                     id3v1tag = new ID3v1Tag(newFile, file.getName());
                 }
             }
             catch (TagNotFoundException ex)
             {
                 logger.info("No id3v1 tag found");
             }
         }
     }
 
     /**
      * Read V2tag if exists
      * <p/>
      * TODO:shouldnt we be handing TagExceptions:when will they be thrown
      *
      * @param file
      * @param loadOptions
      * @throws IOException
      * @throws TagException
      */
     private void readV2Tag(File file, int loadOptions) throws IOException, TagException
     {
         //We know where the Actual Audio starts so load all the file from start to that point into
         //a buffer then we can read the IDv2 information without needing any more file I/O
         int startByte = (int) ((MP3AudioHeader) audioHeader).getMp3StartByte();
         if (startByte >= AbstractID3v2Tag.TAG_HEADER_LENGTH)
         {
             logger.finer("Attempting to read id3v2tags");
             FileInputStream fis = null;
             FileChannel fc = null;
             ByteBuffer bb = null;
             try
             {
                 fis = new FileInputStream(file);
                 fc = fis.getChannel();
                 //Read into Byte Buffer
                 bb = ByteBuffer.allocate(startByte);
                 fc.read(bb);
             }
             finally
             {
                 if (fc != null)
                 {
                     fc.close();
                 }
 
                 if (fis != null)
                 {
                     fis.close();
                 }
             }
 
             bb.rewind();
 
             if ((loadOptions & LOAD_IDV2TAG) != 0)
             {
                 logger.info("Attempting to read id3v2tags");
                 try
                 {
                     this.setID3v2Tag(new ID3v24Tag(bb, file.getName()));
                 }
                 catch (TagNotFoundException ex)
                 {
                     logger.info("No id3v24 tag found");
                 }
 
                 try
                 {
                     if (id3v2tag == null)
                     {
                         this.setID3v2Tag(new ID3v23Tag(bb, file.getName()));
                     }
                 }
                 catch (TagNotFoundException ex)
                 {
                     logger.info("No id3v23 tag found");
                 }
 
                 try
                 {
                     if (id3v2tag == null)
                     {
                         this.setID3v2Tag(new ID3v22Tag(bb, file.getName()));
                     }
                 }
                 catch (TagNotFoundException ex)
                 {
                     logger.info("No id3v22 tag found");
                 }
             }
         }
         else
         {
             logger.info("Not enough room for valid id3v2 tag:" + startByte);
         }
     }
 
     /**
      * Read lyrics3 Tag
      * <p/>
      * TODO:not working
      *
      * @param file
      * @param newFile
      * @param loadOptions
      * @throws IOException
      */
     private void readLyrics3Tag(File file, RandomAccessFile newFile, int loadOptions) throws IOException
     {
         /*if ((loadOptions & LOAD_LYRICS3) != 0)
         {
             try
             {
                 lyrics3tag = new Lyrics3v2(newFile);
             }
             catch (TagNotFoundException ex)
             {
             }
             try
             {
                 if (lyrics3tag == null)
                 {
                     lyrics3tag = new Lyrics3v1(newFile);
                 }
             }
             catch (TagNotFoundException ex)
             {
             }
         }
         */
     }
 
     /**
      * Regets the audio header starting from start of file, and write appropriate logging to indicate
      * potential problem to user.
      *
      * @param startByte
      * @param currentHeader
      * @return
      * @throws IOException
      * @throws InvalidAudioFrameException
      */
     private MP3AudioHeader checkAudioStart(long startByte, MP3AudioHeader currentHeader) throws IOException, InvalidAudioFrameException
     {
         MP3AudioHeader newAudioHeader;
         MP3AudioHeader nextAudioHeader;
 
         logger.warning(ErrorMessage.MP3_ID3TAG_LENGTH_INCORRECT.getMsg(file.getPath(), Hex.asHex(startByte), Hex.asHex(currentHeader.getMp3StartByte())));
 
         //because we cant agree on start location we reread the audioheader from the start of the file, at least
         //this way we cant overwrite the audio although we might overwrite part of the tag if we write this file
         //back later
         newAudioHeader = new MP3AudioHeader(file, 0);
         logger.info("Checking from start:" + newAudioHeader);
 
         if (currentHeader.getMp3StartByte() == newAudioHeader.getMp3StartByte())
         {
             //Although the tag size appears to be incorrect at least we have found the same location for the start
             //of audio whether we start searching from start of file or at the end of the alleged of file so no real
             //problem
             logger.info(ErrorMessage.MP3_START_OF_AUDIO_CONFIRMED.getMsg(file.getPath(), Hex.asHex(newAudioHeader.getMp3StartByte())));
             return currentHeader;
         }
         else
         {
             //We get a different value if read from start, can't guarantee 100% correct lets do some more checks
             logger.info((ErrorMessage.MP3_RECALCULATED_POSSIBLE_START_OF_MP3_AUDIO.getMsg(file.getPath(), Hex.asHex(newAudioHeader.getMp3StartByte()))));
 
             //Frame counts dont match so eiither currentHeader or newAudioHeader isnt really audio header
             if (currentHeader.getNumberOfFrames() != newAudioHeader.getNumberOfFrames())
             {
                 //Skip to the next header (header 2, counting from start of file)
                 nextAudioHeader = new MP3AudioHeader(file, newAudioHeader.getMp3StartByte() + newAudioHeader.mp3FrameHeader.getFrameLength());
                 logger.info("Checking next:" + nextAudioHeader);
 
                 //It matches the header we found when doing the original search from after the ID3Tag therefore it
                 //seems that newAudioHeader was a false match and the original header was correct
                 if (nextAudioHeader.getMp3StartByte() == currentHeader.getMp3StartByte())
                 {
                     logger.warning((ErrorMessage.MP3_START_OF_AUDIO_CONFIRMED.getMsg(file.getPath(), Hex.asHex(currentHeader.getMp3StartByte()))));
                     return currentHeader;
                 }
                 //it matches the header we just found so lends weight to the fact that the audio does indeed start at new header
                 else if (nextAudioHeader.getNumberOfFrames() == newAudioHeader.getNumberOfFrames())
                 {
                     logger.warning((ErrorMessage.MP3_RECALCULATED_START_OF_MP3_AUDIO.getMsg(file.getPath(), Hex.asHex(newAudioHeader.getMp3StartByte()))));
                     return newAudioHeader;
                 }
                 ///Not sure but safer to return earlier audio beause stops jaudiotagger overwriting when writing tag
                 else
                 {
                     logger.warning((ErrorMessage.MP3_RECALCULATED_START_OF_MP3_AUDIO.getMsg(file.getPath(), Hex.asHex(newAudioHeader.getMp3StartByte()))));
                     return newAudioHeader;
                 }
             }
             //Same frame count so probably both audio headers with newAudioHeader being the firt one
             else
             {
                 logger.warning((ErrorMessage.MP3_RECALCULATED_START_OF_MP3_AUDIO.getMsg(file.getPath(), Hex.asHex(newAudioHeader.getMp3StartByte()))));
                 return newAudioHeader;
             }
         }
     }
 
     /**
      * Creates a new MP3File datatype and parse the tag from the given file
      * Object, files can be onpened read only if required.
      *
      * @param file        MP3 file
      * @param loadOptions decide what tags to load
      * @param readOnly    causes the files to be opened readonly
      * @throws IOException  on any I/O error
      * @throws TagException on any exception generated by this library.
      */
     public MP3File(File file, int loadOptions, boolean readOnly) throws IOException, TagException, ReadOnlyFileException, InvalidAudioFrameException
     {
         RandomAccessFile newFile = null;
         try
         {
             this.file = file;
 
             //Check File accessibility
             newFile = checkFilePermissions(file, readOnly);
 
             //Read ID3v2 tag size (if tag exists) to allow audioheader parsing to skip over tag
             long startByte = AbstractID3v2Tag.getV2TagSizeIfExists(file);
 
             //If exception reading Mpeg then we should give up no point continuing
             audioHeader = new MP3AudioHeader(file, startByte);
 
             if (startByte != ((MP3AudioHeader) audioHeader).getMp3StartByte())
             {
                 logger.info("First header found after tag:" + audioHeader);
                 audioHeader = checkAudioStart(startByte, (MP3AudioHeader) audioHeader);
             }
 
             //Read v1 tags (if any)
             readV1Tag(file, newFile, loadOptions);
 
             //Read v2 tags (if any)
             readV2Tag(file, loadOptions);
 
             //If we have a v2 tag use that, if we dont but have v1 tag use that
             //otherwise use nothing
             //TODO:if have both should we merge
             //rather than just returning specific ID3v22 tag, would it be better to return v24 version ?
             if (this.getID3v2Tag() != null)
             {
                 tag = this.getID3v2Tag();
             }
             else if (id3v1tag != null)
             {
                 tag = id3v1tag;
             }
 
             //Read Lyrics 3
             //readLyrics3Tag(File file,RandomAccessFile  newFile,int loadOptions)
         }
         finally
         {
             if (newFile != null)
             {
                 newFile.close();
             }
         }
     }
 
     /**
      * Used by tags when writing to calculate the location of the music file
      *
      * @return the location within the file that the audio starts
      */
     public long getMP3StartByte(File file) throws InvalidAudioFrameException, IOException
     {
         try
         {
             //Read ID3v2 tag size (if tag exists) to allow audioheader parsing to skip over tag
             long startByte = AbstractID3v2Tag.getV2TagSizeIfExists(file);
 
             MP3AudioHeader audioHeader = new MP3AudioHeader(file, startByte);
             if (startByte != audioHeader.getMp3StartByte())
             {
                 logger.info("First header found after tag:" + audioHeader);
                 audioHeader = checkAudioStart(startByte, audioHeader);
             }
             return audioHeader.getMp3StartByte();
         }
         catch (InvalidAudioFrameException iafe)
         {
             throw iafe;
         }
         catch (IOException ioe)
         {
             throw ioe;
         }
     }
 
     /**
      * Extracts the raw ID3v2 tag data into a file.
      * <p/>
      * This provides access to the raw data before manipulation, the data is written from the start of the file
      * to the start of the Audio Data. This is primarily useful for manipulating corrupted tags that are not
      * (fully) loaded using the standard methods.
      *
      * @param outputFile to write the data to
      * @return
      * @throws TagNotFoundException
      * @throws IOException
      */
     public File extractID3v2TagDataIntoFile(File outputFile) throws TagNotFoundException, IOException
     {
         int startByte = (int) ((MP3AudioHeader) audioHeader).getMp3StartByte();
         if (startByte >= 0)
         {
 
             //Read byte into buffer
             FileInputStream fis = new FileInputStream(file);
             FileChannel fc = fis.getChannel();
             ByteBuffer bb = ByteBuffer.allocate(startByte);
             fc.read(bb);
 
             //Write bytes to outputFile
             FileOutputStream out = new FileOutputStream(outputFile);
             out.write(bb.array());
             out.close();
             fc.close();
             fis.close();
             return outputFile;
         }
         throw new TagNotFoundException("There is no ID3v2Tag data in this file");
     }
 
     /**
      * Return audio header
      */
     public MP3AudioHeader getMP3AudioHeader()
     {
         return (MP3AudioHeader) getAudioHeader();
     }
 
     /**
      * Returns true if this datatype contains an <code>Id3v1</code> tag
      *
      * @return true if this datatype contains an <code>Id3v1</code> tag
      */
     public boolean hasID3v1Tag()
     {
         return (id3v1tag != null);
     }
 
     /**
      * Returns true if this datatype contains an <code>Id3v2</code> tag
      *
      * @return true if this datatype contains an <code>Id3v2</code> tag
      */
     public boolean hasID3v2Tag()
     {
         return (id3v2tag != null);
     }
 
     /**
      * Returns true if this datatype contains a <code>Lyrics3</code> tag
      * TODO disabled until Lyrics3 fixed
      * @return true if this datatype contains a <code>Lyrics3</code> tag
      */
     /*
     public boolean hasLyrics3Tag()
     {
         return (lyrics3tag != null);
     }
     */
 
     /**
      * Creates a new MP3File datatype and parse the tag from the given file
      * Object.
      *
      * @param file MP3 file
      * @throws IOException  on any I/O error
      * @throws TagException on any exception generated by this library.
      */
     public MP3File(File file) throws IOException, TagException, ReadOnlyFileException, InvalidAudioFrameException
     {
         this(file, LOAD_ALL);
     }
 
     /**
      * Sets the ID3v1(_1)tag to the tag provided as an argument.
      *
      * @param id3v1tag
      */
     public void setID3v1Tag(ID3v1Tag id3v1tag)
     {
         logger.info("setting tagv1:v1 tag");
         this.id3v1tag = id3v1tag;
     }
 
     public void setID3v1Tag(Tag id3v1tag)
     {
         logger.info("setting tagv1:v1 tag");
         this.id3v1tag = (ID3v1Tag) id3v1tag;
     }
 
     /**
      * Sets the <code>ID3v1</code> tag for this datatype. A new
      * <code>ID3v1_1</code> datatype is created from the argument and then used
      * here.
      *
      * @param mp3tag Any MP3Tag datatype can be used and will be converted into a
      *               new ID3v1_1 datatype.
      */
     public void setID3v1Tag(AbstractTag mp3tag)
     {
         logger.info("setting tagv1:abstract");
         id3v1tag = new ID3v11Tag(mp3tag);
     }
 
     /**
      * Returns the <code>ID3v1</code> tag for this datatype.
      *
      * @return the <code>ID3v1</code> tag for this datatype
      */
     public ID3v1Tag getID3v1Tag()
     {
         return id3v1tag;
     }
 
     /**
      * Sets the <code>ID3v2</code> tag for this datatype. A new
      * <code>ID3v2_4</code> datatype is created from the argument and then used
      * here.
      *
      * @param mp3tag Any MP3Tag datatype can be used and will be converted into a
      *               new ID3v2_4 datatype.
      */
     public void setID3v2Tag(AbstractTag mp3tag)
     {
         id3v2tag = new ID3v24Tag(mp3tag);
 
     }
 
     /**
      * Sets the v2 tag to the v2 tag provided as an argument.
      * Also store a v24 version of tag as v24 is the interface to be used
      * when talking with client applications.
      *
      * @param id3v2tag
      */
     public void setID3v2Tag(AbstractID3v2Tag id3v2tag)
     {
         this.id3v2tag = id3v2tag;
         if (id3v2tag instanceof ID3v24Tag)
         {
             this.id3v2Asv24tag = (ID3v24Tag) this.id3v2tag;
         }
         else
         {
             this.id3v2Asv24tag = new ID3v24Tag(id3v2tag);
         }
     }
 
     /**
      * Set v2 tag ,dont need to set v24 tag because saving
      * <p/>
      * TODO temp its rather messy
      */
     public void setID3v2TagOnly(AbstractID3v2Tag id3v2tag)
     {
         this.id3v2tag = id3v2tag;
         this.id3v2Asv24tag = null;
     }
 
     /**
      * Returns the <code>ID3v2</code> tag for this datatype.
      *
      * @return the <code>ID3v2</code> tag for this datatype
      */
     public AbstractID3v2Tag getID3v2Tag()
     {
         return id3v2tag;
     }
 
     /**
      * @return a representation of tag as v24
      */
     public ID3v24Tag getID3v2TagAsv24()
     {
         return id3v2Asv24tag;
     }
 
     /**
      * Sets the <code>Lyrics3</code> tag for this datatype. A new
      * <code>Lyrics3v2</code> datatype is created from the argument and then
      * used here.
      *
      * @param mp3tag Any MP3Tag datatype can be used and will be converted into a
      *               new Lyrics3v2 datatype.
      */
     /*
     public void setLyrics3Tag(AbstractTag mp3tag)
     {
         lyrics3tag = new Lyrics3v2(mp3tag);
     }
     */
 
     /**
      *
      *
      * @param lyrics3tag
      */
     /*
     public void setLyrics3Tag(AbstractLyrics3 lyrics3tag)
     {
         this.lyrics3tag = lyrics3tag;
     }
     */
 
     /**
      * Returns the <code>ID3v1</code> tag for this datatype.
      *
      * @return the <code>ID3v1</code> tag for this datatype
      */
     /*
     public AbstractLyrics3 getLyrics3Tag()
     {
         return lyrics3tag;
     }
     */
 
     /**
      * Remove tag from file
      *
      * @param mp3tag
      * @throws FileNotFoundException
      * @throws IOException
      */
     public void delete(AbstractTag mp3tag) throws FileNotFoundException, IOException
     {
         mp3tag.delete(new RandomAccessFile(this.file, "rw"));
     }
 
     /**
      * Saves the tags in this datatype to the file referred to by this datatype.
      *
      * @throws IOException  on any I/O error
      * @throws TagException on any exception generated by this library.
      */
     public void save() throws IOException, TagException
     {
         save(this.file);
     }
 
     /**
      * Overriden for comptability with merged code
      *
      * @throws CannotWriteException
      */
     public void commit() throws CannotWriteException
     {
         try
         {
             save();
         }
         catch (IOException ioe)
         {
             throw new CannotWriteException(ioe);
         }
         catch (TagException te)
         {
             throw new CannotWriteException(te);
         }
     }
 
     /**
      * Check can write to file
      *
      * @param file
      * @throws IOException
      */
     public void precheck(File file) throws IOException
     {
         if (!file.exists())
         {
             logger.severe(ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_NOT_FOUND.getMsg(file.getName()));
             throw new IOException(ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_NOT_FOUND.getMsg(file.getName()));
         }
 
         if (!file.canWrite())
         {
             logger.severe(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(file.getName()));
             throw new IOException(ErrorMessage.GENERAL_WRITE_FAILED.getMsg(file.getName()));
         }
 
         if (file.length() <= MINIMUM_FILESIZE)
         {
             logger.severe(ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(file.getName()));
             throw new IOException(ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_IS_TOO_SMALL.getMsg(file.getName()));
         }
     }
 
     /**
      * Saves the tags in this datatype to the file argument. It will be saved as
      * TagConstants.MP3_FILE_SAVE_WRITE
      *
      * @param file file to save the this datatype's tags to
      * @throws FileNotFoundException if unable to find file
      * @throws IOException           on any I/O error
      */
     public void save(File file) throws IOException
     {
         logger.info("Saving  : " + file.getAbsolutePath());
 
         //Checks before starting write
         precheck(file);
 
         RandomAccessFile rfile = null;
         try
         {
             //ID3v2 Tag
             if (TagOptionSingleton.getInstance().isId3v2Save())
             {
                 if (id3v2tag == null)
                 {
                     rfile = new RandomAccessFile(file, "rw");
                     (new ID3v24Tag()).delete(rfile);
                     (new ID3v23Tag()).delete(rfile);
                     (new ID3v22Tag()).delete(rfile);
                     logger.info("Deleting ID3v2 tag:"+file.getName());
                     rfile.close();
                 }
                 else
                 {
                     logger.info("Writing ID3v2 tag:"+file.getName());
                     id3v2tag.write(file, ((MP3AudioHeader) this.getAudioHeader()).getMp3StartByte());
                 }
             }
             rfile = new RandomAccessFile(file, "rw");
 
             //Lyrics 3 Tag
             if (TagOptionSingleton.getInstance().isLyrics3Save())
             {
                 if (lyrics3tag != null)
                 {
                     lyrics3tag.write(rfile);
                 }
             }
             //ID3v1 tag
             if (TagOptionSingleton.getInstance().isId3v1Save())
             {
                 logger.info("Processing ID3v1");
                 if (id3v1tag == null)
                 {
                     logger.info("Deleting ID3v1");
                     (new ID3v1Tag()).delete(rfile);
                 }
                 else
                 {
                     logger.info("Saving ID3v1");
                     id3v1tag.write(rfile);
                 }
             }
         }
         catch (FileNotFoundException ex)
         {
             logger.log(Level.SEVERE, ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE_FILE_NOT_FOUND.getMsg(file.getName()), ex);
             throw ex;
         }
         catch (IOException iex)
         {
             logger.log(Level.SEVERE, ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE.getMsg(file.getName(), iex.getMessage()), iex);
             throw iex;
         }
         catch (RuntimeException re)
         {
             logger.log(Level.SEVERE, ErrorMessage.GENERAL_WRITE_FAILED_BECAUSE.getMsg(file.getName(), re.getMessage()), re);
             throw re;
         }
         finally
         {
             if (rfile != null)
             {
                 rfile.close();
             }
         }
     }
 
     /**
      * Displays MP3File Structure
      */
     public String displayStructureAsXML()
     {
         createXMLStructureFormatter();
         this.tagFormatter.openHeadingElement("file", this.getFile().getAbsolutePath());
         if (this.getID3v1Tag() != null)
         {
             this.getID3v1Tag().createStructure();
         }
         if (this.getID3v2Tag() != null)
         {
             this.getID3v2Tag().createStructure();
         }
         this.tagFormatter.closeHeadingElement("file");
         return tagFormatter.toString();
     }
 
     /**
      * Displays MP3File Structure
      */
     public String displayStructureAsPlainText()
     {
         createPlainTextStructureFormatter();
         this.tagFormatter.openHeadingElement("file", this.getFile().getAbsolutePath());
         if (this.getID3v1Tag() != null)
         {
             this.getID3v1Tag().createStructure();
         }
         if (this.getID3v2Tag() != null)
         {
             this.getID3v2Tag().createStructure();
         }
         this.tagFormatter.closeHeadingElement("file");
         return tagFormatter.toString();
     }
 
     private static void createXMLStructureFormatter()
     {
         tagFormatter = new XMLTagDisplayFormatter();
     }
 
     private static void createPlainTextStructureFormatter()
     {
         tagFormatter = new PlainTextTagDisplayFormatter();
     }
 
     public static AbstractTagDisplayFormatter getStructureFormatter()
     {
         return tagFormatter;
     }
 
     /**
      * Set the Tag
      * <p/>
      * If the parameter tag is a v1tag then the v1 tag is set if v2tag then the v2tag.
      *
      * @param tag
      */
     public void setTag(Tag tag)
     {
         this.tag = tag;
         if (tag instanceof ID3v1Tag)
         {
             setID3v1Tag((ID3v1Tag) tag);
         }
         else
         {
             setID3v2Tag((AbstractID3v2Tag) tag);
         }
     }
 
 
     /** Create Default Tag
      *
      * @return
      */
     @Override
     //TODO Should be able to change the Default
     public Tag createDefaultTag()
     {
         return new ID3v23Tag();
     }
 }
 