/**
* @author : Paul Taylor
* @author : Eric Farng
*
* Version @version:$Id: MP3File.java 976 2011-06-08 10:05:34Z paultaylor $
*
* 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.
* @throws org.jaudiotagger.audio.exceptions.ReadOnlyFileException
* @throws org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
*/
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.
* @throws org.jaudiotagger.audio.exceptions.ReadOnlyFileException
* @throws org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
*/
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.config("No ids3v11 tag found");
}
try
{
if (id3v1tag == null)
{
id3v1tag = new ID3v1Tag(newFile, file.getName());
}
}
catch (TagNotFoundException ex)
{
logger.config("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.config("Attempting to read id3v2tags");
try
{
this.setID3v2Tag(new ID3v24Tag(bb, file.getName()));
}
catch (TagNotFoundException ex)
{
logger.config("No id3v24 tag found");
}
try
{
if (id3v2tag == null)
{
this.setID3v2Tag(new ID3v23Tag(bb, file.getName()));
}
}
catch (TagNotFoundException ex)
{
logger.config("No id3v23 tag found");
}
try
{
if (id3v2tag == null)
{
this.setID3v2Tag(new ID3v22Tag(bb, file.getName()));
}
}
catch (TagNotFoundException ex)
{
logger.config("No id3v22 tag found");
}
}
}
else
{
logger.config("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.config("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.config(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.config((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.config("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 opened 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.
* @throws org.jaudiotagger.audio.exceptions.ReadOnlyFileException
* @throws org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
*/
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.config("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
*
* @param file
* @return the location within the file that the audio starts
* @throws java.io.IOException
* @throws org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
*/
public long getMP3StartByte(File file) throws InvalidAudioFrameException, IOException
{
try
{
//Read ID3v2 tag size (if tag exists) to allow audio header parsing to skip over tag
long startByte = AbstractID3v2Tag.getV2TagSizeIfExists(file);
MP3AudioHeader audioHeader = new MP3AudioHeader(file, startByte);
if (startByte != audioHeader.getMp3StartByte())
{
logger.config("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
* @return
*/
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.
* @throws org.jaudiotagger.audio.exceptions.ReadOnlyFileException
* @throws org.jaudiotagger.audio.exceptions.InvalidAudioFrameException
*/
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.config("setting tagv1:v1 tag");
this.id3v1tag = id3v1tag;
}
public void setID3v1Tag(Tag id3v1tag)
{
logger.config("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.config("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 ,don't need to set v24 tag because saving
* <p/>
* @param id3v2tag
*/
//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
{
RandomAccessFile raf = new RandomAccessFile(this.file, "rws");
mp3tag.delete(raf);
raf.close();
if(mp3tag instanceof ID3v1Tag)
{
id3v1tag=null;
}
if(mp3tag instanceof AbstractID3v2Tag)
{
id3v2tag=null;
}
}
/**
* 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);
}
/**
* Overridden for compatibility 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 fileToSave file to save the this dataTypes tags to
* @throws FileNotFoundException if unable to find file
* @throws IOException on any I/O error
*/
public void save(File fileToSave) throws IOException
{
//Ensure we are dealing with absolute filepqaths not relative ones
File file = fileToSave.getAbsoluteFile();
logger.config("Saving : " + file.getPath());
//Checks before starting write
precheck(file);
RandomAccessFile rfile = null;
try
{
//ID3v2 Tag
if (TagOptionSingleton.getInstance().isId3v2Save())
{
if (id3v2tag == null)
{
rfile = new RandomAccessFile(file, "rws");
(new ID3v24Tag()).delete(rfile);
(new ID3v23Tag()).delete(rfile);
(new ID3v22Tag()).delete(rfile);
logger.config("Deleting ID3v2 tag:"+file.getName());
rfile.close();
}
else
{
logger.config("Writing ID3v2 tag:"+file.getName());
id3v2tag.write(file, ((MP3AudioHeader) this.getAudioHeader()).getMp3StartByte());
}
}
rfile = new RandomAccessFile(file, "rws");
//Lyrics 3 Tag
if (TagOptionSingleton.getInstance().isLyrics3Save())
{
if (lyrics3tag != null)
{
lyrics3tag.write(rfile);
}
}
//ID3v1 tag
if (TagOptionSingleton.getInstance().isId3v1Save())
{
logger.config("Processing ID3v1");
if (id3v1tag == null)
{
logger.config("Deleting ID3v1");
(new ID3v1Tag()).delete(rfile);
}
else
{
logger.config("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();
tagFormatter.openHeadingElement("file", this.getFile().getAbsolutePath());
if (this.getID3v1Tag() != null)
{
this.getID3v1Tag().createStructure();
}
if (this.getID3v2Tag() != null)
{
this.getID3v2Tag().createStructure();
}
tagFormatter.closeHeadingElement("file");
return tagFormatter.toString();
}
/**
* Displays MP3File Structure
*/
public String displayStructureAsPlainText()
{
createPlainTextStructureFormatter();
tagFormatter.openHeadingElement("file", this.getFile().getAbsolutePath());
if (this.getID3v1Tag() != null)
{
this.getID3v1Tag().createStructure();
}
if (this.getID3v2Tag() != null)
{
this.getID3v2Tag().createStructure();
}
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();
}
}
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