/*
* 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 getFields a copy from http://www.opensource.org/licenses/lgpl-license.php or write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jaudiotagger.tag.id3;
import org.jaudiotagger.FileConstants;
import org.jaudiotagger.audio.mp3.MP3File;
import org.jaudiotagger.logging.ErrorMessage;
import org.jaudiotagger.tag.*;
import org.jaudiotagger.tag.images.Artwork;
import org.jaudiotagger.tag.datatype.DataTypes;
import org.jaudiotagger.tag.id3.framebody.*;
import org.jaudiotagger.tag.id3.valuepair.ImageFormats;
import org.jaudiotagger.tag.images.ArtworkFactory;
import org.jaudiotagger.tag.reference.PictureTypes;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.nio.ByteBuffer;
import java.nio.channels.WritableByteChannel;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.logging.Level;
/**
* Represents an ID3v2.2 tag.
*
* @author : Paul Taylor
* @author : Eric Farng
* @version $Id$
*/
public class ID3v22Tag extends AbstractID3v2Tag
{
protected static final String TYPE_COMPRESSION = "compression";
protected static final String TYPE_UNSYNCHRONISATION = "unsyncronisation";
/**
* Bit mask to indicate tag is Unsychronization
*/
public static final int MASK_V22_UNSYNCHRONIZATION = FileConstants.BIT7;
/**
* Bit mask to indicate tag is compressed, although compression is not
* actually defined in v22 so just ignored
*/
public static final int MASK_V22_COMPRESSION = FileConstants.BIT6;
/**
* The tag is compressed, although no compression scheme is defined in ID3v22
*/
protected boolean compression = false;
/**
* If set all frames in the tag uses unsynchronisation
*/
protected boolean unsynchronization = false;
public static final byte RELEASE = 2;
public static final byte MAJOR_VERSION = 2;
public static final byte REVISION = 0;
/**
* Retrieve the Release
*/
public byte getRelease()
{
return RELEASE;
}
/**
* Retrieve the Major Version
*/
public byte getMajorVersion()
{
return MAJOR_VERSION;
}
/**
* Retrieve the Revision
*/
public byte getRevision()
{
return REVISION;
}
/**
* Creates a new empty ID3v2_2 tag.
*/
public ID3v22Tag()
{
frameMap = new LinkedHashMap();
encryptedFrameMap = new LinkedHashMap();
}
/**
* Copy primitives applicable to v2.2
*/
protected void copyPrimitives(AbstractID3v2Tag copyObj)
{
logger.config("Copying primitives");
super.copyPrimitives(copyObj);
//Set the primitive types specific to v2_2.
if (copyObj instanceof ID3v22Tag)
{
ID3v22Tag copyObject = (ID3v22Tag) copyObj;
this.compression = copyObject.compression;
this.unsynchronization = copyObject.unsynchronization;
}
else if (copyObj instanceof ID3v23Tag)
{
ID3v23Tag copyObject = (ID3v23Tag) copyObj;
this.compression = copyObject.compression;
this.unsynchronization = copyObject.unsynchronization;
}
else if (copyObj instanceof ID3v24Tag)
{
ID3v24Tag copyObject = (ID3v24Tag) copyObj;
this.compression = false;
this.unsynchronization = copyObject.unsynchronization;
}
}
/**
* Copy Constructor, creates a new ID3v2_2 Tag based on another ID3v2_2 Tag
* @param copyObject
*/
public ID3v22Tag(ID3v22Tag copyObject)
{
//This doesnt do anything.
super(copyObject);
logger.config("Creating tag from another tag of same type");
copyPrimitives(copyObject);
copyFrames(copyObject);
}
/**
* Constructs a new tag based upon another tag of different version/type
* @param mp3tag
*/
public ID3v22Tag(AbstractTag mp3tag)
{
frameMap = new LinkedHashMap();
encryptedFrameMap = new LinkedHashMap();
logger.config("Creating tag from a tag of a different version");
//Default Superclass constructor does nothing
if (mp3tag != null)
{
ID3v24Tag convertedTag;
//Should use the copy constructor instead
if ((!(mp3tag instanceof ID3v23Tag)) && (mp3tag instanceof ID3v22Tag))
{
throw new UnsupportedOperationException("Copy Constructor not called. Please type cast the argument");
}
//If v2.4 can getFields variables from this
else if (mp3tag instanceof ID3v24Tag)
{
convertedTag = (ID3v24Tag) mp3tag;
}
//Any tag (e.g lyrics3 and idv1.1,idv2.3 can be converted to id32.4 so do that
//to simplify things
else
{
convertedTag = new ID3v24Tag(mp3tag);
}
this.setLoggingFilename(convertedTag.getLoggingFilename());
//Set the primitive types specific to v2_2.
copyPrimitives(convertedTag);
//Set v2.2 Frames
copyFrames(convertedTag);
logger.config("Created tag from a tag of a different version");
}
}
/**
* Creates a new ID3v2_2 datatype.
*
* @param buffer
* @param loggingFilename
* @throws TagException
*/
public ID3v22Tag(ByteBuffer buffer, String loggingFilename) throws TagException
{
setLoggingFilename(loggingFilename);
this.read(buffer);
}
/**
* Creates a new ID3v2_2 datatype.
*
* @param buffer
* @throws TagException
* @deprecated use {@link #ID3v22Tag(ByteBuffer,String)} instead
*/
public ID3v22Tag(ByteBuffer buffer) throws TagException
{
this(buffer, "");
}
/**
* @return an indentifier of the tag type
*/
public String getIdentifier()
{
return "ID3v2_2.20";
}
/**
* Return frame size based upon the sizes of the frames rather than the size
* including padding recorded in the tag header
*
* @return size
*/
public int getSize()
{
int size = TAG_HEADER_LENGTH;
size += super.getSize();
return size;
}
/**
* @param obj
* @return equality
*/
public boolean equals(Object obj)
{
if (!(obj instanceof ID3v22Tag))
{
return false;
}
ID3v22Tag object = (ID3v22Tag) obj;
if (this.compression != object.compression)
{
return false;
}
return this.unsynchronization == object.unsynchronization && super.equals(obj);
}
protected void addFrame(AbstractID3v2Frame frame)
{
try
{
//Special case to handle TDRC frame from V24 that needs breaking up into separate frame in V23
if ((frame.getIdentifier().equals(ID3v24Frames.FRAME_ID_YEAR)) && (frame.getBody() instanceof FrameBodyTDRC))
{
translateFrame(frame);
}
else if (frame instanceof ID3v22Frame)
{
copyFrameIntoMap(frame.getIdentifier(),frame);
}
else
{
ID3v22Frame newFrame = new ID3v22Frame(frame);
copyFrameIntoMap(newFrame.getIdentifier(), newFrame);
}
}
catch (InvalidFrameException ife)
{
logger.log(Level.SEVERE, "Unable to convert frame:" + frame.getIdentifier());
}
}
/**
* Read tag Header Flags
*
* @param byteBuffer
* @throws TagException
*/
private void readHeaderFlags(ByteBuffer byteBuffer) throws TagException
{
//Flags
byte flags = byteBuffer.get();
unsynchronization = (flags & MASK_V22_UNSYNCHRONIZATION) != 0;
compression = (flags & MASK_V22_COMPRESSION) != 0;
if (unsynchronization)
{
logger.config(ErrorMessage.ID3_TAG_UNSYNCHRONIZED.getMsg(getLoggingFilename()));
}
if (compression)
{
logger.config(ErrorMessage.ID3_TAG_COMPRESSED.getMsg(getLoggingFilename()));
}
//Not allowable/Unknown Flags
if ((flags & FileConstants.BIT5) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT5));
}
if ((flags & FileConstants.BIT4) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT4));
}
if ((flags & FileConstants.BIT3) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT3));
}
if ((flags & FileConstants.BIT2) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT2));
}
if ((flags & FileConstants.BIT1) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT1));
}
if ((flags & FileConstants.BIT0) != 0)
{
logger.warning(ErrorMessage.ID3_INVALID_OR_UNKNOWN_FLAG_SET.getMsg(getLoggingFilename(), FileConstants.BIT3));
}
}
/**
* {@inheritDoc}
*/
@Override
public void read(ByteBuffer byteBuffer) throws TagException
{
int size;
if (!seek(byteBuffer))
{
throw new TagNotFoundException("ID3v2.20 tag not found");
}
logger.config(getLoggingFilename() + ":" + "Reading tag from file");
//Read the flags
readHeaderFlags(byteBuffer);
// Read the size
size = ID3SyncSafeInteger.bufferToValue(byteBuffer);
//Slice Buffer, so position markers tally with size (i.e do not include tagheader)
ByteBuffer bufferWithoutHeader = byteBuffer.slice();
//We need to synchronize the buffer
if (unsynchronization)
{
bufferWithoutHeader = ID3Unsynchronization.synchronize(bufferWithoutHeader);
}
readFrames(bufferWithoutHeader, size);
logger.config(getLoggingFilename() + ":" + "Loaded Frames,there are:" + frameMap.keySet().size());
}
/**
* Read frames from tag
* @param byteBuffer
* @param size
*/
protected void readFrames(ByteBuffer byteBuffer, int size)
{
//Now start looking for frames
ID3v22Frame next;
frameMap = new LinkedHashMap();
encryptedFrameMap = new LinkedHashMap();
//Read the size from the Tag Header
this.fileReadSize = size;
logger.finest(getLoggingFilename() + ":" + "Start of frame body at:" + byteBuffer.position() + ",frames sizes and padding is:" + size);
/* todo not done yet. Read the first Frame, there seems to be quite a
** common case of extra data being between the tag header and the first
** frame so should we allow for this when reading first frame, but not subsequent frames
*/
// Read the frames until got to upto the size as specified in header
while (byteBuffer.position() < size)
{
try
{
//Read Frame
logger.finest(getLoggingFilename() + ":" + "looking for next frame at:" + byteBuffer.position());
next = new ID3v22Frame(byteBuffer, getLoggingFilename());
String id = next.getIdentifier();
loadFrameIntoMap(id, next);
}
//Found Padding, no more frames
catch (PaddingException ex)
{
logger.config(getLoggingFilename() + ":Found padding starting at:" + byteBuffer.position());
break;
}
//Found Empty Frame
catch (EmptyFrameException ex)
{
logger.warning(getLoggingFilename() + ":" + "Empty Frame:" + ex.getMessage());
this.emptyFrameBytes += ID3v22Frame.FRAME_HEADER_SIZE;
}
catch (InvalidFrameIdentifierException ifie)
{
logger.config(getLoggingFilename() + ":" + "Invalid Frame Identifier:" + ifie.getMessage());
this.invalidFrames++;
//Dont try and find any more frames
break;
}
//Problem trying to find frame
catch (InvalidFrameException ife)
{
logger.warning(getLoggingFilename() + ":" + "Invalid Frame:" + ife.getMessage());
this.invalidFrames++;
//Dont try and find any more frames
break;
}
//Failed reading frame but may just have invalid data but correct length so lets carry on
//in case we can read the next frame
catch(InvalidDataTypeException idete)
{
logger.warning(getLoggingFilename() + ":Corrupt Frame:" + idete.getMessage());
this.invalidFrames++;
continue;
}
}
}
/**
* This is used when we need to translate a single frame into multiple frames,
* currently required for TDRC frames.
* @param frame
*/
//TODO will overwrite any existing TYER or TIME frame, do we ever want multiples of these
protected void translateFrame(AbstractID3v2Frame frame)
{
FrameBodyTDRC tmpBody = (FrameBodyTDRC) frame.getBody();
ID3v22Frame newFrame;
if (tmpBody.getYear().length() != 0)
{
//Create Year frame (v2.2 id,but uses v2.3 body)
newFrame = new ID3v22Frame(ID3v22Frames.FRAME_ID_V2_TYER);
((AbstractFrameBodyTextInfo) newFrame.getBody()).setText(tmpBody.getYear());
frameMap.put(newFrame.getIdentifier(), newFrame);
}
if (tmpBody.getTime().length() != 0)
{
//Create Time frame (v2.2 id,but uses v2.3 body)
newFrame = new ID3v22Frame(ID3v22Frames.FRAME_ID_V2_TIME);
((AbstractFrameBodyTextInfo) newFrame.getBody()).setText(tmpBody.getTime());
frameMap.put(newFrame.getIdentifier(), newFrame);
}
}
/**
* Write the ID3 header to the ByteBuffer.
*
*
* @param padding
* @param size
* @return ByteBuffer
* @throws IOException
*/
private ByteBuffer writeHeaderToBuffer(int padding, int size) throws IOException
{
compression = false;
//Create Header Buffer
ByteBuffer headerBuffer = ByteBuffer.allocate(TAG_HEADER_LENGTH);
//TAGID
headerBuffer.put(TAG_ID);
//Major Version
headerBuffer.put(getMajorVersion());
//Minor Version
headerBuffer.put(getRevision());
//Flags
byte flags = (byte) 0;
if (unsynchronization)
{
flags |= (byte) MASK_V22_UNSYNCHRONIZATION;
}
if (compression)
{
flags |= (byte) MASK_V22_COMPRESSION;
}
headerBuffer.put(flags);
//Size As Recorded in Header, don'timer include the main header length
headerBuffer.put(ID3SyncSafeInteger.valueToBuffer(padding + size));
headerBuffer.flip();
return headerBuffer;
}
/**
* {@inheritDoc}
*/
@Override
public long write(File file, long audioStartLocation) throws IOException
{
setLoggingFilename(file.getName());
logger.config("Writing tag to file:"+getLoggingFilename());
// Write Body Buffer
byte[] bodyByteBuffer = writeFramesToBuffer().toByteArray();
// Unsynchronize if option enabled and unsync required
unsynchronization = TagOptionSingleton.getInstance().isUnsyncTags() && ID3Unsynchronization.requiresUnsynchronization(bodyByteBuffer);
if (isUnsynchronization())
{
bodyByteBuffer = ID3Unsynchronization.unsynchronize(bodyByteBuffer);
logger.config(getLoggingFilename() + ":bodybytebuffer:sizeafterunsynchronisation:" + bodyByteBuffer.length);
}
int sizeIncPadding = calculateTagSize(bodyByteBuffer.length + TAG_HEADER_LENGTH, (int) audioStartLocation);
int padding = sizeIncPadding - (bodyByteBuffer.length + TAG_HEADER_LENGTH);
logger.config(getLoggingFilename() + ":Current audiostart:" + audioStartLocation);
logger.config(getLoggingFilename() + ":Size including padding:" + sizeIncPadding);
logger.config(getLoggingFilename() + ":Padding:" + padding);
ByteBuffer headerBuffer = writeHeaderToBuffer(padding, bodyByteBuffer.length);
writeBufferToFile(file,headerBuffer, bodyByteBuffer,padding,sizeIncPadding,audioStartLocation);
return sizeIncPadding;
}
/**
* {@inheritDoc}
*/
@Override
public void write(WritableByteChannel channel) throws IOException
{
logger.config(getLoggingFilename() + ":Writing tag to channel");
byte[] bodyByteBuffer = writeFramesToBuffer().toByteArray();
logger.config(getLoggingFilename() + ":bodybytebuffer:sizebeforeunsynchronisation:" + bodyByteBuffer.length);
//Unsynchronize if option enabled and unsync required
unsynchronization = TagOptionSingleton.getInstance().isUnsyncTags() && ID3Unsynchronization.requiresUnsynchronization(bodyByteBuffer);
if (isUnsynchronization())
{
bodyByteBuffer = ID3Unsynchronization.unsynchronize(bodyByteBuffer);
logger.config(getLoggingFilename() + ":bodybytebuffer:sizeafterunsynchronisation:" + bodyByteBuffer.length);
}
ByteBuffer headerBuffer = writeHeaderToBuffer(0, bodyByteBuffer.length);
channel.write(headerBuffer);
channel.write(ByteBuffer.wrap(bodyByteBuffer));
}
public void createStructure()
{
MP3File.getStructureFormatter().openHeadingElement(TYPE_TAG, getIdentifier());
super.createStructureHeader();
//Header
MP3File.getStructureFormatter().openHeadingElement(TYPE_HEADER, "");
MP3File.getStructureFormatter().addElement(TYPE_COMPRESSION, this.compression);
MP3File.getStructureFormatter().addElement(TYPE_UNSYNCHRONISATION, this.unsynchronization);
MP3File.getStructureFormatter().closeHeadingElement(TYPE_HEADER);
//Body
super.createStructureBody();
MP3File.getStructureFormatter().closeHeadingElement(TYPE_TAG);
}
/**
* @return is tag unsynchronized
*/
public boolean isUnsynchronization()
{
return unsynchronization;
}
/**
* @return is tag compressed
*/
public boolean isCompression()
{
return compression;
}
/**
* Create Frame
*
* @param id frameid
* @return
*/
public ID3v22Frame createFrame(String id)
{
return new ID3v22Frame(id);
}
/**
* Create Frame for Id3 Key
*
* Only textual data supported at the moment, should only be used with frames that
* support a simple string argument.
*
* @param id3Key
* @param value
* @return
* @throws KeyNotFoundException
* @throws FieldDataInvalidException
*/
public TagField createField(ID3v22FieldKey id3Key, String value) throws KeyNotFoundException, FieldDataInvalidException
{
if (id3Key == null)
{
throw new KeyNotFoundException();
}
return super.doCreateTagField(new FrameAndSubId(id3Key.getFrameId(), id3Key.getSubId()), value);
}
public TagField createField(FieldKey genericKey, String value) throws KeyNotFoundException, FieldDataInvalidException
{
if (genericKey == null)
{
throw new KeyNotFoundException();
}
if (genericKey == FieldKey.GENRE)
{
if (value == null)
{
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
FrameAndSubId formatKey = getFrameAndSubIdFromGenericKey(genericKey);
AbstractID3v2Frame frame = createFrame(formatKey.getFrameId());
FrameBodyTCON framebody = (FrameBodyTCON) frame.getBody();
framebody.setV23Format();
framebody.setText(FrameBodyTCON.convertGenericToID3v22Genre(value));
return frame;
}
else
{
return super.createField(genericKey, value);
}
}
/**
* Retrieve the first value that exists for this id3v22key
*
* @param id3v22FieldKey
* @return
* @throws org.jaudiotagger.tag.KeyNotFoundException
*/
public String getFirst(ID3v22FieldKey id3v22FieldKey) throws KeyNotFoundException
{
if (id3v22FieldKey == null)
{
throw new KeyNotFoundException();
}
FieldKey genericKey = ID3v22Frames.getInstanceOf().getGenericKeyFromId3(id3v22FieldKey);
if(genericKey!=null)
{
return super.getFirst(genericKey);
}
else
{
FrameAndSubId frameAndSubId = new FrameAndSubId(id3v22FieldKey.getFrameId(), id3v22FieldKey.getSubId());
return super.doGetValueAtIndex(frameAndSubId, 0);
}
}
/**
* Delete fields with this id3v22FieldKey
*
* @param id3v22FieldKey
* @throws org.jaudiotagger.tag.KeyNotFoundException
*/
public void deleteField(ID3v22FieldKey id3v22FieldKey) throws KeyNotFoundException
{
if (id3v22FieldKey == null)
{
throw new KeyNotFoundException();
}
super.doDeleteTagField(new FrameAndSubId(id3v22FieldKey.getFrameId(), id3v22FieldKey.getSubId()));
}
/**
* Delete fields with this (frame) id
* @param id
*/
public void deleteField(String id)
{
super.doDeleteTagField(new FrameAndSubId(id,null));
}
protected FrameAndSubId getFrameAndSubIdFromGenericKey(FieldKey genericKey)
{
if (genericKey == null)
{
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
ID3v22FieldKey id3v22FieldKey = ID3v22Frames.getInstanceOf().getId3KeyFromGenericKey(genericKey);
if (id3v22FieldKey == null)
{
throw new KeyNotFoundException(genericKey.name());
}
return new FrameAndSubId(id3v22FieldKey.getFrameId(), id3v22FieldKey.getSubId());
}
protected ID3Frames getID3Frames()
{
return ID3v22Frames.getInstanceOf();
}
/**
*
* @return comparator used to order frames in preffrred order for writing to file
* so that most important frames are written first.
*/
public Comparator getPreferredFrameOrderComparator()
{
return ID3v22PreferredFrameOrderComparator.getInstanceof();
}
/**
* {@inheritDoc}
*/
public List<Artwork> getArtworkList()
{
List<TagField> coverartList = getFields(FieldKey.COVER_ART);
List<Artwork> artworkList = new ArrayList<Artwork>(coverartList.size());
for (TagField next : coverartList)
{
FrameBodyPIC coverArt = (FrameBodyPIC) ((AbstractID3v2Frame) next).getBody();
Artwork artwork = ArtworkFactory.getNew();
artwork.setMimeType(ImageFormats.getMimeTypeForFormat(coverArt.getFormatType()));
artwork.setPictureType(coverArt.getPictureType());
if (coverArt.isImageUrl())
{
artwork.setLinked(true);
artwork.setImageUrl(coverArt.getImageUrl());
}
else
{
artwork.setBinaryData(coverArt.getImageData());
}
artworkList.add(artwork);
}
return artworkList;
}
/**
* {@inheritDoc}
*/
public TagField createField(Artwork artwork) throws FieldDataInvalidException
{
AbstractID3v2Frame frame = createFrame(getFrameAndSubIdFromGenericKey(FieldKey.COVER_ART).getFrameId());
FrameBodyPIC body = (FrameBodyPIC) frame.getBody();
if(!artwork.isLinked())
{
body.setObjectValue(DataTypes.OBJ_PICTURE_DATA, artwork.getBinaryData());
body.setObjectValue(DataTypes.OBJ_PICTURE_TYPE, artwork.getPictureType());
body.setObjectValue(DataTypes.OBJ_IMAGE_FORMAT, ImageFormats.getFormatForMimeType(artwork.getMimeType()));
body.setObjectValue(DataTypes.OBJ_DESCRIPTION, "");
return frame;
}
else
{
try
{
body.setObjectValue(DataTypes.OBJ_PICTURE_DATA,artwork.getImageUrl().getBytes("ISO-8859-1"));
}
catch(UnsupportedEncodingException uoe)
{
throw new RuntimeException(uoe.getMessage());
}
body.setObjectValue(DataTypes.OBJ_PICTURE_TYPE, artwork.getPictureType());
body.setObjectValue(DataTypes.OBJ_IMAGE_FORMAT, FrameBodyAPIC.IMAGE_IS_URL);
body.setObjectValue(DataTypes.OBJ_DESCRIPTION, "");
return frame;
}
}
public TagField createArtworkField(byte[] data, String mimeType)
{
AbstractID3v2Frame frame = createFrame(getFrameAndSubIdFromGenericKey(FieldKey.COVER_ART).getFrameId());
FrameBodyPIC body = (FrameBodyPIC) frame.getBody();
body.setObjectValue(DataTypes.OBJ_PICTURE_DATA, data);
body.setObjectValue(DataTypes.OBJ_PICTURE_TYPE, PictureTypes.DEFAULT_ID);
body.setObjectValue(DataTypes.OBJ_IMAGE_FORMAT, ImageFormats.getFormatForMimeType(mimeType));
body.setObjectValue(DataTypes.OBJ_DESCRIPTION, "");
return frame;
}
/**
* Maps the generic key to the id3 key and return the list of values for this field as strings
*
* @param genericKey
* @return
* @throws KeyNotFoundException
*/
public List<String> getAll(FieldKey genericKey) throws KeyNotFoundException
{
if(genericKey == FieldKey.GENRE)
{
List<TagField> fields = getFields(genericKey);
List<String> convertedGenres = new ArrayList<String>();
if (fields != null && fields.size() > 0)
{
AbstractID3v2Frame frame = (AbstractID3v2Frame) fields.get(0);
FrameBodyTCON body = (FrameBodyTCON)frame.getBody();
for(String next:body.getValues())
{
convertedGenres.add(FrameBodyTCON.convertID3v22GenreToGeneric(next));
}
}
return convertedGenres;
}
else
{
return super.getAll(genericKey);
}
}
@Override
public String getValue(FieldKey genericKey, int index) throws KeyNotFoundException
{
if (genericKey == null)
{
throw new KeyNotFoundException();
}
if(genericKey == FieldKey.GENRE)
{
List<TagField> fields = getFields(genericKey);
if (fields != null && fields.size() > 0)
{
AbstractID3v2Frame frame = (AbstractID3v2Frame) fields.get(0);
FrameBodyTCON body = (FrameBodyTCON)frame.getBody();
return FrameBodyTCON.convertID3v22GenreToGeneric(body.getValues().get(index));
}
return "";
}
else
{
return super.getValue(genericKey, index);
}
}
protected void loadFrameIntoMap(String frameId, AbstractID3v2Frame next)
{
if (next.getBody() instanceof FrameBodyTCON)
{
((FrameBodyTCON)next.getBody()).setV23Format();
}
super.loadFrameIntoMap(frameId, next);
}
}