/*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.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.nio.charset.Charset;
import java.util.ArrayList;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.logging.Level;
/**
* Represents an ID3v2.3 tag.
*
* @author : Paul Taylor
* @author : Eric Farng
* @version $Id: ID3v23Tag.java 976 2011-06-08 10:05:34Z paultaylor $
*/
public class ID3v23Tag extends AbstractID3v2Tag
{
protected static final String TYPE_CRCDATA = "crcdata";
protected static final String TYPE_EXPERIMENTAL = "experimental";
protected static final String TYPE_EXTENDED = "extended";
protected static final String TYPE_PADDINGSIZE = "paddingsize";
protected static final String TYPE_UNSYNCHRONISATION = "unsyncronisation";
protected static int TAG_EXT_HEADER_LENGTH = 10;
protected static int TAG_EXT_HEADER_CRC_LENGTH = 4;
protected static int FIELD_TAG_EXT_SIZE_LENGTH = 4;
protected static int TAG_EXT_HEADER_DATA_LENGTH = TAG_EXT_HEADER_LENGTH - FIELD_TAG_EXT_SIZE_LENGTH;
/**
* ID3v2.3 Header bit mask
*/
public static final int MASK_V23_UNSYNCHRONIZATION = FileConstants.BIT7;
/**
* ID3v2.3 Header bit mask
*/
public static final int MASK_V23_EXTENDED_HEADER = FileConstants.BIT6;
/**
* ID3v2.3 Header bit mask
*/
public static final int MASK_V23_EXPERIMENTAL = FileConstants.BIT5;
/**
* ID3v2.3 Extended Header bit mask
*/
public static final int MASK_V23_CRC_DATA_PRESENT = FileConstants.BIT7;
/**
* ID3v2.3 RBUF frame bit mask
*/
public static final int MASK_V23_EMBEDDED_INFO_FLAG = FileConstants.BIT1;
/**
* CRC Checksum calculated
*/
protected boolean crcDataFlag = false;
/**
* Experiemntal tag
*/
protected boolean experimental = false;
/**
* Contains extended header
*/
protected boolean extended = false;
/**
* Crcdata Checksum in extended header
*/
private int crc32;
/**
* Tag padding
*/
private int paddingSize = 0;
/**
* All frames in the tag uses unsynchronisation
*/
protected boolean unsynchronization = false;
/**
* The tag is compressed
*/
protected boolean compression = false;
public static final byte RELEASE = 2;
public static final byte MAJOR_VERSION = 3;
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;
}
/**
* @return Cyclic Redundancy Check 32 Value
*/
public int getCrc32()
{
return crc32;
}
/**
* Creates a new empty ID3v2_3 datatype.
*/
public ID3v23Tag()
{
frameMap = new LinkedHashMap();
encryptedFrameMap = new LinkedHashMap();
}
/**
* Copy primitives applicable to v2.3
*/
protected void copyPrimitives(AbstractID3v2Tag copyObj)
{
logger.config("Copying primitives");
super.copyPrimitives(copyObj);
if (copyObj instanceof ID3v23Tag)
{
ID3v23Tag copyObject = (ID3v23Tag) copyObj;
this.crcDataFlag = copyObject.crcDataFlag;
this.experimental = copyObject.experimental;
this.extended = copyObject.extended;
this.crc32 = copyObject.crc32;
this.paddingSize = copyObject.paddingSize;
}
}
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 ID3v23Frame)
{
copyFrameIntoMap(frame.getIdentifier(),frame);
}
else
{
ID3v23Frame newFrame = new ID3v23Frame(frame);
copyFrameIntoMap(newFrame.getIdentifier(), newFrame);
}
}
catch (InvalidFrameException ife)
{
logger.log(Level.SEVERE, "Unable to convert frame:" + frame.getIdentifier());
}
}
/**
* This is used when we need to translate a single frame into multiple frames,
* currently required for v24 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();
ID3v23Frame newFrame;
if (!tmpBody.getYear().equals(""))
{
newFrame = new ID3v23Frame(ID3v23Frames.FRAME_ID_V3_TYER);
((FrameBodyTYER) newFrame.getBody()).setText(tmpBody.getYear());
logger.config("Adding Frame:" + newFrame.getIdentifier());
frameMap.put(newFrame.getIdentifier(), newFrame);
}
if (!tmpBody.getDate().equals(""))
{
newFrame = new ID3v23Frame(ID3v23Frames.FRAME_ID_V3_TDAT);
((FrameBodyTDAT) newFrame.getBody()).setText(tmpBody.getDate());
((FrameBodyTDAT) newFrame.getBody()).setMonthOnly(tmpBody.isMonthOnly());
logger.config("Adding Frame:" + newFrame.getIdentifier());
frameMap.put(newFrame.getIdentifier(), newFrame);
}
if (!tmpBody.getTime().equals(""))
{
newFrame = new ID3v23Frame(ID3v23Frames.FRAME_ID_V3_TIME);
((FrameBodyTIME) newFrame.getBody()).setText(tmpBody.getTime());
((FrameBodyTIME) newFrame.getBody()).setHoursOnly(tmpBody.isHoursOnly());
logger.config("Adding Frame:" + newFrame.getIdentifier());
frameMap.put(newFrame.getIdentifier(), newFrame);
}
}
/**
* Copy Constructor, creates a new ID3v2_3 Tag based on another ID3v2_3 Tag
* @param copyObject
*/
public ID3v23Tag(ID3v23Tag copyObject)
{
//This doesn't 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 ID3v23Tag(AbstractTag mp3tag)
{
logger.config("Creating tag from a tag of a different version");
frameMap = new LinkedHashMap();
encryptedFrameMap = new LinkedHashMap();
if (mp3tag != null)
{
ID3v24Tag convertedTag;
//Should use simpler copy constructor
if (mp3tag instanceof ID3v23Tag)
{
throw new UnsupportedOperationException("Copy Constructor not called. Please type cast the argument");
}
if (mp3tag instanceof ID3v24Tag)
{
convertedTag = (ID3v24Tag) mp3tag;
}
//All tags types can be converted to v2.4 so do this to simplify things
else
{
convertedTag = new ID3v24Tag(mp3tag);
}
this.setLoggingFilename(convertedTag.getLoggingFilename());
//Copy Primitives
copyPrimitives(convertedTag);
//Copy Frames
copyFrames(convertedTag);
logger.config("Created tag from a tag of a different version");
}
}
/**
* Creates a new ID3v2_3 datatype.
*
* @param buffer
* @param loggingFilename
* @throws TagException
*/
public ID3v23Tag(ByteBuffer buffer, String loggingFilename) throws TagException
{
setLoggingFilename(loggingFilename);
this.read(buffer);
}
/**
* Creates a new ID3v2_3 datatype.
*
* @param buffer
* @throws TagException
* @deprecated use {@link #ID3v23Tag(ByteBuffer,String)} instead
*/
public ID3v23Tag(ByteBuffer buffer) throws TagException
{
this(buffer, "");
}
/**
* @return textual tag identifier
*/
public String getIdentifier()
{
return "ID3v2.30";
}
/**
* Return frame size based upon the sizes of the tags rather than the physical
* no of bytes between start of ID3Tag and start of Audio Data.
* <p/>
* TODO this is incorrect, because of subclasses
*
* @return size of tag
*/
public int getSize()
{
int size = TAG_HEADER_LENGTH;
if (extended)
{
size += TAG_EXT_HEADER_LENGTH;
if (crcDataFlag)
{
size += TAG_EXT_HEADER_CRC_LENGTH;
}
}
size += super.getSize();
return size;
}
/**
* Is Tag Equivalent to another tag
*
* @param obj
* @return true if tag is equivalent to another
*/
public boolean equals(Object obj)
{
if (!(obj instanceof ID3v23Tag))
{
return false;
}
ID3v23Tag object = (ID3v23Tag) obj;
if (this.crc32 != object.crc32)
{
return false;
}
if (this.crcDataFlag != object.crcDataFlag)
{
return false;
}
if (this.experimental != object.experimental)
{
return false;
}
if (this.extended != object.extended)
{
return false;
}
return this.paddingSize == object.paddingSize && super.equals(obj);
}
/**
* Read header flags
*
* <p>Log info messages for flags that have been set and log warnings when bits have been set for unknown flags</p>
* @param buffer
* @throws TagException
*/
private void readHeaderFlags(ByteBuffer buffer) throws TagException
{
//Allowable Flags
byte flags = buffer.get();
unsynchronization = (flags & MASK_V23_UNSYNCHRONIZATION) != 0;
extended = (flags & MASK_V23_EXTENDED_HEADER) != 0;
experimental = (flags & MASK_V23_EXPERIMENTAL) != 0;
//Not allowable/Unknown Flags
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.BIT0));
}
if (isUnsynchronization())
{
logger.config(ErrorMessage.ID3_TAG_UNSYNCHRONIZED.getMsg(getLoggingFilename()));
}
if (extended)
{
logger.config(ErrorMessage.ID3_TAG_EXTENDED.getMsg(getLoggingFilename()));
}
if (experimental)
{
logger.config(ErrorMessage.ID3_TAG_EXPERIMENTAL.getMsg(getLoggingFilename()));
}
}
/**
* Read the optional extended header
*
* @param buffer
* @param size
*/
private void readExtendedHeader(ByteBuffer buffer, int size)
{
// Int is 4 bytes.
int extendedHeaderSize = buffer.getInt();
// Extended header without CRC Data
if (extendedHeaderSize == TAG_EXT_HEADER_DATA_LENGTH)
{
//Flag should not be setField , if is log a warning
byte extFlag = buffer.get();
crcDataFlag = (extFlag & MASK_V23_CRC_DATA_PRESENT) != 0;
if (crcDataFlag)
{
logger.warning(ErrorMessage.ID3_TAG_CRC_FLAG_SET_INCORRECTLY.getMsg(getLoggingFilename()));
}
//2nd Flag Byte (not used)
buffer.get();
//Take padding and ext header size off the size to be read
paddingSize=buffer.getInt();
if(paddingSize>0)
{
logger.config(ErrorMessage.ID3_TAG_PADDING_SIZE.getMsg(getLoggingFilename(),paddingSize));
}
size = size - ( paddingSize + TAG_EXT_HEADER_LENGTH);
}
else if (extendedHeaderSize == TAG_EXT_HEADER_DATA_LENGTH + TAG_EXT_HEADER_CRC_LENGTH)
{
logger.config(ErrorMessage.ID3_TAG_CRC.getMsg(getLoggingFilename()));
//Flag should be setField, if nor just act as if it is
byte extFlag = buffer.get();
crcDataFlag = (extFlag & MASK_V23_CRC_DATA_PRESENT) != 0;
if (!crcDataFlag)
{
logger.warning(ErrorMessage.ID3_TAG_CRC_FLAG_SET_INCORRECTLY.getMsg(getLoggingFilename()));
}
//2nd Flag Byte (not used)
buffer.get();
//Take padding size of size to be read
paddingSize = buffer.getInt();
if(paddingSize>0)
{
logger.config(ErrorMessage.ID3_TAG_PADDING_SIZE.getMsg(getLoggingFilename(),paddingSize));
}
size = size - (paddingSize + TAG_EXT_HEADER_LENGTH + TAG_EXT_HEADER_CRC_LENGTH);
//CRC Data
crc32 = buffer.getInt();
logger.config(ErrorMessage.ID3_TAG_CRC_SIZE.getMsg(getLoggingFilename(),crc32));
}
//Extended header size is only allowed to be six or ten bytes so this is invalid but instead
//of giving up lets guess its six bytes and carry on and see if we can read file ok
else
{
logger.warning(ErrorMessage.ID3_EXTENDED_HEADER_SIZE_INVALID.getMsg(getLoggingFilename(), extendedHeaderSize));
buffer.position(buffer.position() - FIELD_TAG_EXT_SIZE_LENGTH);
}
}
/**
* {@inheritDoc}
*/
@Override
public void read(ByteBuffer buffer) throws TagException
{
int size;
if (!seek(buffer))
{
throw new TagNotFoundException(getIdentifier() + " tag not found");
}
logger.config(getLoggingFilename() + ":" + "Reading ID3v23 tag");
readHeaderFlags(buffer);
// Read the size, this is size of tag not including the tag header
size = ID3SyncSafeInteger.bufferToValue(buffer);
logger.config(ErrorMessage.ID_TAG_SIZE.getMsg(getLoggingFilename(),size));
//Extended Header
if (extended)
{
readExtendedHeader(buffer, size);
}
//Slice Buffer, so position markers tally with size (i.e do not include tagHeader)
ByteBuffer bufferWithoutHeader = buffer.slice();
//We need to synchronize the buffer
if (isUnsynchronization())
{
bufferWithoutHeader = ID3Unsynchronization.synchronize(bufferWithoutHeader);
}
readFrames(bufferWithoutHeader, size);
logger.config(getLoggingFilename() + ":Loaded Frames,there are:" + frameMap.keySet().size());
}
/**
* Read the frames
* <p/>
* Read from byteBuffer upto size
*
* @param byteBuffer
* @param size
*/
protected void readFrames(ByteBuffer byteBuffer, int size)
{
//Now start looking for frames
ID3v23Frame 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 data size is:" + size);
// Read the frames until got to up to the size as specified in header or until
// we hit an invalid frame identifier or padding
while (byteBuffer.position() < size)
{
String id;
try
{
//Read Frame
logger.finest(getLoggingFilename() + ":Looking for next frame at:" + byteBuffer.position());
next = new ID3v23Frame(byteBuffer, getLoggingFilename());
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, log it - empty frames should not exist
catch (EmptyFrameException ex)
{
logger.warning(getLoggingFilename() + ":Empty Frame:" + ex.getMessage());
this.emptyFrameBytes += ID3v23Frame.FRAME_HEADER_SIZE;
}
catch (InvalidFrameIdentifierException ifie)
{
logger.warning(getLoggingFilename() + ":Invalid Frame Identifier:" + ifie.getMessage());
this.invalidFrames++;
//Don't try and find any more frames
break;
}
//Problem trying to find frame, often just occurs because frameHeader includes padding
//and we have reached padding
catch (InvalidFrameException ife)
{
logger.warning(getLoggingFilename() + ":Invalid Frame:" + ife.getMessage());
this.invalidFrames++;
//Don't 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;
}
}
}
/**
* Write the ID3 header to the ByteBuffer.
* <p/>
* TODO Calculate the CYC Data Check
* TODO Reintroduce Extended Header
*
* @param padding is the size of the padding portion of the tag
* @param size is the size of the body data
* @return ByteBuffer
* @throws IOException
*/
private ByteBuffer writeHeaderToBuffer(int padding, int size) throws IOException
{
// Flags,currently we never calculate the CRC
// and if we dont calculate them cant keep orig values. Tags are not
// experimental and we never createField extended header to keep things simple.
extended = false;
experimental = false;
crcDataFlag = false;
// Create Header Buffer,allocate maximum possible size for the header
ByteBuffer headerBuffer = ByteBuffer.
allocate(TAG_HEADER_LENGTH + TAG_EXT_HEADER_LENGTH + TAG_EXT_HEADER_CRC_LENGTH);
//TAGID
headerBuffer.put(TAG_ID);
//Major Version
headerBuffer.put(getMajorVersion());
//Minor Version
headerBuffer.put(getRevision());
//Flags
byte flagsByte = 0;
if (isUnsynchronization())
{
flagsByte |= MASK_V23_UNSYNCHRONIZATION;
}
if (extended)
{
flagsByte |= MASK_V23_EXTENDED_HEADER;
}
if (experimental)
{
flagsByte |= MASK_V23_EXPERIMENTAL;
}
headerBuffer.put(flagsByte);
//Additional Header Size,(for completeness we never actually write the extended header)
int additionalHeaderSize = 0;
if (extended)
{
additionalHeaderSize += TAG_EXT_HEADER_LENGTH;
if (crcDataFlag)
{
additionalHeaderSize += TAG_EXT_HEADER_CRC_LENGTH;
}
}
//Size As Recorded in Header, don't include the main header length
headerBuffer.put(ID3SyncSafeInteger.valueToBuffer(padding + size + additionalHeaderSize));
//Write Extended Header
if (extended)
{
byte extFlagsByte1 = 0;
byte extFlagsByte2 = 0;
//Contains CRCData
if (crcDataFlag)
{
headerBuffer.putInt(TAG_EXT_HEADER_DATA_LENGTH + TAG_EXT_HEADER_CRC_LENGTH);
extFlagsByte1 |= MASK_V23_CRC_DATA_PRESENT;
headerBuffer.put(extFlagsByte1);
headerBuffer.put(extFlagsByte2);
headerBuffer.putInt(paddingSize);
headerBuffer.putInt(crc32);
}
//Just extended Header
else
{
headerBuffer.putInt(TAG_EXT_HEADER_DATA_LENGTH);
headerBuffer.put(extFlagsByte1);
headerBuffer.put(extFlagsByte2);
//Newly Calculated Padding As Recorded in Extended Header
headerBuffer.putInt(padding);
}
}
headerBuffer.flip();
return headerBuffer;
}
/**
* Write tag to file
* <p/>
* TODO:we currently never write the Extended header , but if we did the size calculation in this
* method would be slightly incorrect
*
* @param file The file to write to
* @throws IOException
*/
public void write(File file, long audioStartLocation) throws IOException
{
setLoggingFilename(file.getName());
logger.config("Writing tag to file:"+getLoggingFilename());
//Write Body Buffer
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);
}
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);
}
/**
* {@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));
}
/**
* For representing the MP3File in an XML Format
*/
public void createStructure()
{
MP3File.getStructureFormatter().openHeadingElement(TYPE_TAG, getIdentifier());
super.createStructureHeader();
//Header
MP3File.getStructureFormatter().openHeadingElement(TYPE_HEADER, "");
MP3File.getStructureFormatter().addElement(TYPE_UNSYNCHRONISATION, this.isUnsynchronization());
MP3File.getStructureFormatter().addElement(TYPE_EXTENDED, this.extended);
MP3File.getStructureFormatter().addElement(TYPE_EXPERIMENTAL, this.experimental);
MP3File.getStructureFormatter().addElement(TYPE_CRCDATA, this.crc32);
MP3File.getStructureFormatter().addElement(TYPE_PADDINGSIZE, this.paddingSize);
MP3File.getStructureFormatter().closeHeadingElement(TYPE_HEADER);
//Body
super.createStructureBody();
MP3File.getStructureFormatter().closeHeadingElement(TYPE_TAG);
}
/**
* @return is tag unsynchronized
*/
public boolean isUnsynchronization()
{
return unsynchronization;
}
public ID3v23Frame createFrame(String id)
{
return new ID3v23Frame(id);
}
/**
* Create Frame for Id3 Key
* <p/>
* 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(ID3v23FieldKey id3Key, String value) throws KeyNotFoundException, FieldDataInvalidException
{
if (id3Key == null)
{
throw new KeyNotFoundException();
}
return super.doCreateTagField(new FrameAndSubId(id3Key.getFrameId(), id3Key.getSubId()), value);
}
/**
* Retrieve the first value that exists for this id3v23key
*
* @param id3v23FieldKey
* @return
* @throws org.jaudiotagger.tag.KeyNotFoundException
*/
public String getFirst(ID3v23FieldKey id3v23FieldKey) throws KeyNotFoundException
{
if (id3v23FieldKey == null)
{
throw new KeyNotFoundException();
}
FrameAndSubId frameAndSubId = new FrameAndSubId(id3v23FieldKey.getFrameId(), id3v23FieldKey.getSubId());
if (id3v23FieldKey == ID3v23FieldKey.TRACK)
{
AbstractID3v2Frame frame = getFirstField(frameAndSubId.getFrameId());
return String.valueOf(((FrameBodyTRCK)frame.getBody()).getTrackNo());
}
else if (id3v23FieldKey == ID3v23FieldKey.TRACK_TOTAL)
{
AbstractID3v2Frame frame = getFirstField(frameAndSubId.getFrameId());
return String.valueOf(((FrameBodyTRCK)frame.getBody()).getTrackTotal());
}
else if (id3v23FieldKey == ID3v23FieldKey.DISC_NO)
{
AbstractID3v2Frame frame = getFirstField(frameAndSubId.getFrameId());
return String.valueOf(((FrameBodyTPOS)frame.getBody()).getDiscNo());
}
else if (id3v23FieldKey == ID3v23FieldKey.DISC_TOTAL)
{
AbstractID3v2Frame frame = getFirstField(frameAndSubId.getFrameId());
return String.valueOf(((FrameBodyTPOS)frame.getBody()).getDiscTotal());
}
else
{
return super.doGetValueAtIndex(frameAndSubId, 0);
}
}
/**
* Delete fields with this id3v23FieldKey
*
* @param id3v23FieldKey
* @throws org.jaudiotagger.tag.KeyNotFoundException
*/
public void deleteField(ID3v23FieldKey id3v23FieldKey) throws KeyNotFoundException
{
if (id3v23FieldKey == null)
{
throw new KeyNotFoundException();
}
super.doDeleteTagField(new FrameAndSubId(id3v23FieldKey.getFrameId(), id3v23FieldKey.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)
{
ID3v23FieldKey id3v23FieldKey = ID3v23Frames.getInstanceOf().getId3KeyFromGenericKey(genericKey);
if (id3v23FieldKey == null)
{
throw new KeyNotFoundException();
}
return new FrameAndSubId(id3v23FieldKey.getFrameId(), id3v23FieldKey.getSubId());
}
protected ID3Frames getID3Frames()
{
return ID3v23Frames.getInstanceOf();
}
/**
* @return comparator used to order frames in preferred order for writing to file
* so that most important frames are written first.
*/
public Comparator getPreferredFrameOrderComparator()
{
return ID3v23PreferredFrameOrderComparator.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)
{
FrameBodyAPIC coverArt = (FrameBodyAPIC) ((AbstractID3v2Frame) next).getBody();
Artwork artwork = ArtworkFactory.getNew();
artwork.setMimeType(coverArt.getMimeType());
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());
FrameBodyAPIC body = (FrameBodyAPIC) 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_MIME_TYPE, 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_MIME_TYPE, FrameBodyAPIC.IMAGE_IS_URL);
body.setObjectValue(DataTypes.OBJ_DESCRIPTION, "");
return frame;
}
}
/**
* Create Artwork
*
* @param data
* @param mimeType of the image
* @see PictureTypes
* @return
*/
public TagField createArtworkField(byte[] data, String mimeType)
{
AbstractID3v2Frame frame = createFrame(getFrameAndSubIdFromGenericKey(FieldKey.COVER_ART).getFrameId());
FrameBodyAPIC body = (FrameBodyAPIC) frame.getBody();
body.setObjectValue(DataTypes.OBJ_PICTURE_DATA, data);
body.setObjectValue(DataTypes.OBJ_PICTURE_TYPE, PictureTypes.DEFAULT_ID);
body.setObjectValue(DataTypes.OBJ_MIME_TYPE, mimeType);
body.setObjectValue(DataTypes.OBJ_DESCRIPTION, "");
return frame;
}
public int getPaddingSize()
{
return paddingSize;
}
}
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