/** @return list of artwork images */
public List<Artwork> getArtworkList() {
List<Artwork> artworkList = new ArrayList<Artwork>(1);
// Read Old Format
if (getArtworkBinaryData() != null & getArtworkBinaryData().length > 0) {
Artwork artwork = new Artwork();
artwork.setMimeType(getArtworkMimeType());
artwork.setBinaryData(getArtworkBinaryData());
artworkList.add(artwork);
}
// New Format (Supports Multiple Images)
List<TagField> metadataBlockPics = this.get(VorbisCommentFieldKey.METADATA_BLOCK_PICTURE);
for (TagField tagField : metadataBlockPics) {
try {
byte[] imageBinaryData = Base64Coder.decode(((TagTextField) tagField).getContent());
MetadataBlockDataPicture coverArt =
new MetadataBlockDataPicture(ByteBuffer.wrap(imageBinaryData));
Artwork artwork = Artwork.createArtworkFromMetadataBlockDataPicture(coverArt);
artworkList.add(artwork);
} catch (IOException ioe) {
throw new RuntimeException(ioe);
} catch (InvalidFrameException ife) {
throw new RuntimeException(ife);
}
}
return artworkList;
}
/**
* Create Artwork field
*
* @param artwork
* @return
* @throws FieldDataInvalidException
*/
public TagField createField(Artwork artwork) throws FieldDataInvalidException {
try {
char[] testdata = Base64Coder.encode(createMetadataBlockDataPicture(artwork).getRawContent());
String base64image = new String(testdata);
TagField imageTagField =
createField(VorbisCommentFieldKey.METADATA_BLOCK_PICTURE, base64image);
return imageTagField;
} catch (UnsupportedEncodingException uee) {
throw new RuntimeException(uee);
}
}
/**
* Create artwork field using the non-standard COVERART tag
*
* <p>Actually create two fields , the data field and the mimetype. Its is not recommended that
* you use this method anymore.
*
* @param data raw image data
* @param mimeType mimeType of data
* <p>
* @return
*/
@Deprecated
public void setArtworkField(byte[] data, String mimeType) {
char[] testdata = Base64Coder.encode(data);
String base64image = new String(testdata);
VorbisCommentTagField dataField =
new VorbisCommentTagField(VorbisCommentFieldKey.COVERART.getFieldName(), base64image);
VorbisCommentTagField mimeField =
new VorbisCommentTagField(VorbisCommentFieldKey.COVERARTMIME.getFieldName(), mimeType);
setField(dataField);
setField(mimeField);
}
/**
* Retrieve artwork raw data when using the deprecated COVERART format
*
* @return
*/
public byte[] getArtworkBinaryData() {
String base64data = this.getFirst(VorbisCommentFieldKey.COVERART);
byte[] rawdata = Base64Coder.decode(base64data.toCharArray());
return rawdata;
}
