/**
* Write this representation of tag to the file indicated
*
* @param file that this tag should be written to
* @throws IOException thrown if there were problems writing to the file
*/
public void write(RandomAccessFile file) throws IOException {
logger.info("Saving ID3v11 tag to file");
byte[] buffer = new byte[TAG_LENGTH];
int i;
String str;
delete(file);
file.seek(file.length());
System.arraycopy(TAG_ID, FIELD_TAGID_POS, buffer, FIELD_TAGID_POS, TAG_ID.length);
int offset = FIELD_TITLE_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveTitle()) {
str = ID3Tags.truncate(title, FIELD_TITLE_LENGTH);
for (i = 0; i < str.length(); i++) {
buffer[i + offset] = (byte) str.charAt(i);
}
}
offset = FIELD_ARTIST_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveArtist()) {
str = ID3Tags.truncate(artist, FIELD_ARTIST_LENGTH);
for (i = 0; i < str.length(); i++) {
buffer[i + offset] = (byte) str.charAt(i);
}
}
offset = FIELD_ALBUM_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveAlbum()) {
str = ID3Tags.truncate(album, FIELD_ALBUM_LENGTH);
for (i = 0; i < str.length(); i++) {
buffer[i + offset] = (byte) str.charAt(i);
}
}
offset = FIELD_YEAR_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveYear()) {
str = ID3Tags.truncate(year, FIELD_YEAR_LENGTH);
for (i = 0; i < str.length(); i++) {
buffer[i + offset] = (byte) str.charAt(i);
}
}
offset = FIELD_COMMENT_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveComment()) {
str = ID3Tags.truncate(comment, FIELD_COMMENT_LENGTH);
for (i = 0; i < str.length(); i++) {
buffer[i + offset] = (byte) str.charAt(i);
}
}
offset = FIELD_TRACK_POS;
buffer[offset] = track; // skip one byte extra blank for 1.1 definition
offset = FIELD_GENRE_POS;
if (TagOptionSingleton.getInstance().isId3v1SaveGenre()) {
buffer[offset] = genre;
}
file.write(buffer);
logger.info("Saved ID3v11 tag to file");
}
/**
* Set Comment
*
* @param comment
*/
public void setComment(String comment) {
if (comment == null) {
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
this.comment = ID3Tags.truncate(comment, FIELD_COMMENT_LENGTH);
}
/**
* Creates a new ID3v11 datatype from a non v11 tag
*
* @param mp3tag
* @throws UnsupportedOperationException
*/
public ID3v11Tag(AbstractTag mp3tag) {
if (mp3tag != null) {
if (mp3tag instanceof ID3v1Tag) {
if (mp3tag instanceof ID3v11Tag) {
throw new UnsupportedOperationException(
"Copy Constructor not called. Please type cast the argument");
}
// id3v1_1 objects are also id3v1 objects
ID3v1Tag id3old = (ID3v1Tag) mp3tag;
this.title = id3old.title;
this.artist = id3old.artist;
this.album = id3old.album;
this.comment = id3old.comment;
this.year = id3old.year;
this.genre = id3old.genre;
} else {
ID3v24Tag id3tag;
// first change the tag to ID3v2_4 tag if not one already
if (!(mp3tag instanceof ID3v24Tag)) {
id3tag = new ID3v24Tag(mp3tag);
} else {
id3tag = (ID3v24Tag) mp3tag;
}
ID3v24Frame frame;
String text;
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_TITLE)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_TITLE);
text = ((FrameBodyTIT2) frame.getBody()).getText();
this.title = ID3Tags.truncate(text, FIELD_TITLE_LENGTH);
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_ARTIST)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_ARTIST);
text = ((FrameBodyTPE1) frame.getBody()).getText();
this.artist = ID3Tags.truncate(text, FIELD_ARTIST_LENGTH);
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_ALBUM)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_ALBUM);
text = ((FrameBodyTALB) frame.getBody()).getText();
this.album = ID3Tags.truncate(text, FIELD_ALBUM_LENGTH);
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_YEAR)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_YEAR);
text = ((FrameBodyTDRC) frame.getBody()).getText();
this.year = ID3Tags.truncate(text, FIELD_YEAR_LENGTH);
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_COMMENT)) {
Iterator iterator = id3tag.getFrameOfType(ID3v24Frames.FRAME_ID_COMMENT);
text = "";
while (iterator.hasNext()) {
frame = (ID3v24Frame) iterator.next();
text += (((FrameBodyCOMM) frame.getBody()).getText() + " ");
}
this.comment = ID3Tags.truncate(text, FIELD_COMMENT_LENGTH);
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_GENRE)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_GENRE);
text = ((FrameBodyTCON) frame.getBody()).getText();
try {
this.genre = (byte) ID3Tags.findNumber(text);
} catch (TagException ex) {
logger.log(
Level.WARNING,
getLoggingFilename()
+ ":"
+ "Unable to convert TCON frame to format suitable for v11 tag",
ex);
this.genre = (byte) ID3v1Tag.GENRE_UNDEFINED;
}
}
if (id3tag.hasFrame(ID3v24Frames.FRAME_ID_TRACK)) {
frame = (ID3v24Frame) id3tag.getFrame(ID3v24Frames.FRAME_ID_TRACK);
this.track = (byte) ((FrameBodyTRCK) frame.getBody()).getTrackNo().intValue();
}
}
}
}
/**
* Set year
*
* @param year
*/
public void setYear(String year) {
this.year = ID3Tags.truncate(year, FIELD_YEAR_LENGTH);
}
/**
* Set Title
*
* @param title
*/
public void setTitle(String title) {
if (title == null) {
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
this.title = ID3Tags.truncate(title, FIELD_TITLE_LENGTH);
}
/**
* Set Artist
*
* @param artist
*/
public void setArtist(String artist) {
if (artist == null) {
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
this.artist = ID3Tags.truncate(artist, FIELD_ARTIST_LENGTH);
}
/**
* Set Album
*
* @param album
*/
public void setAlbum(String album) {
if (album == null) {
throw new IllegalArgumentException(ErrorMessage.GENERAL_INVALID_NULL_ARGUMENT.getMsg());
}
this.album = ID3Tags.truncate(album, FIELD_ALBUM_LENGTH);
}