// Creates the ByteBuffer for the ogg tag
public void create(Tag tag, ByteBuffer buf, List fields, int tagSize, int padding)
throws UnsupportedEncodingException {
String vendorString = ((OggTag) tag).getVendor();
int vendorLength = Utils.getUTF8Bytes(vendorString).length;
buf.put(
new byte[] {
(byte) (vendorLength & 0xFF),
(byte) ((vendorLength & 0xFF00) >> 8),
(byte) ((vendorLength & 0xFF0000) >> 16),
(byte) ((vendorLength & 0xFF000000) >> 24)
});
buf.put(Utils.getUTF8Bytes(vendorString));
// [user comment list length]
int listLength = fields.size();
byte[] b = new byte[4];
b[3] = (byte) ((listLength & 0xFF000000) >> 24);
b[2] = (byte) ((listLength & 0x00FF0000) >> 16);
b[1] = (byte) ((listLength & 0x0000FF00) >> 8);
b[0] = (byte) (listLength & 0x000000FF);
buf.put(b);
Iterator it = fields.iterator();
while (it.hasNext()) {
buf.put((byte[]) it.next());
}
}
/** {@inheritDoc} */
@SuppressWarnings("all")
@Override
public boolean writeTo(ByteBuffer buf) {
commState.setBuffer(buf);
if (!super.writeTo(buf)) return false;
if (!commState.typeWritten) {
if (!commState.putByte(directType())) return false;
commState.typeWritten = true;
}
switch (commState.idx) {
case 8:
if (nearKeyBytes != null) {
if (commState.it == null) {
if (!commState.putInt(nearKeyBytes.size())) return false;
commState.it = nearKeyBytes.iterator();
}
while (commState.it.hasNext() || commState.cur != NULL) {
if (commState.cur == NULL) commState.cur = commState.it.next();
if (!commState.putByteArray((byte[]) commState.cur)) return false;
commState.cur = NULL;
}
commState.it = null;
} else {
if (!commState.putInt(-1)) return false;
}
commState.idx++;
}
return true;
}