@PostConstruct
private void init() {
try {
userTransaction.begin();
initData();
userTransaction.commit();
} catch (NotSupportedException e) {
e.printStackTrace();
} catch (SystemException e) {
e.printStackTrace();
} catch (HeuristicRollbackException e) {
e.printStackTrace();
} catch (javax.transaction.RollbackException e) {
e.printStackTrace();
} catch (HeuristicMixedException e) {
e.printStackTrace();
}
}
protected byte[] packFrameData() {
ByteBuffer bb = ByteBuffer.allocate(getLength());
bb.put(id.getBytes());
bb.put((byte) 0);
bb.put(getFlags());
bb.put((byte) children.length);
for (String child : children) {
bb.put(child.getBytes());
bb.put((byte) 0);
}
for (ID3v2Frame frame : subframes) {
try {
bb.put(frame.toBytes());
} catch (NotSupportedException e) {
e.printStackTrace();
}
}
return bb.array();
}
