@Override
public void close() {
while (true) {
OutputState state = _state.get();
switch (state) {
case CLOSED:
{
return;
}
case ASYNC:
case UNREADY:
case PENDING:
{
if (!_state.compareAndSet(state, OutputState.CLOSED)) break;
IOException ex = new IOException("Closed while Pending/Unready");
LOG.warn(ex.toString());
LOG.debug(ex);
_channel.abort(ex);
}
default:
{
if (!_state.compareAndSet(state, OutputState.CLOSED)) break;
try {
write(
BufferUtil.hasContent(_aggregate) ? _aggregate : BufferUtil.EMPTY_BUFFER,
!_channel.getResponse().isIncluding());
} catch (IOException x) {
// Ignore it, it's been already logged in write().
} finally {
releaseBuffer();
}
// Return even if an exception is thrown by write().
return;
}
}
}
}
private void abort(Throwable failure) {
closed();
_channel.abort(failure);
}