/* ------------------------------------------------------------ */
protected void commit() throws IOException {
if (_response.isCommitted()) return;
int status = _response.getStatus();
int length = -1;
// Check if there is missing content expectations
if (_inputStream.getExpectContinues() != null) {
// No input read yet - so assume it never will be
_inputStream.setExpectContinues(null);
_inputStream.unsafeSetContentLength(0);
}
// Handler forced close, listener stopped or no idle threads left.
boolean has_close = HttpFields.__Close.equals(_response.getField(HttpFields.__Connection));
if (!_persistent
|| _close
|| _listener != null && (!_listener.isStarted() || _listener.isOutOfResources())) {
_close = true;
if (!has_close) _response.setField(HttpFields.__Connection, HttpFields.__Close);
has_close = true;
}
if (_close) _persistent = false;
// Determine how to limit content length
if (_persistent) {
switch (_dotVersion) {
case 1:
{
String transfer_coding = _response.getField(HttpFields.__TransferEncoding);
if (transfer_coding == null
|| transfer_coding.length() == 0
|| HttpFields.__Identity.equalsIgnoreCase(transfer_coding)) {
// if (can have content and no content length)
if (status != HttpResponse.__304_Not_Modified
&& status != HttpResponse.__204_No_Content
&& _response.getField(HttpFields.__ContentLength) == null) {
if (_completing) {
length = _outputStream.getBytesWritten();
_response.setContentLength(length);
} else {
// Chunk it!
_response.setField(HttpFields.__TransferEncoding, HttpFields.__Chunked);
_outputStream.setChunking();
}
}
} else {
// Use transfer encodings to determine length
_response.removeField(HttpFields.__ContentLength);
_outputStream.setChunking();
if (!HttpFields.__Chunked.equalsIgnoreCase(transfer_coding)) {
// Check against any TE field
List te = _request.getAcceptableTransferCodings();
Enumeration enm =
_response.getFieldValues(
HttpFields.__TransferEncoding, HttpFields.__separators);
while (enm.hasMoreElements()) {
String coding = (String) enm.nextElement();
if (HttpFields.__Identity.equalsIgnoreCase(coding)
|| HttpFields.__Chunked.equalsIgnoreCase(coding)) continue;
if (te == null || !te.contains(coding))
throw new HttpException(HttpResponse.__501_Not_Implemented, coding);
}
}
}
}
break;
case 0:
{
// if (can have content and no content length)
_response.removeField(HttpFields.__TransferEncoding);
if (_keepAlive) {
if (status != HttpResponse.__304_Not_Modified
&& status != HttpResponse.__204_No_Content
&& _response.getField(HttpFields.__ContentLength) == null) {
if (_completing) {
length = _outputStream.getBytesWritten();
_response.setContentLength(length);
_response.setField(HttpFields.__Connection, HttpFields.__KeepAlive);
} else {
_response.setField(HttpFields.__Connection, HttpFields.__Close);
has_close = _close = true;
_persistent = false;
}
} else _response.setField(HttpFields.__Connection, HttpFields.__KeepAlive);
} else if (!has_close) _response.setField(HttpFields.__Connection, HttpFields.__Close);
break;
}
default:
{
_close = true;
_persistent = false;
_keepAlive = false;
}
}
}
// Mark request as handled.
_request.setHandled(true);
_outputStream.writeHeader(_response);
_outputStream.flush();
}
