/**
* Writes the specified TaskResult data to the channel output. Only the raw output data is written
* and rest of the TaskResult fields are ignored
*
* @param ctx the ChannelHandlerContext
* @param event the ChannelEvent
* @throws Exception in case of any errors
*/
private void writeCommandExecutionResponse(
ChannelHandlerContext ctx, ChannelEvent event, HttpResponse response) throws Exception {
// Don't write anything if the response is null
if (response == null) {
// write empty response
event
.getChannel()
.write(new DefaultHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.NO_CONTENT))
.addListener(ChannelFutureListener.CLOSE);
return;
}
org.jboss.netty.handler.codec.http.HttpResponse httpResponse =
new DefaultHttpResponse(
HttpVersion.HTTP_1_1,
HttpResponseStatus.valueOf(response.getStatusLine().getStatusCode()));
// write headers
for (Header header : response.getAllHeaders()) {
if (!RoutingHttpChannelHandler.REMOVE_HEADERS.contains(header.getName())) {
httpResponse.setHeader(header.getName(), header.getValue());
}
}
// write entity
HttpEntity responseEntity = response.getEntity();
byte[] responseData = EntityUtils.toByteArray(responseEntity);
httpResponse.setContent(ChannelBuffers.copiedBuffer(responseData));
// write response
event.getChannel().write(httpResponse).addListener(ChannelFutureListener.CLOSE);
}
static {
RoutingHttpChannelHandler.REMOVE_HEADERS.add(HTTP.TRANSFER_ENCODING);
RoutingHttpChannelHandler.REMOVE_HEADERS.add(HTTP.CONN_DIRECTIVE);
RoutingHttpChannelHandler.REMOVE_HEADERS.add(HTTP.CONN_KEEP_ALIVE);
RoutingHttpChannelHandler.REMOVE_HEADERS.add(HTTP.TARGET_HOST);
RoutingHttpChannelHandler.REMOVE_HEADERS.add("Proxy-Authenticate");
RoutingHttpChannelHandler.REMOVE_HEADERS.add("TE");
RoutingHttpChannelHandler.REMOVE_HEADERS.add("Trailers");
RoutingHttpChannelHandler.REMOVE_HEADERS.add("Upgrade");
}