private static HttpResponse createResponseTemplate(
HttpResponseStatus status, ChannelBuffer data) {
HttpResponse response = new DefaultHttpResponse(HttpVersion.HTTP_1_1, status);
if (data != null) {
response.setHeader(HttpHeaders.Names.CONTENT_LENGTH, Integer.toString(data.readableBytes()));
response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "application/octet-stream");
response.setContent(data);
} else {
response.setHeader(HttpHeaders.Names.CONTENT_LENGTH, "0");
response.setContent(null);
}
return response;
}
public static HttpResponse createRejection(HttpRequest request, String reason) {
HttpVersion version = request != null ? request.getProtocolVersion() : HttpVersion.HTTP_1_1;
HttpResponse response = new DefaultHttpResponse(version, HttpResponseStatus.BAD_REQUEST);
response.setHeader(HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=\"utf-8\"");
ChannelBuffer reasonBuffer = ChannelBuffers.wrappedBuffer(toBytes(reason));
response.setHeader(
HttpHeaders.Names.CONTENT_LENGTH, Integer.toString(reasonBuffer.readableBytes()));
response.setContent(reasonBuffer);
return response;
}
private void sendHttpResponse(ChannelHandlerContext ctx, HttpRequest req, HttpResponse res) {
// Generate an error page if response status code is not OK (200).
if (res.getStatus().getCode() != 200) {
res.setContent(ChannelBuffers.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8));
setContentLength(res, res.getContent().readableBytes());
}
// Send the response and close the connection if necessary.
ChannelFuture f = ctx.getChannel().write(res);
if (!isKeepAlive(req) || res.getStatus().getCode() != 200) {
f.addListener(ChannelFutureListener.CLOSE);
}
}