/**
* Flush the response contents to the output channel
*
* @param channel Channel to be used
*/
private void writeResponse(Channel channel) {
// Convert the response content to a ChannelBuffer.
ByteBuf buf = copiedBuffer(responseContent.toString(), CharsetUtil.UTF_8);
responseContent.setLength(0);
// Decide whether to close the connection or not.
boolean close =
HttpHeaders.Values.CLOSE.equalsIgnoreCase(request.headers().get(CONNECTION))
|| request.getProtocolVersion().equals(HttpVersion.HTTP_1_0)
&& !HttpHeaders.Values.KEEP_ALIVE.equalsIgnoreCase(
request.headers().get(CONNECTION));
// Build the response object.
FullHttpResponse response =
new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK, buf);
response.headers().set(CONTENT_TYPE, "application/json; charset=UTF-8");
if (!close) {
// There's no need to add 'Content-Length' header
// if this is the last response.
response.headers().set(CONTENT_LENGTH, buf.readableBytes());
}
try {
// Write the response.
ChannelFuture future = channel.writeAndFlush(response);
// Close the connection after the write operation is done if necessary.
if (close) {
future.addListener(ChannelFutureListener.CLOSE);
}
} catch (Exception e) {
logger.error("{}", e);
}
}
/**
* Returns the route URI for the current request
*
* @param request HttpRequest which contains the request URI of the current session
* @return Returns the route
* @throws URISyntaxException
*/
public TrackingType setTrackingType(HttpRequest request) throws URISyntaxException {
URI uri = new URI(request.getUri());
if (uri.getPath().startsWith("/trackingPoint")) {
return TrackingType.TRACKING_POINT;
} else if (uri.getPath().startsWith("/startTracking")) {
return TrackingType.START_TRACKING;
} else if (uri.getPath().startsWith("/stopTracking")) {
return TrackingType.STOP_TRACKING;
} else {
return TrackingType.UNKNOWN;
}
}