protected void channelRead0()

in frontend/server/src/main/java/com/amazonaws/ml/mms/http/HttpRequestHandler.java [44:80]
36 lines of code
10 McCabe index (conditional complexity)

    protected void channelRead0(ChannelHandlerContext ctx, FullHttpRequest req) {
        try {
            NettyUtils.requestReceived(ctx.channel(), req);
            if (!req.decoderResult().isSuccess()) {
                throw new BadRequestException("Invalid HTTP message.");
            }
            QueryStringDecoder decoder = new QueryStringDecoder(req.uri());
            String path = decoder.path();

            String[] segments = path.split("/");
            handlerChain.handleRequest(ctx, req, decoder, segments);
        } catch (ResourceNotFoundException | ModelNotFoundException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.NOT_FOUND, e);
        } catch (BadRequestException | ModelException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.BAD_REQUEST, e);
        } catch (ConflictStatusException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.CONFLICT, e);
        } catch (RequestTimeoutException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.REQUEST_TIMEOUT, e);
        } catch (MethodNotAllowedException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.METHOD_NOT_ALLOWED, e);
        } catch (ServiceUnavailableException e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.SERVICE_UNAVAILABLE, e);
        } catch (OutOfMemoryError e) {
            logger.trace("", e);
            NettyUtils.sendError(ctx, HttpResponseStatus.INSUFFICIENT_STORAGE, e);
        } catch (Throwable t) {
            logger.error("", t);
            NettyUtils.sendError(ctx, HttpResponseStatus.INTERNAL_SERVER_ERROR, t);
        }
    }