Example usage for io.netty.handler.codec.http HttpHeaders setContentLength

Introduction

In this page you can find the example usage for io.netty.handler.codec.http HttpHeaders setContentLength.

Prototype

@Deprecated
public static void setContentLength(HttpMessage message, long length) 

Source Link

Usage

From source file:adalightserver.http.HttpServer.java

License:Apache License

@SuppressWarnings("unused")
private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, String response) {
    FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK);
    ByteBuf buf = Unpooled.copiedBuffer(response, CharsetUtil.US_ASCII);
    res.content().writeBytes(buf);//from   w  w w  .j  a  v  a2 s.  c o m
    buf.release();
    res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
    HttpHeaders.setContentLength(res, res.content().readableBytes());
    sendHttpResponse(ctx, req, res);
}

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From source file:adalightserver.http.HttpServer.java

License:Apache License

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // res.headers().set("Access-Control-Allow-Methods", "POST, OPTIONS, GET");
    // res.headers().set("Access-Control-Allow-Origin", "*");
    // res.headers().set("Access-Control-Allow-Headers", "*");

    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/* w ww. j a  va 2s . c  om*/
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }
    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

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From source file:ca.lambtoncollege.netty.webSocket.ServerHandlerWebSocket.java

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) {
    // Handle a bad request.
    if (!req.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;/* ww w.j a va  2 s.  c o m*/
    }

    // Allow only GET methods.
    if (req.getMethod() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    // Send the demo page and favicon.ico
    if ("/".equals(req.getUri())) {
        ByteBuf content = ServerIndexPageWebSocket.getContent(getWebSocketLocation(req));
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

        res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
        HttpHeaders.setContentLength(res, content.readableBytes());

        sendHttpResponse(ctx, req, res);
        return;
    }
    if ("/favicon.ico".equals(req.getUri())) {
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
        sendHttpResponse(ctx, req, res);
        return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, true);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

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From source file:ca.lambtoncollege.netty.webSocket.ServerHandlerWebSocket.java

private static void sendHttpResponse(ChannelHandlerContext ctx, FullHttpRequest req, FullHttpResponse res) {
    // Generate an error page if response getStatus code is not OK (200).
    if (res.getStatus().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*  w w  w . ja  v a2 s .c o  m*/
        buf.release();
        HttpHeaders.setContentLength(res, res.content().readableBytes());
    }

    // Send the response and close the connection if necessary.
    ChannelFuture f = ctx.channel().writeAndFlush(res);
    if (!HttpHeaders.isKeepAlive(req) || res.getStatus().code() != 200) {
        f.addListener(ChannelFutureListener.CLOSE);
    }
}

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From source file:cn.npt.net.websocket.WebSocketServerHandler.java

License:Apache License

private void handleHttpRequest(ChannelHandlerContext ctx, FullHttpRequest req) {
    // Handle a bad request.
    if (!req.getDecoderResult().isSuccess()) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, BAD_REQUEST));
        return;/*from w w  w .  j av a  2  s  .  c  om*/
    }

    // Allow only GET methods.
    if (req.getMethod() != GET) {
        sendHttpResponse(ctx, req, new DefaultFullHttpResponse(HTTP_1_1, FORBIDDEN));
        return;
    }

    // Send the demo page and favicon.ico
    if ("/".equals(req.getUri())) {
        ByteBuf content = WebSocketServerIndexPage.getContent(getWebSocketLocation(req));
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, OK, content);

        res.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
        HttpHeaders.setContentLength(res, content.readableBytes());

        sendHttpResponse(ctx, req, res);
        return;
    }
    if ("/favicon.ico".equals(req.getUri())) {
        FullHttpResponse res = new DefaultFullHttpResponse(HTTP_1_1, NOT_FOUND);
        sendHttpResponse(ctx, req, res);
        return;
    }

    // Handshake
    WebSocketServerHandshakerFactory wsFactory = new WebSocketServerHandshakerFactory(getWebSocketLocation(req),
            null, true);
    handshaker = wsFactory.newHandshaker(req);
    if (handshaker == null) {
        WebSocketServerHandshakerFactory.sendUnsupportedVersionResponse(ctx.channel());
    } else {
        handshaker.handshake(ctx.channel(), req);
    }
}

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From source file:com.barchart.http.server.PooledServerResponse.java

License:BSD License

@Override
public void setContentLength(final int length) {
    HttpHeaders.setContentLength(this, length);
}

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From source file:com.bloom.zerofs.rest.HealthCheckHandler.java

License:Open Source License

@Override
public void channelRead(ChannelHandlerContext ctx, Object obj) throws Exception {
    logger.trace("Reading on channel {}", ctx.channel());
    boolean forwardObj = false;
    if (obj instanceof HttpRequest) {
        if (request == null && ((HttpRequest) obj).getUri().equals(healthCheckUri)) {
            nettyMetrics.healthCheckRequestRate.mark();
            startTimeInMs = System.currentTimeMillis();
            logger.trace("Handling health check request while in state " + restServerState.isServiceUp());
            request = (HttpRequest) obj;
            if (restServerState.isServiceUp()) {
                response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, HttpResponseStatus.OK,
                        Unpooled.wrappedBuffer(GOOD));
                HttpHeaders.setKeepAlive(response, HttpHeaders.isKeepAlive(request));
                HttpHeaders.setContentLength(response, GOOD.length);
            } else {
                response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                        HttpResponseStatus.SERVICE_UNAVAILABLE, Unpooled.wrappedBuffer(BAD));
                HttpHeaders.setKeepAlive(response, false);
                HttpHeaders.setContentLength(response, BAD.length);
            }//ww  w  .j a  va  2  s .  c  o m
            nettyMetrics.healthCheckRequestProcessingTimeInMs
                    .update(System.currentTimeMillis() - startTimeInMs);
        } else {
            // Rest server could be down even if not for health check request. We intentionally don't take any action in this
            // handler for such cases and leave it to the downstream handlers to handle it
            forwardObj = true;
        }
    }
    if (obj instanceof LastHttpContent) {
        if (response != null) {
            // response was created when we received the request with health check uri
            ChannelFuture future = ctx.writeAndFlush(response);
            if (!HttpHeaders.isKeepAlive(response)) {
                future.addListener(ChannelFutureListener.CLOSE);
            }
            request = null;
            response = null;
            nettyMetrics.healthCheckRequestRoundTripTimeInMs.update(System.currentTimeMillis() - startTimeInMs);
        } else {
            // request was not for health check uri
            forwardObj = true;
        }
    } else if (request == null) {
        // http Content which is not LastHttpContent is not intended for this handler
        forwardObj = true;
    }
    if (forwardObj) {
        super.channelRead(ctx, obj);
    } else {
        ReferenceCountUtil.release(obj);
    }
}

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From source file:com.bloom.zerofs.rest.NettyResponseChannel.java

License:Open Source License

/**
 * Provided a cause, returns an error response with the right status and error message.
 * @param cause the cause of the error.//  w w w. j  a v  a 2s . c om
 * @return a {@link FullHttpResponse} with the error message that can be sent to the client.
 */
private FullHttpResponse getErrorResponse(Throwable cause) {
    HttpResponseStatus status;
    StringBuilder errReason = new StringBuilder();
    if (cause instanceof RestServiceException) {
        RestServiceErrorCode restServiceErrorCode = ((RestServiceException) cause).getErrorCode();
        errorResponseStatus = ResponseStatus.getResponseStatus(restServiceErrorCode);
        status = getHttpResponseStatus(errorResponseStatus);
        if (status == HttpResponseStatus.BAD_REQUEST) {
            errReason.append(" [").append(Utils.getRootCause(cause).getMessage()).append("]");
        }
    } else {
        nettyMetrics.internalServerErrorCount.inc();
        status = HttpResponseStatus.INTERNAL_SERVER_ERROR;
        errorResponseStatus = ResponseStatus.InternalServerError;
    }
    String fullMsg = "Failure: " + status + errReason;
    logger.trace("Constructed error response for the client - [{}]", fullMsg);
    FullHttpResponse response;
    if (request != null && !request.getRestMethod().equals(RestMethod.HEAD)) {
        response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status,
                Unpooled.wrappedBuffer(fullMsg.getBytes()));
    } else {
        // for HEAD, we cannot send the actual body but we need to return what the length would have been if this was GET.
        // https://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html (Section 9.4)
        response = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, status);
    }
    HttpHeaders.setDate(response, new GregorianCalendar().getTime());
    HttpHeaders.setContentLength(response, fullMsg.length());
    HttpHeaders.setHeader(response, HttpHeaders.Names.CONTENT_TYPE, "text/plain; charset=UTF-8");
    boolean keepAlive = !forceClose && HttpHeaders.isKeepAlive(responseMetadata) && request != null
            && !request.getRestMethod().equals(RestMethod.POST)
            && !CLOSE_CONNECTION_ERROR_STATUSES.contains(status);
    HttpHeaders.setKeepAlive(response, keepAlive);
    return response;
}

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From source file:com.corundumstudio.socketio.handler.EncoderHandler.java

License:Apache License

private void sendMessage(HttpMessage msg, Channel channel, ByteBuf out, String type) {
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);

    res.headers().add(CONTENT_TYPE, type).add("Set-Cookie", "io=" + msg.getSessionId()).add(CONNECTION,
            KEEP_ALIVE);/*from   w  w w  . ja  v a2 s  .com*/

    addOriginHeaders(channel, res);
    HttpHeaders.setContentLength(res, out.readableBytes());

    // prevent XSS warnings on IE
    // https://github.com/LearnBoost/socket.io/pull/1333
    String userAgent = channel.attr(EncoderHandler.USER_AGENT).get();
    if (userAgent != null && (userAgent.contains(";MSIE") || userAgent.contains("Trident/"))) {
        res.headers().add("X-XSS-Protection", "0");
    }

    sendMessage(msg, channel, out, res);
}

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From source file:com.corundumstudio.socketio.SocketIOEncoder.java

License:Apache License

private HttpResponse createHttpResponse(String origin, ByteBuf message) {
    HttpResponse res = new DefaultHttpResponse(HTTP_1_1, HttpResponseStatus.OK);

    HttpHeaders.addHeader(res, CONTENT_TYPE, "text/plain; charset=UTF-8");
    HttpHeaders.addHeader(res, CONNECTION, KEEP_ALIVE);
    if (origin != null) {
        HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_ORIGIN, origin);
        HttpHeaders.addHeader(res, ACCESS_CONTROL_ALLOW_CREDENTIALS, "true");
    }/*from   ww  w.ja v  a 2  s  . c  o  m*/
    HttpHeaders.setContentLength(res, message.readableBytes());

    return res;
}

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