Example usage for io.netty.buffer Unpooled copiedBuffer

List of usage examples for io.netty.buffer Unpooled copiedBuffer

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Introduction

In this page you can find the example usage for io.netty.buffer Unpooled copiedBuffer.

Prototype

private static ByteBuf copiedBuffer(CharBuffer buffer, Charset charset)

Source Link

Usage

From source file:cn.dennishucd.nettyhttpserver.HttpServerHandler.java

License:Apache License

private static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/plain; charset=UTF-8");

    // Close the connection as soon as the error message is sent.
    ctx.writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:cn.pengj.udpdemo.EchoSeverHandler.java

License:Open Source License

@Override
protected void channelRead0(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
    // ??//from   w  w w  . ja v a  2 s  .co m
    ByteBuf buf = (ByteBuf) packet.copy().content();
    byte[] req = new byte[buf.readableBytes()];
    buf.readBytes(req);
    String body = new String(req, CharsetUtil.UTF_8);
    System.out.println("?NOTE>>>>>> ?" + body);

    // ???
    ctx.writeAndFlush(new DatagramPacket(
            Unpooled.copiedBuffer("HelloServer" + System.currentTimeMillis(),
                    CharsetUtil.UTF_8),
            packet.sender())).sync();
}

From source file:com.addthis.hydra.query.loadbalance.NextQueryTask.java

License:Apache License

private static void sendDetailedError(ChannelHandlerContext ctx, Throwable cause) {
    if (cause == null) {
        cause = new RuntimeException("query failed for unknown reasons");
    }/*from  w  w  w.java2  s.  co  m*/
    String reasonPhrase = cause.getMessage();
    HttpResponseStatus responseStatus;
    try {
        responseStatus = new HttpResponseStatus(500, reasonPhrase);
    } catch (NullPointerException | IllegalArgumentException ignored) {
        reasonPhrase = cause.getClass().getSimpleName();
        responseStatus = new HttpResponseStatus(500, reasonPhrase);
    }
    String detailPhrase = logAndFormatErrorDetail(cause);
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, responseStatus,
            Unpooled.copiedBuffer(detailPhrase + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    log.trace("issuing error of {}", responseStatus);

    // Close the connection as soon as the error message is sent.
    ctx.channel().writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.addthis.hydra.query.web.HttpUtils.java

License:Apache License

public static void sendError(ChannelHandlerContext ctx, HttpResponseStatus status) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, status,
            Unpooled.copiedBuffer("Failure: " + status.toString() + "\r\n", CharsetUtil.UTF_8));
    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");
    log.trace("issuing error of {}", status);

    // Close the connection as soon as the error message is sent.
    ctx.channel().writeAndFlush(response).addListener(ChannelFutureListener.CLOSE);
}

From source file:com.adobe.acs.livereload.impl.WebSocketServerHandler.java

License:Apache License

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() != HttpServletResponse.SC_OK) {
        ByteBuf buf = Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);// w  ww .j  a  v a 2s .  c  o m
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

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

From source file:com.athena.dolly.websocket.server.test.WebSocketServerHandler.java

License:Apache License

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);/*from   w w  w. j av  a2 s .  c o m*/
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

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

From source file:com.athena.dolly.websocket.server.test.WebSocketSslServerHandler.java

License:Apache License

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);/*from  w  ww. j  a v  a  2 s. co  m*/
        buf.release();
        setContentLength(res, res.content().readableBytes());
    }

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

From source file:com.bala.learning.learning.netty.HttpServerHandler.java

License:Apache License

private boolean writeResponse(HttpObject currentObj, ChannelHandlerContext ctx) {
    // Decide whether to close the connection or not.
    boolean keepAlive = HttpHeaders.isKeepAlive(request);
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1,
            currentObj.getDecoderResult().isSuccess() ? OK : BAD_REQUEST,
            Unpooled.copiedBuffer(buf.toString(), CharsetUtil.UTF_8));

    response.headers().set(CONTENT_TYPE, "text/plain; charset=UTF-8");

    if (keepAlive) {
        // Add 'Content-Length' header only for a keep-alive connection.
        response.headers().set(CONTENT_LENGTH, response.content().readableBytes());
        // Add keep alive header as per:
        // - http://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }/*w  ww . j  a v a  2s  .  co m*/

    // Encode the cookie.
    String cookieString = request.headers().get(COOKIE);
    if (cookieString != null) {
        Set<Cookie> cookies = CookieDecoder.decode(cookieString);
        if (!cookies.isEmpty()) {
            // Reset the cookies if necessary.
            for (Cookie cookie : cookies) {
                response.headers().add(SET_COOKIE, ServerCookieEncoder.encode(cookie));
            }
        }
    } else {
        // Browser sent no cookie.  Add some.
        response.headers().add(SET_COOKIE, ServerCookieEncoder.encode("key1", "value1"));
        response.headers().add(SET_COOKIE, ServerCookieEncoder.encode("key2", "value2"));
    }

    // Write the response.
    ctx.write(response);

    return keepAlive;
}

From source file:com.brainlounge.zooterrain.netty.WebSocketServerIndexPage.java

License:Apache License

public ByteBuf getContent(String webSocketLocation) {
    String contentReplaced = content.replace("${wsLoc}", webSocketLocation);
    return Unpooled.copiedBuffer(contentReplaced, CharsetUtil.US_ASCII);
}

From source file:com.caricah.iotracah.server.httpserver.netty.HttpServerHandler.java

License:Apache License

@Override
public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {

    try {/*from  w w w .j  av  a2  s  .  c o m*/
        log.info(" exceptionCaught : Unhandled exception: ", cause);

        JSONObject error = new JSONObject();
        error.put("message", cause.getMessage());
        error.put("status", "failure");

        ByteBuf buffer = Unpooled.copiedBuffer(error.toString(), CharsetUtil.UTF_8);

        // Build the response object.
        FullHttpResponse httpResponse = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1,
                HttpResponseStatus.INTERNAL_SERVER_ERROR, buffer);

        ctx.channel().writeAndFlush(httpResponse).addListener(ChannelFutureListener.CLOSE);
    } catch (Exception ex) {
        log.debug(" exceptionCaught : trying to close socket because we got an unhandled exception", ex);
    }

}