Example usage for io.netty.util CharsetUtil UTF

Introduction

In this page you can find the example usage for io.netty.util CharsetUtil UTF_8.

Prototype

Charset UTF_8

To view the source code for io.netty.util CharsetUtil UTF_8.

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Document

8-bit UTF (UCS Transformation Format)

Usage

From source file:com.jjzhk.Chapter12.udp.ChineseProverbClient.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {//from   ww  w. j  av  a 2s . com
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new ChineseProverbClientHandler());
        Channel ch = b.bind(0).sync().channel();
        // ???????DP
        ch.writeAndFlush(
                new DatagramPacket(Unpooled.copiedBuffer("???", CharsetUtil.UTF_8),
                        new InetSocketAddress("255.255.255.255", port)))
                .sync();
        if (!ch.closeFuture().await(15000)) {
            System.out.println("?!");
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.jjzhk.Chapter12.udp.ChineseProverbClientHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, DatagramPacket msg) throws Exception {
    String response = msg.content().toString(CharsetUtil.UTF_8);
    if (response.startsWith("???: ")) {
        System.out.println(response);
        ctx.close();/* w  w  w .  j a  va 2 s .  c  o  m*/
    }
}

From source file:com.jjzhk.Chapter12.udp.ChineseProverbServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
    String req = packet.content().toString(CharsetUtil.UTF_8);
    System.out.println(req);//from   w w  w.  ja va  2 s.c  om
    if ("???".equals(req)) {
        ctx.writeAndFlush(new DatagramPacket(
                Unpooled.copiedBuffer("???: " + nextQuote(), CharsetUtil.UTF_8),
                packet.sender()));
    }
}

From source file:com.jjzhk.Chapter13.file.FileServer.java

License:Apache License

public void run(int port) throws Exception {
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {//  ww  w  .java2s  . c  om
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).childHandler(new ChannelInitializer<SocketChannel>() {
                    /*
                     * (non-Javadoc)
                     * 
                     * @see
                     * io.netty.channel.ChannelInitializer#initChannel(io
                     * .netty.channel.Channel)
                     */
                    public void initChannel(SocketChannel ch) throws Exception {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(1024), new StringDecoder(CharsetUtil.UTF_8),
                                new FileServerHandler());
                    }
                });
        ChannelFuture f = b.bind(port).sync();
        System.out.println("Start file server at port : " + port);
        f.channel().closeFuture().sync();
    } finally {
        // ?
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

From source file:com.khs.microservice.whirlpool.whirlpoolserver.WhirlpoolServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*  ww w . j  a  v a 2  s  . co  m*/
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        p.addLast("encoder", new HttpResponseEncoder());
                        p.addLast("decoder", new HttpRequestDecoder());
                        p.addLast("stringDecoder", new StringDecoder(CharsetUtil.UTF_8));
                        p.addLast("stringEncoder", new StringEncoder(CharsetUtil.UTF_8));
                        p.addLast("aggregator", new HttpObjectAggregator(65536));
                        p.addLast("handler", new WhirlpoolServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();
        logger.info("Whirlpool Server started");

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        logger.info("Whirlpool Server shutdown started");
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
        logger.info("Whirlpool Server shutdown completed");
    }
}

From source file:com.lbwan.game.client.WebSocketClientHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    Channel ch = ctx.channel();//from www  .  j  a v a  2  s .c  o m
    if (!handshaker.isHandshakeComplete()) {
        handshaker.finishHandshake(ch, (FullHttpResponse) msg);
        System.out.println("WebSocket Client connected!");
        handshakeFuture.setSuccess();
        return;
    }

    if (msg instanceof FullHttpResponse) {
        FullHttpResponse response = (FullHttpResponse) msg;
        throw new Exception("Unexpected FullHttpResponse (getStatus=" + response.getStatus() + ", content="
                + response.content().toString(CharsetUtil.UTF_8) + ')');
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    if (frame instanceof TextWebSocketFrame) {
        TextWebSocketFrame textFrame = (TextWebSocketFrame) frame;
        System.out.println("WebSocket Client received message: " + textFrame.text());
    } else if (frame instanceof PongWebSocketFrame) {
        System.out.println("WebSocket Client received pong");
    } else if (frame instanceof CloseWebSocketFrame) {
        System.out.println("WebSocket Client received closing");
        ch.close();
    }

}

From source file:com.leadtone.riders.server.RidersWebSocketServerHandler.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) {
        res.content().writeBytes(Unpooled.copiedBuffer(res.getStatus().toString(), CharsetUtil.UTF_8));
        setContentLength(res, res.content().readableBytes());
    }/*from   w  w  w .j a  v a2 s  .  c o m*/

    // 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.liferay.sync.engine.lan.server.discovery.LanDiscoveryListenerHandler.java

License:Open Source License

@Override
public void channelRead0(ChannelHandlerContext channelHandlerContext, DatagramPacket datagramPacket)
        throws Exception {

    ByteBuf byteBuf = datagramPacket.content();

    SyncLanClient syncLanClient = JSONUtil.readValue(byteBuf.toString(CharsetUtil.UTF_8), SyncLanClient.class);

    String syncLanClientUuid = syncLanClient.getSyncLanClientUuid();

    if (syncLanClientUuid.equals(LanClientUtil.getSyncLanClientUuid())) {
        return;/*  www. j a va2s.  co m*/
    }

    List<SyncLanEndpoint> syncLanEndpoints = SyncLanEndpointService.findSyncLanEndPoints(syncLanClientUuid);

    Map<String, Set<Long>> endpoints = syncLanClient.getEndpoints();

    for (Map.Entry<String, Set<Long>> entry : endpoints.entrySet()) {
        for (Long groupId : entry.getValue()) {
            SyncLanEndpoint syncLanEndpoint = new SyncLanEndpoint();

            syncLanEndpoint.setLanServerUuid(entry.getKey());
            syncLanEndpoint.setRepositoryId(groupId);
            syncLanEndpoint.setSyncLanClientUuid(syncLanClientUuid);

            if (!syncLanEndpoints.remove(syncLanEndpoint)) {
                SyncLanEndpointService.update(syncLanEndpoint);
            }
        }
    }

    for (SyncLanEndpoint syncLanEndpoint : syncLanEndpoints) {
        SyncLanEndpointService.deleteSyncLanEndpoint(syncLanEndpoint);
    }

    InetSocketAddress inetSocketAddress = datagramPacket.sender();

    syncLanClient.setHostname(inetSocketAddress.getHostName());

    syncLanClient.setModifiedTime(System.currentTimeMillis());

    SyncLanClientService.update(syncLanClient);
}

From source file:com.linecorp.armeria.server.http.HttpServiceCodec.java

License:Apache License

@Override
public ByteBuf encodeFailureResponse(ServiceInvocationContext ctx, Throwable cause) throws Exception {

    final StringWriter sw = new StringWriter(512);
    final PrintWriter pw = new PrintWriter(sw);
    cause.printStackTrace(pw);//from ww w  .  ja v a2  s  . c  o m
    pw.flush();
    return Unpooled.wrappedBuffer(sw.toString().getBytes(CharsetUtil.UTF_8));
}

From source file:com.loudsight.utilities.websocket.WebSocketClientHandler.java

License:Apache License

@Override
public void channelRead0(ChannelHandlerContext ctx, Object msg) throws Exception {
    Channel ch = ctx.channel();/*from   ww  w.jav a  2  s  .  co m*/
    if (!handshaker.isHandshakeComplete()) {
        try {
            handshaker.finishHandshake(ch, (FullHttpResponse) msg);
            System.out.println("WebSocket Client connected!");
            handshakeFuture.setSuccess();
        } catch (WebSocketHandshakeException e) {
            System.out.println("WebSocket Client failed to connect");
            handshakeFuture.setFailure(e);
        }
        return;
    }

    if (msg instanceof FullHttpResponse) {
        FullHttpResponse response = (FullHttpResponse) msg;
        throw new IllegalStateException("Unexpected FullHttpResponse (getStatus=" + response.status()
                + ", content=" + response.content().toString(CharsetUtil.UTF_8) + ')');
    }

    WebSocketFrame frame = (WebSocketFrame) msg;
    if (frame instanceof BinaryWebSocketFrame) {
        BinaryWebSocketFrame textFrame = (BinaryWebSocketFrame) frame;
        listener.onMessage(textFrame.content().array());
    } else if (frame instanceof PongWebSocketFrame) {
        System.out.println("WebSocket Client received pong");
    } else if (frame instanceof CloseWebSocketFrame) {
        System.out.println("WebSocket Client received closing");
        ch.close();
    }
}

Example usage for io.netty.util CharsetUtil UTF_8

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Prototype

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Usage