Example usage for io.netty.util CharsetUtil UTF_8

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.dwarf.netty.guide.http.snoop.HttpSnoopClientHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, HttpObject msg) {
    if (msg instanceof HttpResponse) {
        HttpResponse response = (HttpResponse) msg;

        System.err.println("STATUS: " + response.status());
        System.err.println("VERSION: " + response.protocolVersion());
        System.err.println();/*from   w w  w.ja  v a  2  s  . c om*/

        if (!response.headers().isEmpty()) {
            for (CharSequence name : response.headers().names()) {
                for (CharSequence value : response.headers().getAll(name)) {
                    System.err.println("HEADER: " + name + " = " + value);
                }
            }
            System.err.println();
        }

        if (HttpHeaderUtil.isTransferEncodingChunked(response)) {
            System.err.println("CHUNKED CONTENT {");
        } else {
            System.err.println("CONTENT {");
        }
    }
    if (msg instanceof HttpContent) {
        HttpContent content = (HttpContent) msg;

        System.err.print(content.content().toString(CharsetUtil.UTF_8));
        System.err.flush();

        if (content instanceof LastHttpContent) {
            System.err.println("} END OF CONTENT");
            ctx.close();
        }
    }
}

---

From source file:com.dwarf.netty.guide.http.snoop.HttpSnoopServerHandler.java

License:Apache License

@Override
protected void messageReceived(ChannelHandlerContext ctx, Object msg) {
    if (msg instanceof HttpRequest) {
        HttpRequest request = this.request = (HttpRequest) msg;

        if (HttpHeaderUtil.is100ContinueExpected(request)) {
            send100Continue(ctx);//from   w  ww. j  av  a2  s .c  om
        }

        buf.setLength(0);
        buf.append("WELCOME TO THE WILD WILD WEB SERVER\r\n");
        buf.append("===================================\r\n");

        buf.append("VERSION: ").append(request.protocolVersion()).append("\r\n");
        buf.append("HOSTNAME: ").append(request.headers().get(HOST, "unknown")).append("\r\n");
        buf.append("REQUEST_URI: ").append(request.uri()).append("\r\n\r\n");

        HttpHeaders headers = request.headers();
        if (!headers.isEmpty()) {
            for (Map.Entry<CharSequence, CharSequence> h : headers) {
                CharSequence key = h.getKey();
                CharSequence value = h.getValue();
                buf.append("HEADER: ").append(key).append(" = ").append(value).append("\r\n");
            }
            buf.append("\r\n");
        }

        QueryStringDecoder queryStringDecoder = new QueryStringDecoder(request.uri());
        Map<String, List<String>> params = queryStringDecoder.parameters();
        if (!params.isEmpty()) {
            for (Entry<String, List<String>> p : params.entrySet()) {
                String key = p.getKey();
                List<String> vals = p.getValue();
                for (String val : vals) {
                    buf.append("PARAM: ").append(key).append(" = ").append(val).append("\r\n");
                }
            }
            buf.append("\r\n");
        }

        appendDecoderResult(buf, request);
    }

    if (msg instanceof HttpContent) {
        HttpContent httpContent = (HttpContent) msg;

        ByteBuf content = httpContent.content();
        if (content.isReadable()) {
            buf.append("CONTENT: ");
            buf.append(content.toString(CharsetUtil.UTF_8));
            buf.append("\r\n");
            appendDecoderResult(buf, request);
        }

        if (msg instanceof LastHttpContent) {
            buf.append("END OF CONTENT\r\n");

            LastHttpContent trailer = (LastHttpContent) msg;
            if (!trailer.trailingHeaders().isEmpty()) {
                buf.append("\r\n");
                for (CharSequence name : trailer.trailingHeaders().names()) {
                    for (CharSequence value : trailer.trailingHeaders().getAll(name)) {
                        buf.append("TRAILING HEADER: ");
                        buf.append(name).append(" = ").append(value).append("\r\n");
                    }
                }
                buf.append("\r\n");
            }

            if (!writeResponse(trailer, ctx)) {
                // If keep-alive is off, close the connection once the content is fully written.
                ctx.writeAndFlush(Unpooled.EMPTY_BUFFER).addListener(ChannelFutureListener.CLOSE);
            }
        }
    }
}

---

From source file:com.dwarf.netty.guide.http.snoop.HttpSnoopServerHandler.java

License:Apache License

private boolean writeResponse(HttpObject currentObj, ChannelHandlerContext ctx) {
    // Decide whether to close the connection or not.
    boolean keepAlive = HttpHeaderUtil.isKeepAlive(request);
    // Build the response object.
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1,
            currentObj.decoderResult().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().setInt(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, HttpHeaderValues.KEEP_ALIVE);
    }/*w  w  w .jav  a2  s  .  c  om*/

    // Encode the cookie.
    String cookieString = request.headers().getAndConvert(COOKIE);
    if (cookieString != null) {
        Set<Cookie> cookies = ServerCookieDecoder.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.emin.igwmp.skm.core.netty.handler.SocksServerInitializer.java

License:Apache License

@Override
public void initChannel(SocketChannel ch) throws Exception {

    ChannelPipeline pipeline = ch.pipeline();
    pipeline.addLast("frameDecoder", new LengthFieldBasedFrameDecoder(Integer.MAX_VALUE, 0, 4, 0, 4));
    pipeline.addLast("frameEncoder", new LengthFieldPrepender(4));
    // AMF3 ??//from   w w  w . j a va2 s.  c  o m
    //pipeline.addLast("decoder", new DecoderAMF3());
    //pipeline.addLast("encoder", new EncoderAMF3());

    // ?object?? ?Java Object
    //pipeline.addLast("objectEncoder", new ObjectEncoder());
    //pipeline.addLast("objectDecoder", new ObjectDecoder(ClassResolvers.cacheDisabled(null)));

    // UTF-8??? ? ?
    pipeline.addLast("decoder", new StringDecoder(CharsetUtil.UTF_8));
    pipeline.addLast("encoder", new StringEncoder(CharsetUtil.UTF_8));
    pipeline.addLast("ping", new IdleStateHandler(5, 5, 10));
    // // 20s20s 30s
    pipeline.addLast("handler", socksServerHandler);
    //        ch.pipeline().addLast(
    //                new LoggingHandler(LogLevel.DEBUG),
    //                new SocksPortUnificationServerHandler(),
}

---

From source file:com.fanavard.challenge.client.websocket.WebSocketClientHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, Object msg) {
    Channel ch = ctx.channel();//from  ww  w.  ja 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 IllegalStateException("Unexpected FullHttpResponse (getStatus=" + response.status()
                + ", 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.fanavard.challenge.server.websocket.server.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.status().code() != 200) {
        ByteBuf buf = Unpooled.copiedBuffer(res.status().toString(), CharsetUtil.UTF_8);
        res.content().writeBytes(buf);/*  w  ww  .jav a  2  s. c o  m*/
        buf.release();
        HttpHeaderUtil.setContentLength(res, res.content().readableBytes());
    }

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

---

From source file:com.fjn.helper.frameworkex.netty.v4.echotest.EchoClientHandler.java

License:Apache License

public void channelActive(ChannelHandlerContext ctx) throws Exception {
    ctx.write(Unpooled.copiedBuffer("Netty rocks!", CharsetUtil.UTF_8));
}

---

From source file:com.flysoloing.learning.network.netty.binary.MemcacheClientHandler.java

License:Apache License

/**
 * Transforms basic string requests to binary memcache requests
 *//*from   ww  w . j a va2s  .c  o  m*/
@Override
public void write(ChannelHandlerContext ctx, Object msg, ChannelPromise promise) {
    String command = (String) msg;
    if (command.startsWith("get ")) {
        String keyString = command.substring("get ".length());
        ByteBuf key = Unpooled.wrappedBuffer(keyString.getBytes(CharsetUtil.UTF_8));

        BinaryMemcacheRequest req = new DefaultBinaryMemcacheRequest(key);
        req.setOpcode(BinaryMemcacheOpcodes.GET);

        ctx.write(req, promise);
    } else if (command.startsWith("set ")) {
        String[] parts = command.split(" ", 3);
        if (parts.length < 3) {
            throw new IllegalArgumentException("Malformed Command: " + command);
        }
        String keyString = parts[1];
        String value = parts[2];

        ByteBuf key = Unpooled.wrappedBuffer(keyString.getBytes(CharsetUtil.UTF_8));
        ByteBuf content = Unpooled.wrappedBuffer(value.getBytes(CharsetUtil.UTF_8));
        ByteBuf extras = ctx.alloc().buffer(8);
        extras.writeZero(8);

        BinaryMemcacheRequest req = new DefaultFullBinaryMemcacheRequest(key, extras, content);
        req.setOpcode(BinaryMemcacheOpcodes.SET);

        ctx.write(req, promise);
    } else {
        throw new IllegalStateException("Unknown Message: " + msg);
    }
}

---

From source file:com.flysoloing.learning.network.netty.binary.MemcacheClientHandler.java

License:Apache License

@Override
public void channelRead(ChannelHandlerContext ctx, Object msg) {
    FullBinaryMemcacheResponse res = (FullBinaryMemcacheResponse) msg;
    System.out.println(res.content().toString(CharsetUtil.UTF_8));
}

---

From source file:com.flysoloing.learning.network.netty.file.FileServer.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {/*from www . j  ava  2  s.  com*/
        SelfSignedCertificate ssc = new SelfSignedCertificate();
        sslCtx = SslContextBuilder.forServer(ssc.certificate(), ssc.privateKey()).build();
    } else {
        sslCtx = null;
    }

    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup(1);
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {
        ServerBootstrap b = new ServerBootstrap();
        b.group(bossGroup, workerGroup).channel(NioServerSocketChannel.class)
                .option(ChannelOption.SO_BACKLOG, 100).handler(new LoggingHandler(LogLevel.INFO))
                .childHandler(new ChannelInitializer<SocketChannel>() {
                    @Override
                    public void initChannel(SocketChannel ch) throws Exception {
                        ChannelPipeline p = ch.pipeline();
                        if (sslCtx != null) {
                            p.addLast(sslCtx.newHandler(ch.alloc()));
                        }
                        p.addLast(new StringEncoder(CharsetUtil.UTF_8), new LineBasedFrameDecoder(8192),
                                new StringDecoder(CharsetUtil.UTF_8), new ChunkedWriteHandler(),
                                new FileServerHandler());
                    }
                });

        // Start the server.
        ChannelFuture f = b.bind(PORT).sync();

        // Wait until the server socket is closed.
        f.channel().closeFuture().sync();
    } finally {
        // Shut down all event loops to terminate all threads.
        bossGroup.shutdownGracefully();
        workerGroup.shutdownGracefully();
    }
}

---

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