Example usage for io.netty.util CharsetUtil UTF_8

List of usage examples for io.netty.util CharsetUtil UTF_8

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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.helome.messagecenter.master.HttpServerHandler.java

License:Apache License

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

    response.headers().set(CONTENT_TYPE, "application/json; 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:
        // -//from   w  w  w .  j av a 2s.c o  m
        // http://www.w3.org/Protocols/HTTP/1.1/draft-ietf-http-v11-spec-01.html#Connection
        response.headers().set(CONNECTION, HttpHeaders.Values.KEEP_ALIVE);
    }

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

    return keepAlive;
}

From source file:com.hop.hhxx.example.http.file.HttpStaticFileServerHandler.java

License:Apache License

private static void sendListing(ChannelHandlerContext ctx, File dir) {
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK);
    response.headers().set(HttpHeaderNames.CONTENT_TYPE, "text/html; charset=UTF-8");

    String dirPath = dir.getPath();
    StringBuilder buf = new StringBuilder().append("<!DOCTYPE html>\r\n").append("<html><head><title>")
            .append("Listing of: ").append(dirPath).append("</title></head><body>\r\n")

            .append("<h3>Listing of: ").append(dirPath).append("</h3>\r\n")

            .append("<ul>").append("<li><a href=\"../\">..</a></li>\r\n");

    for (File f : dir.listFiles()) {
        if (f.isHidden() || !f.canRead()) {
            continue;
        }//  ww w . j  a v  a2  s  .c  om

        String name = f.getName();
        if (!ALLOWED_FILE_NAME.matcher(name).matches()) {
            continue;
        }

        buf.append("<li><a href=\"").append(name).append("\">").append(name).append("</a></li>\r\n");
    }

    buf.append("</ul></body></html>\r\n");
    ByteBuf buffer = Unpooled.copiedBuffer(buf, CharsetUtil.UTF_8);
    response.content().writeBytes(buffer);
    buffer.release();

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

From source file:com.hop.hhxx.example.http2.helloworld.client.Http2Client.java

License:Apache License

public static void main(String[] args) throws Exception {
    // Configure SSL.
    final SslContext sslCtx;
    if (SSL) {//from   w w  w . j a va  2  s .co  m
        SslProvider provider = OpenSsl.isAlpnSupported() ? SslProvider.OPENSSL : SslProvider.JDK;
        sslCtx = SslContextBuilder.forClient().sslProvider(provider)
                /* NOTE: the cipher filter may not include all ciphers required by the HTTP/2 specification.
                 * Please refer to the HTTP/2 specification for cipher requirements. */
                .ciphers(Http2SecurityUtil.CIPHERS, SupportedCipherSuiteFilter.INSTANCE)
                .trustManager(InsecureTrustManagerFactory.INSTANCE)
                .applicationProtocolConfig(new ApplicationProtocolConfig(Protocol.ALPN,
                        // NO_ADVERTISE is currently the only mode supported by both OpenSsl and JDK providers.
                        SelectorFailureBehavior.NO_ADVERTISE,
                        // ACCEPT is currently the only mode supported by both OpenSsl and JDK providers.
                        SelectedListenerFailureBehavior.ACCEPT, ApplicationProtocolNames.HTTP_2,
                        ApplicationProtocolNames.HTTP_1_1))
                .build();
    } else {
        sslCtx = null;
    }

    EventLoopGroup workerGroup = new NioEventLoopGroup();
    Http2ClientInitializer initializer = new Http2ClientInitializer(sslCtx, Integer.MAX_VALUE);

    try {
        // Configure the client.
        Bootstrap b = new Bootstrap();
        b.group(workerGroup);
        b.channel(NioSocketChannel.class);
        b.option(ChannelOption.SO_KEEPALIVE, true);
        b.remoteAddress(HOST, PORT);
        b.handler(initializer);

        // Start the client.
        Channel channel = b.connect().syncUninterruptibly().channel();
        System.out.println("Connected to [" + HOST + ':' + PORT + ']');

        // Wait for the HTTP/2 upgrade to occur.
        Http2SettingsHandler http2SettingsHandler = initializer.settingsHandler();
        http2SettingsHandler.awaitSettings(5, TimeUnit.SECONDS);

        HttpResponseHandler responseHandler = initializer.responseHandler();
        int streamId = 3;
        HttpScheme scheme = SSL ? HttpScheme.HTTPS : HttpScheme.HTTP;
        AsciiString hostName = new AsciiString(HOST + ':' + PORT);
        System.err.println("Sending request(s)...");
        if (URL != null) {
            // Create a simple GET request.
            FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, GET, URL);
            request.headers().add(HttpHeaderNames.HOST, hostName);
            request.headers().add(HttpConversionUtil.ExtensionHeaderNames.SCHEME.text(), scheme.name());
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
            responseHandler.put(streamId, channel.writeAndFlush(request), channel.newPromise());
            streamId += 2;
        }
        if (URL2 != null) {
            // Create a simple POST request with a body.
            FullHttpRequest request = new DefaultFullHttpRequest(HTTP_1_1, POST, URL2,
                    Unpooled.copiedBuffer(URL2DATA.getBytes(CharsetUtil.UTF_8)));
            request.headers().add(HttpHeaderNames.HOST, hostName);
            request.headers().add(HttpConversionUtil.ExtensionHeaderNames.SCHEME.text(), scheme.name());
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.GZIP);
            request.headers().add(HttpHeaderNames.ACCEPT_ENCODING, HttpHeaderValues.DEFLATE);
            responseHandler.put(streamId, channel.writeAndFlush(request), channel.newPromise());
            streamId += 2;
        }
        responseHandler.awaitResponses(5, TimeUnit.SECONDS);
        System.out.println("Finished HTTP/2 request(s)");

        // Wait until the connection is closed.
        channel.close().syncUninterruptibly();
    } finally {
        workerGroup.shutdownGracefully();
    }
}

From source file:com.hop.hhxx.example.qotm.QuoteOfTheMomentClient.java

License:Apache License

public static void main(String[] args) throws Exception {

    EventLoopGroup group = new NioEventLoopGroup();
    try {// www .j  a v  a2s .  co  m
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentClientHandler());

        Channel ch = b.bind(0).sync().channel();

        // Broadcast the QOTM request to port 8080.
        ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                new InetSocketAddress("255.255.255.255", PORT))).sync();

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
        // response is received.  If the channel is not closed within 5 seconds,
        // print an error message and quit.
        if (!ch.closeFuture().await(5000)) {
            System.err.println("QOTM request timed out.");
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.filetransfer.FileServer.java

License:Apache License

public void run() throws Exception {
    // Configure the server.
    EventLoopGroup bossGroup = new NioEventLoopGroup();
    EventLoopGroup workerGroup = new NioEventLoopGroup();
    try {/*  w ww  . ja v a 2  s  . c o  m*/
        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 {
                        ch.pipeline().addLast(new StringEncoder(CharsetUtil.UTF_8),
                                new LineBasedFrameDecoder(8192), new StringDecoder(CharsetUtil.UTF_8),
                                new FileHandler());
                    }
                });

        // 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();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.qotm.QuoteOfTheMomentClient.java

License:Apache License

public void run() throws Exception {
    EventLoopGroup group = new NioEventLoopGroup();
    try {// w  w w  .j a  v a2  s .c om
        Bootstrap b = new Bootstrap();
        b.group(group).channel(NioDatagramChannel.class).option(ChannelOption.SO_BROADCAST, true)
                .handler(new QuoteOfTheMomentClientHandler());

        Channel ch = b.bind(0).sync().channel();

        // Broadcast the QOTM request to port 8080.
        ch.writeAndFlush(new DatagramPacket(Unpooled.copiedBuffer("QOTM?", CharsetUtil.UTF_8),
                new InetSocketAddress("255.255.255.255", port))).sync();

        // QuoteOfTheMomentClientHandler will close the DatagramChannel when a
        // response is received.  If the channel is not closed within 5 seconds,
        // print an error message and quit.
        if (!ch.closeFuture().await(5000)) {
            System.err.println("QOTM request timed out.");
        }
    } finally {
        group.shutdownGracefully();
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.qotm.QuoteOfTheMomentClientHandler.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("QOTM: ")) {
        System.out.println("Quote of the Moment: " + response.substring(6));
        ctx.close();/*w w  w.j a v a2 s.c  om*/
    }
}

From source file:com.hxr.javatone.concurrency.netty.official.qotm.QuoteOfTheMomentServerHandler.java

License:Apache License

@Override
public void messageReceived(ChannelHandlerContext ctx, DatagramPacket packet) throws Exception {
    System.err.println(packet);//  w w w .  java  2  s .co  m
    if ("QOTM?".equals(packet.content().toString(CharsetUtil.UTF_8))) {
        ctx.write(new DatagramPacket(Unpooled.copiedBuffer("QOTM: " + nextQuote(), CharsetUtil.UTF_8),
                packet.sender()));
    }
}

From source file:com.ibasco.agql.protocols.valve.source.query.packets.response.SourcePlayerResponsePacket.java

License:Open Source License

@Override
public List<SourcePlayer> toObject() {
    ByteBuf data = getPayloadBuffer();//from w  ww . j  a  va  2 s .c om
    List<SourcePlayer> playerList = new ArrayList<>();
    byte numOfPlayers = data.readByte();
    for (int i = 0; i < numOfPlayers; i++)
        playerList.add(new SourcePlayer(data.readByte(), ByteBufUtils.readString(data, CharsetUtil.UTF_8),
                data.readIntLE(), Float.intBitsToFloat(data.readIntLE())));
    return playerList;
}

From source file:com.imaginarycode.minecraft.bungeejson.impl.httpserver.HttpServerHandler.java

License:Open Source License

private HttpResponse getResponse(ChannelHandlerContext channelHandlerContext, HttpRequest hr) {
    QueryStringDecoder query = new QueryStringDecoder(hr.getUri());
    Multimap<String, String> params = createMultimapFromMap(query.parameters());

    Object reply;//from  w w  w.  j  av a2s. c o  m
    HttpResponseStatus hrs;
    final RequestHandler handler = BungeeJSONPlugin.getRequestManager().getHandlerForEndpoint(query.path());
    if (handler == null) {
        reply = BungeeJSONUtilities.error("No such endpoint exists.");
        hrs = HttpResponseStatus.NOT_FOUND;
    } else {
        final ApiRequest ar = new HttpServerApiRequest(
                ((InetSocketAddress) channelHandlerContext.channel().remoteAddress()).getAddress(), params,
                bodyBuilder.toString());
        try {
            reply = handler.handle(ar);
            hrs = HttpResponseStatus.OK;
        } catch (Throwable throwable) {
            hrs = HttpResponseStatus.INTERNAL_SERVER_ERROR;
            reply = BungeeJSONUtilities
                    .error("An internal error has occurred. Information has been logged to the console.");
            BungeeJSONPlugin.getPlugin().getLogger().log(Level.WARNING,
                    "Error while handling " + hr.getUri() + " from " + ar.getRemoteIp(), throwable);
        }
    }

    String json = BungeeJSONPlugin.getPlugin().getGson().toJson(reply);
    DefaultFullHttpResponse hreply = new DefaultFullHttpResponse(HttpVersion.HTTP_1_1, hrs,
            Unpooled.wrappedBuffer(json.getBytes(CharsetUtil.UTF_8)));
    // Add a reminder that we're still running the show.
    hreply.headers().set("Content-Type", "application/json; charset=UTF-8");
    hreply.headers().set("Access-Control-Allow-Origin", "*");
    hreply.headers().set("Server", "BungeeJSON/0.1");
    hreply.headers().set("Content-Length", json.length());
    return hreply;
}