Example usage for io.netty.buffer ByteBuf writeBytes

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf writeBytes.

Prototype

public abstract ByteBuf writeBytes(ByteBuffer src);

Source Link

Document

Transfers the specified source buffer's data to this buffer starting at the current writerIndex until the source buffer's position reaches its limit, and increases the writerIndex by the number of the transferred bytes.

Usage

From source file:com.irh.material.basics.netty.chapter14_1.codec.NettyMessageEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, NettyMessage msg, ByteBuf sendBuf) throws Exception {
    if (msg == null || msg.getHeader() == null) {
        throw new Exception("The encode message is null");
    }/*www .  java2  s  .c  om*/
    sendBuf.writeInt((msg.getHeader().getCrcCode()));
    sendBuf.writeInt((msg.getHeader().getLength()));
    sendBuf.writeLong((msg.getHeader().getSessionID()));
    sendBuf.writeByte((msg.getHeader().getType()));
    sendBuf.writeByte((msg.getHeader().getPriority()));
    sendBuf.writeInt((msg.getHeader().getAttachment().size()));
    String key = null;
    byte[] keyArray = null;
    Object value = null;
    for (Map.Entry<String, Object> param : msg.getHeader().getAttachment().entrySet()) {
        key = param.getKey();
        keyArray = key.getBytes("UTF-8");
        sendBuf.writeInt(keyArray.length);
        sendBuf.writeBytes(keyArray);
        value = param.getValue();
        marshallingEncoder.encode(value, sendBuf);
    }
    key = null;
    keyArray = null;
    value = null;
    if (msg.getBody() != null) {
        marshallingEncoder.encode(msg.getBody(), sendBuf);
    } else
        sendBuf.writeInt(0);
    sendBuf.setInt(4, sendBuf.readableBytes() - 8);
}

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From source file:com.jadarstudios.rankcapes.forge.network.packet.PacketBase.java

License:MIT License

/**
 * Write a string to a {@link ByteBuf}//from  w  w  w.  ja v  a  2s  .  co  m
 *
 * @param string the string to write
 * @param data   the buffer to write to
 *
 * @throws IndexOutOfBoundsException thrown if the buffer is too small for the data
 */
public void writeString(String string, ByteBuf data) throws IndexOutOfBoundsException {
    byte[] stringBytes = string.getBytes();
    data.writeInt(stringBytes.length);
    data.writeBytes(stringBytes);
}

---

From source file:com.jayqqaa12.jbase.tcp.netty.code.DreamJSONEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, String msg, ByteBuf out) throws Exception {
    //      System.out.println("begin encode");
    if (StringUtils.isEmpty(msg)) {
        return;// w  ww .ja va2 s  .c o m
    }
    byte[] message = msg.getBytes("UTF-8");
    out.writeInt(message.length);
    out.writeBytes(message);
    //      System.out.println("end encode");
}

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From source file:com.juaby.labs.rpc.client.Rpc2ClientEncoder.java

License:Apache License

@Override
protected void encode(ChannelHandlerContext ctx, RpcMessage msg, ByteBuf out) throws Exception {
    // GIOP header
    out.writeBytes(msg.getGIOPHeader());

    // Major version
    out.writeByte(msg.getMajor());/*w  w  w.  ja v  a2 s  .c  o  m*/

    // Minor version
    out.writeByte(msg.getMinor());

    // Flags
    out.writeByte(msg.getFlags());

    // Value
    out.writeByte(msg.getValue());

    // ID
    out.writeInt(msg.getId());

    // Total length
    out.writeInt(msg.getTotalLength());

    // Body length
    out.writeInt(msg.getBodyLength());

    // Body
    out.writeBytes(msg.getBody());
}

---

From source file:com.kazzla.asterisk.netty.MessageEncoder.java

License:Apache License

public void encode(ChannelHandlerContext ctx, Message msg, ByteBuf b) throws CodecException {
    b.writeBytes(codec.encode(msg));
}

---

From source file:com.kixeye.kixmpp.KixmppCodec.java

License:Apache License

/**
 * @see io.netty.handler.codec.ByteToMessageCodec#encode(io.netty.channel.ChannelHandlerContext, java.lang.Object, io.netty.buffer.ByteBuf)
 *///from  w  ww  .ja v  a2 s .co m
@Override
protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf out) throws Exception {
    if (msg instanceof Element) {
        new XMLOutputter().output((Element) msg, new ByteBufOutputStream(out));
    } else if (msg instanceof KixmppStreamStart) {
        KixmppStreamStart streamStart = (KixmppStreamStart) msg;
        if (streamStart.doesIncludeXmlHeader()) {
            out.writeBytes("<?xml version='1.0' encoding='UTF-8'?>".getBytes(StandardCharsets.UTF_8));
        }
        out.writeBytes("<stream:stream ".getBytes(StandardCharsets.UTF_8));
        if (streamStart.getId() != null) {
            out.writeBytes(String.format("id=\"%s\" ", streamStart.getId()).getBytes(StandardCharsets.UTF_8));
        }
        if (streamStart.getFrom() != null) {
            out.writeBytes(String.format("from=\"%s\" ", streamStart.getFrom().getFullJid())
                    .getBytes(StandardCharsets.UTF_8));
        }
        if (streamStart.getTo() != null) {
            out.writeBytes(String.format("to=\"%s\" ", streamStart.getTo().getFullJid())
                    .getBytes(StandardCharsets.UTF_8));
        }
        out.writeBytes(
                "version=\"1.0\" xmlns=\"jabber:client\" xmlns:stream=\"http://etherx.jabber.org/streams\">"
                        .getBytes(StandardCharsets.UTF_8));
    } else if (msg instanceof KixmppStreamEnd) {
        out.writeBytes("</stream:stream>".getBytes(StandardCharsets.UTF_8));
    } else if (msg instanceof String) {
        out.writeBytes(((String) msg).getBytes(StandardCharsets.UTF_8));
    } else if (msg instanceof ByteBuf) {
        ByteBuf buf = (ByteBuf) msg;

        out.writeBytes(buf, 0, buf.readableBytes());
    }

    if (logger.isDebugEnabled()) {
        logger.debug("Sending: [{}]", out.toString(StandardCharsets.UTF_8));
    }
}

---

From source file:com.kradac.karview.netty.MyEncoder.java

@Override
protected void encode(ChannelHandlerContext ctx, Object msg, ByteBuf buf) throws Exception {
    String msj = String.valueOf(msg);
    String[] data = msj.split("%%");
    msj = data[0];/*from w  w w.  j a  v  a  2  s .co  m*/
    System.out.println(">>> " + Integer.parseInt(data[1]));
    if (Integer.parseInt(data[1]) == 1) {
        System.out.println("pas1");
        buf.writeByte(0x00);
        buf.writeByte(msj.length() + 4 + 2 + 1); //Aumenta un 1 por el 0 que se aumenta
        buf.writeByte(0x00);
        buf.writeByte(0x01);
        buf.writeByte(0x04);
        buf.writeByte(0x00);
        buf.writeByte(0x00);
        buf.writeBytes(msj.getBytes());
    } else {
        System.out.println("pas2");
        buf.writeByte(0x00);
        buf.writeByte(msj.length() + 4 + 2);
        buf.writeByte(0x00);
        buf.writeByte(0x01);
        buf.writeByte(0x04);
        buf.writeByte(0x00);
        buf.writeBytes(msj.getBytes());
    }
}

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From source file:com.l2jmobius.commons.network.codecs.CryptCodec.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, ByteBuf msg, ByteBuf out) {
    // Check if there are any data to encrypt.
    if (!msg.isReadable()) {
        return;/*www.j a va 2  s.com*/
    }

    msg.resetReaderIndex();
    _crypt.encrypt(msg);
    msg.resetReaderIndex();
    out.writeBytes(msg);
}

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From source file:com.lambdaworks.redis.ProtectedModeTests.java

License:Apache License

@BeforeClass
public static void beforeClass() throws Exception {

    server = new MockTcpServer();

    server.addHandler(() -> {/*  w w  w  .ja v  a  2  s  . co m*/
        return new ChannelInboundHandlerAdapter() {
            @Override
            public void channelActive(ChannelHandlerContext ctx) throws Exception {

                String message = getMessage();
                ByteBuf buffer = ctx.alloc().buffer(message.length() + 3);
                buffer.writeBytes("-".getBytes());
                buffer.writeBytes(message.getBytes());
                buffer.writeByte('\r').writeByte('\n');

                ctx.writeAndFlush(buffer).addListener(future -> {
                    ctx.close();
                });
            }
        };
    });

    server.initialize(TestSettings.nonexistentPort());

    client = RedisClient.create(TestClientResources.get(),
            RedisURI.create(TestSettings.host(), TestSettings.nonexistentPort()));
}

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From source file:com.lambdaworks.redis.protocol.CommandArgsTest.java

License:Apache License

@Test
public void addValues() throws Exception {

    CommandArgs<String, String> args = new CommandArgs<>(codec).addValues(Arrays.asList("1", "2"));

    ByteBuf buffer = Unpooled.buffer();//from w ww . j ava 2 s.c  om
    args.encode(buffer);

    ByteBuf expected = Unpooled.buffer();
    expected.writeBytes(("$1\r\n" + "1\r\n" + "$1\r\n" + "2\r\n").getBytes());

    assertThat(buffer.toString(LettuceCharsets.ASCII)).isEqualTo(expected.toString(LettuceCharsets.ASCII));
}

---

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