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.flysoloing.learning.network.netty.http2.tiles.Http2RequestHandler.java

License:Apache License

private void handlePage(ChannelHandlerContext ctx, String streamId, int latency, FullHttpRequest request) {
    byte[] body = Html.body(latency);
    ByteBuf content = ctx.alloc().buffer(Html.HEADER.length + body.length + Html.FOOTER.length);
    content.writeBytes(Html.HEADER);
    content.writeBytes(body);/*from  w  w w  .ja  v  a 2s. c om*/
    content.writeBytes(Html.FOOTER);
    FullHttpResponse response = new DefaultFullHttpResponse(HTTP_1_1, OK, content);
    response.headers().set(CONTENT_TYPE, "text/html; charset=UTF-8");
    sendResponse(ctx, streamId, latency, response, request);
}

From source file:com.foilen.smalltools.net.commander.channel.CommanderEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, CommandRequest msg, ByteBuf out) throws Exception {

    String className = msg.commandImplementationClass();

    logger.debug("Encoding message of type {} to call the implementation {}", msg.getClass().getName(),
            className);//from   w ww  .j  a v  a2  s  .co m

    try {
        byte[] classNameBytes = className.getBytes(CharsetTools.UTF_8);
        String jsonContent = JsonTools.writeToString(msg);
        byte[] jsonContentBytes = jsonContent.getBytes(CharsetTools.UTF_8);

        out.writeInt(classNameBytes.length);
        out.writeBytes(classNameBytes);

        out.writeInt(jsonContentBytes.length);
        out.writeBytes(jsonContentBytes);
    } catch (Exception e) {
        logger.warn("Problem encoding the message", e);
    }

}

From source file:com.forgetutorials.lib.network.SubPacketTileEntityCustom.java

License:LGPL

@Override
public void writeData(ByteBuf data) throws IOException {
    data.writeInt(this.custom.writerIndex());
    data.writeBytes(this.custom);
}

From source file:com.friz.network.utility.BufferUtils.java

License:Open Source License

/**
 * Writes a string/*from  w  w w  .  j  av a2  s.  c  o  m*/
 * @param buffer The ChannelBuffer
 * @param string The string being wrote.
 */
public static void putJagString(ByteBuf buffer, String string) {
    buffer.writeByte(0);
    buffer.writeBytes(string.getBytes());
    buffer.writeByte(0);
}

From source file:com.friz.network.utility.BufferUtils.java

License:Open Source License

/**
 * Encodes a {@link String} with CESU8./*from  www. j  ava2  s.  c  om*/
 * @param buf  The {@link ByteBuf} to put the encoded string.
 * @param string The {@link String} to encode.
 */
public static void putCESU8(ByteBuf buf, String string) {
    int length = string.length();

    // Calculate the amount of bytes for the buffer.
    int bytes = 0;
    for (int index = 0; index < length; index++) {
        int character = string.charAt(index);
        if (character >= 2048)
            bytes += 3;
        else if (character >= 128)
            bytes += 2;
        else
            bytes++;
    }

    // Allocate a new buffer for appending data.
    ByteBuffer buffer = ByteBuffer.allocate(bytes);

    for (int index = 0; index < length; index++) {
        // Get the character at the current index.
        int character = string.charAt(index);

        // A character that is represented more than 1 bytes.
        if (character >= 128) {

            // A character that is represented by 3 bytes.
            if (character >= 2048) {
                buffer.put((byte) ((character >> 0xC) | 0xE0));
                buffer.put((byte) (((character >> 0x6) & 0x3F) | 0x80));
                buffer.put((byte) ((character & 0x3F) | 0x80));

                // A character that is represented by 2 bytes.
            } else {
                buffer.put((byte) ((character >> 0x6) | 0x3015));
                buffer.put((byte) ((character & 0x3F) | 0x80));
            }
        } else {
            // A character in which is represented by a single byte.
            buffer.put((byte) character);
        }
    }

    buffer.flip();

    buf.writeBytes(buffer);
}

From source file:com.friz.owari.network.codec.ExchangeEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, ExchangeTransferEvent msg, ByteBuf out) throws Exception {
    if (!out.isWritable())
        return;//from w ww  . j  ava2  s  .co m

    final PublicKey key = msg.getPublicKey();

    byte[] enc = key.getEncoded();

    out.writeInt(enc.length);
    out.writeBytes(enc);
}

From source file:com.friz.update.network.codec.UpdateEncoder.java

License:Open Source License

@Override
protected void encode(ChannelHandlerContext ctx, FileResponseEvent msg, ByteBuf buffer) throws Exception {
    ByteBuf container = msg.getContainer();
    int type = msg.getType();
    int file = msg.getFile();

    if (!msg.isPriority())
        file |= 0x80000000;// w w w .ja v a2 s. c  o  m

    buffer.writeByte(type);
    buffer.writeInt(file);

    int bytes = container.readableBytes();
    if (bytes > BYTES_AFTER_HEADER)
        bytes = BYTES_AFTER_HEADER;

    buffer.writeBytes(container.readBytes(bytes));

    for (;;) {
        bytes = container.readableBytes();
        if (bytes == 0)
            break;
        else if (bytes > BYTES_AFTER_HEADER)
            bytes = BYTES_AFTER_HEADER;

        buffer.writeByte(type);
        buffer.writeInt(file);
        buffer.writeBytes(container.readBytes(bytes));
    }
}

From source file:com.gemstone.gemfire.internal.redis.Coder.java

License:Apache License

public static final ByteBuf getBulkStringResponse(ByteBufAllocator alloc, byte[] value) {
    ByteBuf response = alloc.buffer(value.length + 20);
    response.writeByte(BULK_STRING_ID);/*from  w  ww .  jav a  2 s  .  com*/
    response.writeBytes(intToBytes(value.length));
    response.writeBytes(CRLFar);
    response.writeBytes(value);
    response.writeBytes(CRLFar);
    return response;
}

From source file:com.gemstone.gemfire.internal.redis.Coder.java

License:Apache License

public static final ByteBuf getBulkStringResponse(ByteBufAllocator alloc, double value) {
    ByteBuf response = alloc.buffer();
    byte[] doub = doubleToBytes(value);
    response.writeByte(BULK_STRING_ID);/*w w  w . ja va2  s  .  co m*/
    response.writeBytes(intToBytes(doub.length));
    response.writeBytes(CRLFar);
    response.writeBytes(doub);
    response.writeBytes(CRLFar);
    return response;
}

From source file:com.gemstone.gemfire.internal.redis.Coder.java

License:Apache License

public static final ByteBuf getBulkStringResponse(ByteBufAllocator alloc, String value) {
    byte[] valueAr = stringToBytes(value);
    int length = valueAr == null ? 0 : valueAr.length;
    ByteBuf response = alloc.buffer(length + 20);
    response.writeByte(BULK_STRING_ID);//from w ww . j av  a  2 s.  c om
    response.writeBytes(intToBytes(length));
    response.writeBytes(CRLFar);
    response.writeBytes(valueAr);
    response.writeBytes(CRLFar);
    return response;
}