DatagramPacketDecoder Class — netty Architecture

Source Code

codec-base/src/main/java/io/netty/handler/codec/DatagramPacketDecoder.java lines 35–116

public class DatagramPacketDecoder extends MessageToMessageDecoder<DatagramPacket> {

    private final MessageToMessageDecoder<ByteBuf> decoder;

    /**
     * Create a {@link DatagramPacket} decoder using the specified {@link ByteBuf} decoder.
     *
     * @param decoder the specified {@link ByteBuf} decoder
     */
    public DatagramPacketDecoder(MessageToMessageDecoder<ByteBuf> decoder) {
        super(DatagramPacket.class);
        this.decoder = checkNotNull(decoder, "decoder");
    }

    @Override
    public boolean acceptInboundMessage(Object msg) throws Exception {
        if (msg instanceof DatagramPacket) {
            return decoder.acceptInboundMessage(((DatagramPacket) msg).content());
        }
        return false;
    }

    @Override
    protected void decode(ChannelHandlerContext ctx, DatagramPacket msg, List<Object> out) throws Exception {
        decoder.decode(ctx, msg.content(), out);
    }

    @Override
    public void channelRegistered(ChannelHandlerContext ctx) throws Exception {
        decoder.channelRegistered(ctx);
    }

    @Override
    public void channelUnregistered(ChannelHandlerContext ctx) throws Exception {
        decoder.channelUnregistered(ctx);
    }

    @Override
    public void channelActive(ChannelHandlerContext ctx) throws Exception {
        decoder.channelActive(ctx);
    }

    @Override
    public void channelInactive(ChannelHandlerContext ctx) throws Exception {
        decoder.channelInactive(ctx);
    }

    @Override
    public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
        decoder.channelReadComplete(ctx);
    }

    @Override
    public void userEventTriggered(ChannelHandlerContext ctx, Object evt) throws Exception {
        decoder.userEventTriggered(ctx, evt);
    }

    @Override
    public void channelWritabilityChanged(ChannelHandlerContext ctx) throws Exception {
        decoder.channelWritabilityChanged(ctx);
    }

    @Override
    public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause) throws Exception {
        decoder.exceptionCaught(ctx, cause);
    }

    @Override
    public void handlerAdded(ChannelHandlerContext ctx) throws Exception {
        decoder.handlerAdded(ctx);
    }

    @Override
    public void handlerRemoved(ChannelHandlerContext ctx) throws Exception {
        decoder.handlerRemoved(ctx);
    }

    @Override
    public boolean isSharable() {
        return decoder.isSharable();
    }