Package org.drasyl.handler.codec

Class JacksonCodec<T>

  • All Implemented Interfaces:
    io.netty.channel.ChannelHandler, io.netty.channel.ChannelInboundHandler, io.netty.channel.ChannelOutboundHandler
    public class JacksonCodec<T>
extends io.netty.handler.codec.ByteToMessageCodec<T>
    This codec converts with Jackson messages of type T to ByteBufs and vice versa.

    Make sure to declare the following dependency in your software when using this handler: 

     <dependency>
     <groupId>com.fasterxml.jackson.core</groupId>
     <artifactId>jackson-databind</artifactId>
 </dependency>

    • Nested Class Summary

      • Nested classes/interfaces inherited from interface io.netty.channel.ChannelHandler

        io.netty.channel.ChannelHandler.Sharable

    • Constructor Summary

      Constructors 
      Constructor Description
      JacksonCodec​(com.fasterxml.jackson.databind.ObjectMapper mapper, Class<T> clazz)  
      JacksonCodec​(Class<T> clazz)  

    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void decode​(io.netty.channel.ChannelHandlerContext ctx, io.netty.buffer.ByteBuf in, List<Object> out)  
      protected void encode​(io.netty.channel.ChannelHandlerContext ctx, T msg, io.netty.buffer.ByteBuf out)  

      • Methods inherited from class io.netty.handler.codec.ByteToMessageCodec

        acceptOutboundMessage, channelInactive, channelRead, channelReadComplete, decodeLast, handlerAdded, handlerRemoved, write

      • Methods inherited from class io.netty.channel.ChannelDuplexHandler

        bind, close, connect, deregister, disconnect, flush, read

      • Methods inherited from class io.netty.channel.ChannelInboundHandlerAdapter

        channelActive, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

      • Methods inherited from class io.netty.channel.ChannelHandlerAdapter

        ensureNotSharable, isSharable

    • Constructor Detail

      • JacksonCodec

        public JacksonCodec​(com.fasterxml.jackson.databind.ObjectMapper mapper,
                    Class<T> clazz)

      • JacksonCodec

        public JacksonCodec​(Class<T> clazz)

    • Method Detail

      • encode

        protected void encode​(io.netty.channel.ChannelHandlerContext ctx,
                      T msg,
                      io.netty.buffer.ByteBuf out)
               throws IOException
        Specified by:
        encode in class io.netty.handler.codec.ByteToMessageCodec<T>
        Throws:
        IOException

      • decode

        protected void decode​(io.netty.channel.ChannelHandlerContext ctx,
                      io.netty.buffer.ByteBuf in,
                      List<Object> out)
               throws IOException
        Specified by:
        decode in class io.netty.handler.codec.ByteToMessageCodec<T>
        Throws:
        IOException