Package org.drasyl.handler.codec

Class JacksonCodec<T>

java.lang.Object
io.netty.channel.ChannelHandlerAdapter
io.netty.channel.ChannelInboundHandlerAdapter
io.netty.channel.ChannelDuplexHandler
io.netty.handler.codec.ByteToMessageCodec<T>
org.drasyl.handler.codec.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

    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

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

  • Constructor Details

    • JacksonCodec

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

    • JacksonCodec

      public JacksonCodec(Class<T> clazz)

  • Method Details

    • 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