io.netty5.handler.codec.bytes

public Class ByteArrayDecoder

Class Inheritance

java.lang.Object
io.netty5.channel.ChannelHandlerAdapter
io.netty5.handler.codec.MessageToMessageDecoder
io.netty5.handler.codec.bytes.ByteArrayDecoder

Imports

io.netty5.buffer.Buffer, io.netty5.channel.ChannelHandlerContext, .ChannelPipeline, io.netty5.handler.codec.LengthFieldPrepender, .MessageToMessageDecoder

Decodes a received Buffer into an array of bytes. A typical setup for TCP/IP would be:

ChannelPipeline pipeline = ...;

// Decoders
pipeline.addLast("frameDecoder",
                 new LengthFieldBasedFrameDecoder(1048576, 0, 4, 0, 4));
pipeline.addLast("bytesDecoder",
                 new ByteArrayDecoder());

// Encoder
pipeline.addLast("frameEncoder", new LengthFieldPrepender(4));
pipeline.addLast("bytesEncoder", new ByteArrayEncoder());

and then you can use an array of bytes instead of a Buffer as a message:

void channelRead(ChannelHandlerContext ctx, byte[] bytes) {
    ...
}

Constructor Summary

Access	Constructor and Description
public	ByteArrayDecoder()

Method Summary

Modifier and Type	Method and Description
protected void	decode(ChannelHandlerContext the `ChannelHandlerContext` which this `MessageToMessageDecoder` belongs to ctx, Buffer the message to decode to another one msg) Overrides io.netty5.handler.codec.MessageToMessageDecoder.decode. Decode from one message to another.

Inherited from io.netty5.handler.codec.MessageToMessageDecoder:: acceptInboundMessage channelRead decodeAndClose

Constructor Detail

ByteArrayDecoder	back to summary
public ByteArrayDecoder()

Method Detail

decode back to summary

decode	back to summary
protected void decode(ChannelHandlerContext ctx, Buffer msg) throws Exception Overrides io.netty5.handler.codec.MessageToMessageDecoder.decode. Doc from io.netty5.handler.codec.MessageToMessageDecoder.decode. Decode from one message to another. This method will be called for each written message that can be handled by this decoder. The message will be disposed of after this call. Subclasses that wish to sometimes pass messages through, should instead override the `decodeAndClose(ChannelHandlerContext, Object)` method. Parameters ctx:ChannelHandlerContext the `ChannelHandlerContext` which this `MessageToMessageDecoder` belongs to msg:Buffer the message to decode to another one Annotations @Override Exceptions Exception: is thrown if an error occurs

protected void decode(ChannelHandlerContext ctx, Buffer msg) throws Exception

Overrides io.netty5.handler.codec.MessageToMessageDecoder.decode.

Doc from io.netty5.handler.codec.MessageToMessageDecoder.decode.

Decode from one message to another. This method will be called for each written message that can be handled by this decoder.

The message will be disposed of after this call.

Subclasses that wish to sometimes pass messages through, should instead override the decodeAndClose(ChannelHandlerContext, Object) method.

Parameters

ctx:ChannelHandlerContext: the ChannelHandlerContext which this MessageToMessageDecoder belongs to
msg:Buffer: the message to decode to another one

Annotations

@Override

Exceptions

Exception:: is thrown if an error occurs