org.apache.mina.example.sumup.codec
Class AbstractMessageDecoder

java.lang.Object
  org.apache.mina.example.sumup.codec.AbstractMessageDecoder

All Implemented Interfaces:

MessageDecoder

Direct Known Subclasses:

AddMessageDecoder, ResultMessageDecoder

public abstract class AbstractMessageDecoder
extends java.lang.Object
implements MessageDecoder

A MessageDecoder that decodes message header and forwards the decoding of body to a subclass.

Author:

Apache MINA Project

Field Summary

Fields inherited from interface org.apache.mina.filter.codec.demux.MessageDecoder

NEED_DATA, NOT_OK, OK

Constructor Summary

protected

AbstractMessageDecoder(int type)

Method Summary

MessageDecoderResult	decodable(IoSession session, IoBuffer in)
MessageDecoderResult	decode(IoSession session, IoBuffer in, ProtocolDecoderOutput out)
protected abstract AbstractMessage	decodeBody(IoSession session, IoBuffer in)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.mina.filter.codec.demux.MessageDecoder

finishDecode

Constructor Detail

AbstractMessageDecoder

protected AbstractMessageDecoder(int type)

Method Detail

decodable

public MessageDecoderResult decodable(IoSession session,
                                      IoBuffer in)

Specified by:

decodable in interface MessageDecoder

decode

public MessageDecoderResult decode(IoSession session,
                                   IoBuffer in,
                                   ProtocolDecoderOutput out)
                            throws java.lang.Exception

Specified by:

decode in interface MessageDecoder

Throws:

java.lang.Exception

decodeBody

protected abstract AbstractMessage decodeBody(IoSession session,
                                              IoBuffer in)

Returns:

null if the whole body is not read yet