org.eclipse.scada.protocol.ngp.common.mc.frame

Class FrameDecoder

java.lang.Object

org.apache.mina.filter.codec.ProtocolDecoderAdapter

org.apache.mina.filter.codec.CumulativeProtocolDecoder

org.eclipse.scada.protocol.ngp.common.mc.frame.FrameDecoder

All Implemented Interfaces:

ProtocolDecoder

public class FrameDecoder
extends CumulativeProtocolDecoder

Constructor Summary

Constructors

Constructor and Description
FrameDecoder()

Method Summary

Methods

Modifier and Type	Method and Description
protected boolean	doDecode(IoSession session, IoBuffer data, ProtocolDecoderOutput output) Implement this method to consume the specified cumulative buffer and decode its content into message(s).

Methods inherited from class org.apache.mina.filter.codec.CumulativeProtocolDecoder

decode, dispose

Methods inherited from class org.apache.mina.filter.codec.ProtocolDecoderAdapter

finishDecode

Methods inherited from class java.lang.Object

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

Constructor Detail

FrameDecoder

public FrameDecoder()

Method Detail

doDecode

protected boolean doDecode(IoSession session,
               IoBuffer data,
               ProtocolDecoderOutput output)
                    throws Exception

Description copied from class: CumulativeProtocolDecoder

Implement this method to consume the specified cumulative buffer and decode its content into message(s).

Specified by:

doDecode in class CumulativeProtocolDecoder

data - the cumulative buffer

Returns:

true if and only if there's more to decode in the buffer and you want to have doDecode method invoked again. Return false if remaining data is not enough to decode, then this method will be invoked again when more data is cumulated.

Throws:

Exception - if cannot decode in.