| New file | 
 |  |  | 
 |  |  | package com.dy.testClient.tcpClient; | 
 |  |  |  | 
 |  |  | import com.dy.common.util.ByteUtil; | 
 |  |  | import org.apache.logging.log4j.LogManager; | 
 |  |  | import org.apache.logging.log4j.Logger; | 
 |  |  | import org.apache.mina.core.buffer.IoBuffer; | 
 |  |  | import org.apache.mina.core.session.IoSession; | 
 |  |  | import org.apache.mina.filter.codec.CumulativeProtocolDecoder; | 
 |  |  | import org.apache.mina.filter.codec.ProtocolDecoderOutput; | 
 |  |  |  | 
 |  |  | import java.io.IOException; | 
 |  |  |  | 
 |  |  | public class LocalDecoder extends CumulativeProtocolDecoder { | 
 |  |  |  | 
 |  |  |     private static final Logger log = LogManager.getLogger(LocalDecoder.class) ; | 
 |  |  |  | 
 |  |  |     private static final String DECODER_STATE_KEY = LocalDecoder.class.getName() + ".STATE"; | 
 |  |  |  | 
 |  |  |     public static final int MAX_SIZE = 2147483647 ; | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 对网络传输来的数据进行解码 | 
 |  |  |      */ | 
 |  |  |     protected boolean doDecode(IoSession session, IoBuffer in, ProtocolDecoderOutput out) throws IOException, Exception{ | 
 |  |  |         int remain = in.remaining() ; | 
 |  |  |         if(remain > 0){ | 
 |  |  |             byte[] preByte = new byte[remain]; | 
 |  |  |             in.get(preByte) ; | 
 |  |  |             in.position(0) ; | 
 |  |  |             log.info("收到中心下行数据:" + ByteUtil.bytes2Hex(preByte, true)); | 
 |  |  |         } | 
 |  |  |         return true; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  | } |