| New file | 
 |  |  | 
 |  |  | package com.dy.pipIrrMwTestRtu.tcpClient; | 
 |  |  |  | 
 |  |  | import com.dy.common.util.Callback; | 
 |  |  | import org.apache.mina.core.future.ConnectFuture; | 
 |  |  | import org.apache.mina.core.session.IoSession; | 
 |  |  | import org.apache.mina.filter.codec.ProtocolCodecFilter; | 
 |  |  | import org.apache.mina.transport.socket.SocketConnector; | 
 |  |  | import org.apache.mina.transport.socket.nio.NioSocketConnector; | 
 |  |  |  | 
 |  |  | import java.net.InetSocketAddress; | 
 |  |  |  | 
 |  |  | public class TcpConnect { | 
 |  |  |  | 
 |  |  |      /** | 
 |  |  |      * 判断会话是否有效 | 
 |  |  |      * @param se 网络会话 | 
 |  |  |      * @return 是否连接 | 
 |  |  |      */ | 
 |  |  |     public boolean isConnected(IoSession se) { | 
 |  |  |         return (se != null && se.isConnected()); | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 创建新会话 | 
 |  |  |      * @param host 服务器URI | 
 |  |  |      * @param port 服务器端口 | 
 |  |  |      * @param connectTimeout 连接超时时长 | 
 |  |  |      * @param handler 数据处理者 | 
 |  |  |      * @param callback 回调 | 
 |  |  |      * @return 网络会话 | 
 |  |  |      */ | 
 |  |  |     public void createSession(String host , | 
 |  |  |                                int port , | 
 |  |  |                                int connectTimeout , | 
 |  |  |                                TcpHandler handler, | 
 |  |  |                                Callback callback) throws Exception{ | 
 |  |  |         SocketConnector connector = new NioSocketConnector(); | 
 |  |  |         connector.getFilterChain().addLast("codec", new ProtocolCodecFilter(new LocalCodecFactory())); | 
 |  |  |         connector.setHandler(handler); | 
 |  |  |         ConnectFuture connectFuture = connector.connect(new InetSocketAddress(host, port)); | 
 |  |  |         connectFuture.awaitUninterruptibly(connectTimeout); | 
 |  |  |         IoSession se = connectFuture.getSession(); | 
 |  |  |         callback.call(se) ; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |  | 
 |  |  |     /** | 
 |  |  |      * 关闭会话联接 | 
 |  |  |      * @param se | 
 |  |  |      * @param connectTimeout | 
 |  |  |      */ | 
 |  |  |     public void disconnect(IoSession se , int connectTimeout) { | 
 |  |  |         if (se != null) { | 
 |  |  |             try{ | 
 |  |  |                 se.closeNow().awaitUninterruptibly(connectTimeout); | 
 |  |  |             }catch(Exception e){ | 
 |  |  |             }finally{ | 
 |  |  |                 se = null; | 
 |  |  |             } | 
 |  |  |         } | 
 |  |  |     } | 
 |  |  | } |