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java NIO 聊天室练习程序 下载 |
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发表于 2012-12-5 20:28:02
其它程序请下载!!)package com.tcl.chat;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.net.InetSocketAddress;import java.nio.ByteBuffer;import java.nio.channels.SocketChannel;import java.util.logging.Level;import java.util.logging.Logger;import com.tcl.chat.impl.ChatRecordStorageImpl;public class ChatClient implements Runnable{ private Logger log = Logger.getLogger(ChatClient.class.getName()); SocketChannel mChannel; boolean bRunFlag = true; private boolean bIsInit = false; String mHostname; int mPort; private ChatRecordStorage mChatStorage = new ChatRecordStorageImpl(); public ChatClient(String host,int port){ mHostname = host; mPort = port; } private static final int TRY_TIMES = 3; public void init() throws IOException{ mChannel = SocketChannel.open(); mChannel.configureBlocking(false); mChannel.connect(new InetSocketAddress(mHostname,mPort)); int i = 0; boolean error = false; while (!mChannel.finishConnect() ) { if (i >= TRY_TIMES) { error = true; break; } i++; // try { Thread.sleep(200); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } if (error) { throw new IOException("连接错误，稍后再试"); } bIsInit = true; } @Override public void run() { try { init(); } catch (IOException e) { e.printStackTrace(); System.exit(0); } if (!bIsInit) { throw new RuntimeException("not init"); } ByteBuffer buffer = ByteBuffer.allocate(1024); KeyBordReader kbr = new KeyBordReader(); new Thread(kbr).start();//阻塞方式的读 while (bRunFlag) { buffer.clear(); StringBuffer sb = new StringBuffer(); int num; try { Thread.sleep(500); while((num = mChannel.read(buffer)) > 0){ sb.append(new String(buffer.array(),0,num)); buffer.clear(); } if (sb.length() > 0 ) { log.log(Level.INFO,"Client Recerive:" + sb.toString()); } if (sb.toString().toLowerCase().trim().equals("bye")) { mChannel.close(); kbr.close(); bRunFlag = false; System.exit(0); //退出 } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (InterruptedException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } public static void main(String[] args) { int port = 10003; new Thread(new ChatClient("localhost", port)).start(); } class KeyBordReader implements Runnable{ public KeyBordReader(){ } private boolean bRunFlag = true; public void close(){ bRunFlag = false; } @Override public void run() { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); while (this.bRunFlag) { //System.out.println(TIP); try { String str = reader.readLine().trim(); if (str == null) { continue; } if (!str.startsWith("@")) { System.out.println("must begin with @"); continue; }else if (str.equals("@help")) { System.out.println(TIP); }else if (str.equals("@exit")) { System.exit(0); } mChannel.write(ByteBuffer.wrap(str.getBytes())); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } } } private static String TIP = "" + "@pub to send public message\n" + "@xxx to send private message \n" + "@exit to exit client\n" + "@quit to quit from server\n" + "@listmember to list members"; }