netclient.java

java编写的聊天室

package com.java.study.net;

import java.io.IOException;
import java.io.OutputStream;
import java.io.InputStream;
import java.io.PrintWriter;
import java.net.Socket;
import java.util.Scanner;
import java.net.InetAddress;

public class NetClient {
	public NetClient(String name,String address,int port)throws IOException{
			this.name = name;
			connSocket = new Socket(address,port);
			InputStream inStream = connSocket.getInputStream();
			Scanner inScanner = new Scanner(inStream);
			
		/*	while(inScanner.hasNextLine()){
					String sz = inScanner.nextLine();
					System.out.println(sz);
			}
			*/
			
	}
	public NetClient(String name,InetAddress address,int port)throws IOException{
		this.name = name;
		connSocket = new Socket(address,port);
		InputStream inStream = connSocket.getInputStream();
		Scanner inScanner = new Scanner(inStream); 
				
}
	
	public boolean SendMessage(String message) throws IOException{
			if(connSocket == null) new NullPointerException("connSocket is null");
			outStream  = connSocket.getOutputStream();
			String newMessage = null;
			newMessage = name + split + message;
			PrintWriter outWriter = new PrintWriter(outStream,true);
			outWriter.println(newMessage);
			return true;
	}
	
	
	public void CloseSocket() throws IOException{
		 	if(connSocket.isClosed()){
		 		return ;
		 	}
		 	connSocket.close();
	}
	
	private String 			name;
	private String			split = "*";
	private OutputStream	outStream  = null;	 
	private Socket 			connSocket = null;
}