SocketPractice/java/MsgClient.java at master · congsun/SocketPractice

41 lines (35 loc) · 1.31 KB

// CS 6421 - Simple Message Board Client in Java

// T. Wood

// Compile with: javac MsgClient

// Run with: java MsgClient

// @author Cong Sun

// @Gwid G48099998

import java.io.IOException;

import java.io.PrintWriter;

import java.net.Socket;

import java.net.UnknownHostException;

public class MsgClient {

public static void main(String[] args) {

//System Argument should be [Host IP] [Port Number] [Message_Name] [Message_Content], check the count for the argument before try to run the program

if(args.length != 4){

System.out.println("argument number not corrent");

System.exit(-1);

}

//The First Argument is the Host IP

String host = args[0];

//The Second Argument is the Port Number

int portnum = Integer.parseInt(args[1]);

try{

//Create the socket object

Socket socket = new Socket(host,portnum);

//Create the PrintWriter object using the socket object

PrintWriter out = new PrintWriter(socket.getOutputStream(), true);

//Send [Message_Name] and a new line character

out.println(args[2]);

//Send [Message_Content]

out.println(args[3]);

}catch(Exception e){

System.out.println(e);

}

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