message.java

实现多人即时聊天

import java.sql.*;  //继承了java.util.Date
import java.io.Serializable;
import java.sql.Timestamp;

//date.toLocaleString()方法has been deprecated
class Message implements Serializable{
	String fromName;
	String toName;
	String msg="";
	Date date=null;		//是msg对应的时间
	String strdate; 	//date的字符串表示
	String strLocaledate;	//date的本地字符串表示

	private Message(String fromName,String toName){
		this.fromName=fromName;
		this.toName=toName;
	}//Message(String fromName,String toName)

	public Message(String fromName,String toName,String msg,long date){
		this(fromName,toName);
		this.msg=msg;
		this.date=new Date(date);
		this.strLocaledate=this.date.toLocaleString();
		this.strdate=this.date.toGMTString();

	}//public Message(String fromName,String toName,String msg,long date)

	public Message(String fromName,String toName,String msg,String date){
		this(fromName,toName);
		this.msg=msg;		
		this.date=new Date(Date.parse(date));
		this.strdate=this.date.toGMTString();
		this.strLocaledate=this.date.toLocaleString();

	}//public Message(String fromName,String toName,String msg,long date)



	public void setMsg(String msg){
		this.msg=msg;
	}

	public void setDate(long date){
		this.date=new Date(date);
	}


	public void setFromName(String fromName){
		this.fromName=fromName;
	}


	public String getfromName(){
		return fromName;
	}

	public String gettoName(){
		return toName;
	}

	public String getMsg(){
		return msg;
	}


	public Date getDate(){
		return date;
	}



	public String getstrDate(){
		return strdate;
	}



	public String getstrLocaleDate(){
		return strLocaledate;
	}


/*********************下面两个方法用于对PublicMessage进行调试的**************************/
	public void display(){
		System.out.println("发送者:      "+fromName);
		System.out.println("接收者:      "+toName);
		System.out.println("信息内容:    "+msg);
		System.out.println("时间:        "+date.toLocaleString());
		//System.out.println("时间:        "+date.toGMTString());
	}//public void display()

public static void main(String args[]){	
	new Message("SunMicrosystem","Java","Java is birthed at 1995.5.23",System.currentTimeMillis()).display();
}//public static void main(String args[])

/*********************上面两个方法用于对PublicMessage进行调试的**************************/

}//class Message