userdataio.java

来自「Typing fingers Typing programme」· Java 代码 · 共 40 行

import java.io.*;
import java.awt.Frame;

/**	This class receives an object of UserData to save it on the disk.
*	Also has a method that reads objects from the disk.
*/

class UserDataIO{

	public static void writeObject(UserData data){
		String path=System.getProperty("user.dir");
		File file=new File(path+"/"+data.getName()+".rizi");
		try{
			FileOutputStream fos=new FileOutputStream(file);
			ObjectOutputStream oos=new ObjectOutputStream(fos);
			oos.writeObject(data);
			fos.close();
			oos.close();
		}
		catch(Exception e){
			System.out.println("Exception:"+e);
		}
	}
	public static UserData readObject(String name){
		UserData data=null;
		String path=System.getProperty("user.dir");
		File file=new File(path+"/"+name+".rizi");
		try{
			FileInputStream fis=new FileInputStream(file);
			ObjectInputStream ois=new ObjectInputStream(fis);
			data=(UserData)ois.readObject();
			fis.close();
			ois.close();
		}
		catch(Exception e){
			System.out.println("Exception:"+e);
		}
		return data;
	}
}