alerta_user(pop-up,consola,fisier).c

package pack;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class consola extends Display {

@Override
public void display() {
try{
BufferedReader in=new BufferedReader(new InputStreamReader(System.in));
System.out.println("Dati mesaj:");
String mesaj=in.readLine();
System.out.println(mesaj);
} catch (IOException e) {
System.out.println(("Eroare la citire"));
e.printStackTrace();
}
}
}

package pack;

public class Control {

public  Display getDisplay(String type){

if(type.equals("consola"))

return new consola();

else{

if(type.equals("fisier"))

return new fisier();

else 

return new popup();

}

}

}

package pack;

public abstract class Display {

public abstract void display();

}

package pack;

import java.io.*;

public class fisier extends Display {

@Override

public void display() {

String mesaj=null;

try{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Dati mesajul" );

mesaj=in.readLine();

}catch(Exception e){

System.out.println("Exceptie la citire");

}

try{

PrintWriter t=new PrintWriter(new FileWriter("fisiere.txt"));

t.print(mesaj);

t.close();

}catch(IOException e){

System.out.println("IO Exception");

System.exit(0);

}

}

}

package pack;

import java.awt.Label;

import java.io.BufferedReader;

import java.io.IOException;

import java.io.InputStreamReader;

import javax.swing.*;

public class popup extends Display {

public void display() {

String mesaj=null;

try{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

System.out.println("Dati mesaj: ");

mesaj=in.readLine();

System.out.println(mesaj);

} catch (IOException e) {

System.out.println(("Eroare la citire"));

e.printStackTrace();

}

JFrame frame=new JFrame("pop-up");

frame.add(new Label(mesaj));

frame.setSize(200,200);

frame.setVisible(true);

}

}

package pack;

import java.io.*;

public class Test {

/**

* @param args

*/

public static void main(String[] args) {

Control factory=new Control();

String i=null;

try{

BufferedReader in=new BufferedReader(new InputStreamReader(System.in));

System.out.println("1-consola, 2-fisier,3-popup");

i=in.readLine();

} catch (IOException e) {

System.out.println(("Eroare la citire"));

e.printStackTrace();

}

Display a;

if(i.equals("1")){

a=factory.getDisplay("consola");

a.display();}

else

if(i.equals("2")){

a=factory.getDisplay("fisier");

a.display();

}

else{

a=factory.getDisplay("popup");

a.display();

}

}

}