// minister.java, by jeffery
// abstract the questioning of the ruler
// use Swing if available, else console.
import javax.swing.*;
import java.io.*;

public class minister {
    boolean use_swing;
    BufferedReader in;

    public int ask(String prompt) {
	int i=0;
	if (use_swing) {
	    return Integer.parseInt(JOptionPane.showInputDialog(null,prompt));
	} else {
	    System.out.println(prompt);
	    try {
		i = Integer.parseInt(in.readLine());
	    } catch (IOException e) {
	   	System.out.println("can't read: ");
	    }
	    return i;
	}
    }

    public void tell(String s) {
	if (use_swing) {
	    JOptionPane.showMessageDialog(null, s);
	} else {
	    System.out.println(s);
	}
    }

    public minister() {
	use_swing = true;
	try {
	    JOptionPane.showMessageDialog(null,
					  "Minister says we are swinging");
	} catch (java.lang.OutOfMemoryError e) {
	    System.out.println("Minister says oh joy, let's use the console.");
	    use_swing = false;
	} catch (Exception e) {
	    System.out.println("Minister says we are using the console.");
	    use_swing = false;
	}
      in = new BufferedReader(new InputStreamReader(System.in));
   }
}