{filelink=940}

import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import javax.script.Invocable;

interface Calcul
{
  int add(int a, int b);
  int sous(int a, int b);
  int multi(int a, int b);
  int divi(int a, int b);
}

public class ExempleInvocation
{

  public static void main(String[] args) throws Exception
  {
    ScriptEngineManager manager = new ScriptEngineManager();
    ScriptEngine moteur = manager.getEngineByName("js");
    // Scripte Interne
    moteur.eval("function add (a, b) {c = a + b; return c; }function sous (a, b) {c = a - b; return c; }function multi (a, b) {c = a * b; return c; }function divi (a, b) {c = a / b; return c; }");
    Invocable jsInvoke = (Invocable) moteur;

    Object resultat = jsInvoke.invokeFunction("add", new Object[] { 15, 36 });
    System.out.println("Adition Interne: "+resultat);

    // ExempleInvocation des Méthodes de l'interface 'Calcul'
    Calcul calcul = jsInvoke.getInterface(Calcul.class);
    int resultatInterf = calcul.add(15, 36);
    System.out.println("Adition: "+resultatInterf);

	resultatInterf = calcul.sous(36, 15);
    System.out.println("Soustraction: "+ resultatInterf);

	resultatInterf = calcul.multi(15, 36);
    System.out.println("Multiplication: "+resultatInterf);

	resultatInterf = calcul.divi(36, 15);
    System.out.println("Division: "+ resultatInterf);
  }
}
/*
  Adition Interne: 51.0
  Adition: 51
  Soustraction: 21
  Multiplication: 540
  Division: 2
*/