/**

  * Back 2 Browser Bytecode Translator

  * Copyright (C) 2012 Jaroslav Tulach <jaroslav.tulach@apidesign.org>

  *

  * This program is free software: you can redistribute it and/or modify

  * it under the terms of the GNU General Public License as published by

  * the Free Software Foundation, version 2 of the License.

  *

  * This program is distributed in the hope that it will be useful,

  * but WITHOUT ANY WARRANTY; without even the implied warranty of

  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

  * GNU General Public License for more details.

  *

  * You should have received a copy of the GNU General Public License

  * along with this program. Look for COPYING file in the top folder.

  * If not, see http://opensource.org/licenses/GPL-2.0.

  */

 package org.apidesign.bck2brwsr.vmtest;

 import org.apidesign.bck2brwsr.launcher.Bck2BrwsrLauncher;

 /**

  *

  * @author Jaroslav Tulach <jtulach@netbeans.org>

  */

 final class Launcher {

     private final String sen;

     private Bck2BrwsrLauncher launcher;

     Launcher() {

         this(null);

     }

     Launcher(String sen) {

         this.sen = sen;

     }

     synchronized Bck2BrwsrLauncher clear() {

         Bck2BrwsrLauncher l = launcher;

         launcher = null;

         return l;

     }

     synchronized Bck2BrwsrLauncher.MethodInvocation addMethod(Class<?> clazz, String name) {

         if (launcher == null) {

             launcher = new Bck2BrwsrLauncher();

             launcher.setTimeout(180000);

             if (sen != null) {

                 launcher.setScriptEngineName(sen);

             }

         }

         return launcher.addMethod(clazz, name);

     }

     void exec() throws Exception {

         Bck2BrwsrLauncher l = clear();

         if (l != null) {

             l.execute();

         }

     }

 }