/**

  * 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 java.io.IOException;

 import org.apidesign.bck2brwsr.launcher.Bck2BrwsrLauncher;

 import org.apidesign.bck2brwsr.launcher.JSLauncher;

 import org.apidesign.bck2brwsr.launcher.MethodInvocation;

 /**

  *

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

  */

 final class Launcher {

     private final String sen;

     private Object launcher;

     Launcher() {

         this(null);

     }

     Launcher(String sen) {

         this.sen = sen;

     }

     synchronized Object clear() {

         Object l = launcher;

         launcher = null;

         return l;

     }

     synchronized MethodInvocation addMethod(Class<?> clazz, String name) throws IOException {

         if (launcher == null) {

             if (sen != null) {

                 JSLauncher js = new JSLauncher();

                 js.addClassLoader(clazz.getClassLoader());

                 js.initialize();

                 launcher = js;

             } else {

                 Bck2BrwsrLauncher l = new Bck2BrwsrLauncher();

                 l.setTimeout(180000);

                 launcher = l;

             }

         }

         if (launcher instanceof JSLauncher) {

             return ((JSLauncher)launcher).addMethod(clazz, name);

         } else {

             return ((Bck2BrwsrLauncher)launcher).addMethod(clazz, name);

         }

     }

     void exec() throws Exception {

         Object l = clear();

         if (l instanceof Bck2BrwsrLauncher) {

             ((Bck2BrwsrLauncher)l).execute();

         }

     }

 }