/**

 * 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();

        }

    }

}