/**

 * 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.vm4brwsr;

import org.apidesign.bck2brwsr.core.JavaScriptBody;

/**

 *

 * @author tom

 */

public class Exceptions {

    private Exceptions() {

    }

    public static int methodWithTryCatchNoThrow() {

        int res = 0;

        try {

            res = 1;

        } catch (IllegalArgumentException e) {

            res = 2;

        }

        //join point

        return res;

    }

    public static int methodWithTryCatchThrow() {

        int res = 0;

        try {

            res = 1;

            throw new IllegalArgumentException();

        } catch (IllegalArgumentException e) {

            res = 2;

        }

        //join point

        return res;

    }

    @JavaScriptBody(args = "msg", body = "throw msg;")

    public static void thrw(String msg) {}

    public static String catchThrowableCatchesAll() {

        try {

            thrw("Hello!");

            return "Not here!";

        } catch (Throwable ex) {

            return ex.getMessage();

        }

    }

    public static String newInstance(String n) {

        try {

            Class c;

            try {

                c = Class.forName(n);

            } catch (ClassNotFoundException ex) {

                return ("CNFE:" + ex.getMessage()).toString();

            }

            return c.newInstance().getClass().getName();

        } catch (InstantiationException | IllegalAccessException ex) {

            return ex.getMessage();

        }

    }

    private static int counter;

    public static int readCounter(String n) throws ClassNotFoundException {

        try {

            Class.forName(n);

        } finally {

            counter++;

        }

        return counter;

    }

}