/**

 * 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.htmlpage;

import java.lang.reflect.Method;

import java.util.logging.Level;

import java.util.logging.Logger;

/** Represents callback from Knockout.js to Java.

 *

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

 */

public final class KOFunction {

    private static final Logger LOG = Logger.getLogger(KOFunction.class.getName());

    private final Object model;

    private final Method method;

    KOFunction(Object model, String method) throws NoSuchMethodException {

        this.method = model.getClass().getDeclaredMethod(method, Object.class, Object.class);

        this.method.setAccessible(true);

        this.model = model;

    }

    public void call(Object data, Object ev) {

        try {

            this.method.invoke(model, data, ev);

        } catch (Throwable ex) {

            LOG.log(Level.SEVERE, "Can't call " + method + " on " + model, ex);

        }

    }

}