/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2010-2016, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.richfaces.tests.metamer;

import java.util.Locale;

import javax.faces.event.PostConstructApplicationEvent;
import javax.faces.event.SystemEvent;
import javax.faces.event.SystemEventListener;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

/**
 * Sets up default locale to Locale.US.
 */
public class DefaultLocaleInitializer implements SystemEventListener, ServletContextListener {

    private boolean initialized = false;

    @Override
    public void contextDestroyed(ServletContextEvent sce) {
    }

    @Override
    public void contextInitialized(ServletContextEvent sce) {
        initialize();
    }

    private void initialize() {
        if (!initialized) {
            Locale.setDefault(Locale.US);
            initialized = true;
        }
    }

    @Override
    public boolean isListenerForSource(Object source) {
        return true;
    }

    @Override
    public void processEvent(SystemEvent event) {
        if (event instanceof PostConstructApplicationEvent) {
            initialize();
        }
    }
}