/*
 * Copyright © 2016-2018 European Support Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.onap.config.impl;

import static org.onap.config.Constants.MBEAN_NAME;

import java.lang.management.ManagementFactory;
import javax.management.ObjectName;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.annotation.WebListener;
import org.onap.config.api.ConfigurationManager;

@WebListener
public class ContextListener implements ServletContextListener {

    @Override
    public void contextInitialized(ServletContextEvent arg0) {
        ConfigurationManager.lookup();
    }

    @Override
    public void contextDestroyed(ServletContextEvent arg0) {
        try {
            ManagementFactory.getPlatformMBeanServer().unregisterMBean(new ObjectName(MBEAN_NAME));
        } catch (Exception exception) {
            exception.printStackTrace();
        }
    }
}