dubbo-remoting/dubbo-remoting-http/src/main/java/com/alibaba/dubbo/remoting/http/servlet/BootstrapListener.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 com.alibaba.dubbo.remoting.http.servlet;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

/**
 * This class must be defined before something like spring's ContextLoaderListener in web.xml
 *
 */
public class BootstrapListener implements ServletContextListener {

    @Override
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        ServletManager.getInstance().addServletContext(ServletManager.EXTERNAL_SERVER_PORT, servletContextEvent.getServletContext());
    }

    @Override
    public void contextDestroyed(ServletContextEvent servletContextEvent) {
        ServletManager.getInstance().removeServletContext(ServletManager.EXTERNAL_SERVER_PORT);
    }
}