/*
* 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 org.apache.synapse.core.axis2;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.ServerConfigurationInformation;
import org.apache.synapse.ServerConfigurationInformationFactory;
import org.apache.synapse.ServerManager;
import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
/**
* When Synapse is deployed on a WAR container, this is the init servlet that kicks off the
* Synapse instance, calling on the ServerManager
*/
public class SynapseStartUpServlet extends HttpServlet {
private static Log log = LogFactory.getLog(SynapseStartUpServlet.class);
private static final String ALREADY_INITED = "synapseAlreadyInited";
public static final String SYNAPSE_SERVER_MANAGER = "synapse.server.manager";
public void init() throws ServletException {
ServletConfig servletConfig = getServletConfig();
ServletContext servletContext = servletConfig.getServletContext();
if (Boolean.TRUE.equals(servletContext.getAttribute(ALREADY_INITED))) {
return;
}
ServerManager serverManager = new ServerManager();
ServerConfigurationInformation information =
ServerConfigurationInformationFactory.
createServerConfigurationInformation(servletConfig);
serverManager.init(information, null);
serverManager.start();
servletContext.setAttribute(ALREADY_INITED, Boolean.TRUE);
servletContext.setAttribute(SYNAPSE_SERVER_MANAGER, serverManager);
}
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
}
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
}
public void destroy() {
try {
Object o = getServletConfig().getServletContext().getAttribute(SYNAPSE_SERVER_MANAGER);
if (o != null && o instanceof ServerManager) {
ServerManager serverManager = (ServerManager) o;
serverManager.stop();
getServletContext().removeAttribute(ALREADY_INITED);
}
} catch (Exception e) {
log.error("Error stopping the Synapse listener manager", e);
}
}
}