servletcontainerlistener.java

用jbuilder写的源程序

/**
 * Copyright 2003-2006 the original author or authors.
 * 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 com.jdon.container.startup;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;
import javax.servlet.http.HttpSessionEvent;

import com.jdon.container.config.app.AppConfigureCollection;
import com.jdon.util.Debug;
import com.jdon.util.StringUtil;

/**
 * Bootstrap listener to start up Jdon Framework 
 * it delegates to ContainerSetupScript 
 * 
 * setup web.xml
 *  <listener>
        <listener-class>com.jdon.container.startup.ServletContainerListener</listener-class>
    </listener>

 * @author banq
 */
public class ServletContainerListener implements ServletContextListener, Serializable {

  public final static String module = ServletContainerListener.class.getName();

  private ContainerSetupScript css = new ContainerSetupScript();

  public void contextInitialized(ServletContextEvent event) {
    ServletContext context = event.getServletContext();
    css.initialized(context);    
    Debug.logVerbose("[JdonFramework]contextInitialized", module);
    
    String app_configFile = context.getInitParameter(AppConfigureCollection.CONFIG_NAME);
    String[] configs = StringUtil.split(app_configFile, ",");
    for(int i = 0 ; i < configs.length; i ++){
      Debug.logVerbose("[JdonFramework] locate a configuration in web.xml :" + configs[i], module);
      css.prepare(configs[i], context);       
    }    
    Debug.logVerbose("[JdonFramework]ServletContainerListener is preparing...", module);
  
  }

  public void contextDestroyed(ServletContextEvent event) {
    ServletContext context = event.getServletContext();
    css.destroyed(context);

  }

  public void sessionCreated(HttpSessionEvent event) {

  }

  public void sessionDestroyed(HttpSessionEvent event) {
  }

}