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filter licenser servlet 加载顺序

web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
</welcome-file-list>

<listener>
   <listener-class>
    com.huawei.forest.CallQueueLisener
    </listener-class>
</listener>

<servlet>
     <servlet-name>loginServlet</servlet-name>
     <servlet-class>com.huawei.forest.LoginServlet</servlet-class>
     <load-on-startup>0</load-on-startup>
</servlet>
<servlet-mapping>
    <servlet-name>loginServlet</servlet-name>
    <url-pattern>/login</url-pattern>
</servlet-mapping>

<filter>
     <filter-name>auditFilter</filter-name>
     <filter-class>com.huawei.forest.AuditFilter</filter-class>
</filter>

<filter-mapping>
      <filter-name>auditFilter</filter-name>
      <url-pattern>*.do</url-pattern>
</filter-mapping>

</web-app>

LoginServlet.java

package com.huawei.forest;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class LoginServlet extends HttpServlet {

/**
*
*/
private static final long serialVersionUID = 1L;

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
   throws ServletException, IOException {
  // TODO Auto-generated method stub
  super.doGet(req, resp);
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
   throws ServletException, IOException {
  String username = req.getParameter("username");
  String password = req.getParameter("password");
  resp.setContentType("text/html;charset=gb2312");
  PrintWriter out = resp.getWriter();
  out.print("<html><body>");
  if (username.equals("admin") && password.equals("admin"))
  {
   out.print(" you login in successful!..."+username);
  }
  else
  {
   out.print(" sorry,you login failed!..."+username);
  }
  out.print("</body></html>");

}

@Override
public void init() throws ServletException {
// TODO Auto-generated method stub
System.out.println("The servlet is init.....");
}

}

AuditFilte.java

package com.huawei.forest;

import java.io.IOException;
import java.util.Date;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;

public class AuditFilter implements Filter{

private FilterConfig config;
public void destroy() {
// TODO Auto-generated method stub
this.config= null;
}

public void doFilter(ServletRequest request, ServletResponse response,
   FilterChain chain) throws IOException, ServletException {
//  HttpServletRequest httpRequest = (HttpServletRequest)request;
//  String username = httpRequest.getRemoteUser();
  System.out.println("The request will be filted.....");
//  if (username !=null)
//  {
//   config.getServletContext().log("User:"+username+"\nTime:"+new Date());
//  }
//  chain.doFilter(httpRequest, response);
}

public void init(FilterConfig arg0) throws ServletException {
// TODO Auto-generated method stub
System.out.println("the filter is starting.......");
}

}

callqueuelicenser.java

package com.huawei.forest;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.Timer;

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

public class CallQueueLisener implements ServletContextListener{

public void contextDestroyed(ServletContextEvent sce) {
System.out.println("The listener is destroying.........");
}

public void contextInitialized(ServletContextEvent sce) {
  System.out.println("The listener is starting.........");

//  try {
//   InputStream inputFile = this.getClass().getClassLoader().getResourceAsStream("vpn.properties");
//   System.out.println(inputFile.toString());
//   Properties pro=new Properties();
//   pro.load(inputFile);
//   inputFile.close();
//   System.out.println(pro.getProperty("seeLocation"));
//
//   File f =new File("vpn.properties");
//   if (f.exists())
//   {
//    System.out.println("0000000");
//    f.delete();
//   }
//   FileOutputStream fos =new FileOutputStream("1234.properties");
//
//
//   pro.setProperty("NewFile", "----------------------");
//   System.out.println(pro.getProperty("seeLocation"));
//   pro.store(fos, null);
//   fos.flush();
//      fos.close();
//
//  } catch (FileNotFoundException e1) {
//   // TODO Auto-generated catch block
//   System.out.println("------------------------");
//   e1.printStackTrace();
//  } catch (IOException e) {
//   // TODO Auto-generated catch block
//   e.printStackTrace();
//  }
//
//  Timer timer = new Timer();
//  timer.scheduleAtFixedRate(new MyTask(), 0, 1000);

}

}

index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head><title>This is just a test jsp...</title></head>
<script type="text/javascript">
    window.onbeforeunload = onbeforeunload_handler;
    window.onunload = onunload_handler;
    function onbeforeunload_handler(){     //监听IE关闭时间
        var warning="确认退出?";
        return warning;
        var n = window.event.screenX - window.screenLeft;
        var b = n > document.documentElement.scrollWidth-20;
        if(b && window.event.clientY < 0 || window.event.altKey){
        alert("是关闭而非刷新");
      window.event.returnValue = "";       }else{
        alert("是刷新而非关闭");

    }

   function onunload_handler(){
        var warning="谢谢光临";
        alert(warning);
    }

</script>

<body>
  <a>This jsp is to test the IE lisener.....</a>
  <form action="login" method="post">
      <table>
        <td><input type="text" name="username" size=15/></td>
        <td><input type="password" name="password" size=15/></td>
        <input type="submit" value="login"/>
        <input type="reset" value="cancel"/>
      </table>
  </form>
</body>
</html>

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Jquery -章节1 | Forestjava

2012-02-15 00:47
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分类:Web前端
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1 楼 sai.van 2012-02-25

牛
b
啊！

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