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Java CSS JSP Tomcat Cache

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <title>My JSP 'index.jsp' starting page</title>
  <meta http-equiv="pragma" content="no-cache">
  <meta http-equiv="cache-control" content="no-cache">
  <meta http-equiv="expires" content="0">
  <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
  <meta http-equiv="description" content="This is my page">
  
</head>

<body>

  <%
   sun.misc.BASE64Decoder decoder = new sun.misc.BASE64Decoder();
   boolean authenticated = false;
   String authorization = request.getHeader("authorization");
   System.out.println("authorization:" + authorization);
   if (authorization != null) {
    if (authorization.startsWith("Basic")) {
     authorization = authorization.substring(authorization
     .indexOf(' ') + 1);
     byte[] bytes = decoder.decodeBuffer(authorization);
     authorization = new String(bytes);
     String userName = authorization.substring(0, authorization
     .indexOf(':'));
     String password = authorization.substring(authorization
     .indexOf(':') + 1);
     System.out.println("userName:" + userName);
     System.out.println("password:" + password);
     authenticated = userName.equals("abc")
     && password.equals("abc");
    } else if (authorization.startsWith("Digest")) {
     String userName = authorization.substring(authorization
     .indexOf("username="));
     userName = userName.substring("username=\"".length());
     userName = userName.substring(0, userName.indexOf('"'));
     String password = authorization.substring(authorization
     .indexOf("response="));
     password = password.substring("response=\"".length());
     password = password.substring(0, password.indexOf('"'));
     authenticated = userName.equals("abc")
     && password
     .equals("3cf1135d3b8e20dd9272d06288569a56");
    }
   }
   if (!authenticated) {
    // response.addHeader("WWW-Authenticate","Digest realm=\"Tomcat Manager Application\"");