<filter>
 <filter-name>sServletFilterScript</filter-name>
 <filter-class>sServletFilterScript</filter-class>
 <init-param>
  <param-name>ScriptEngine</param-name>
  <param-value>js</param-value>
 </init-param>
 <init-param>
  <param-name>ScriptFilePath</param-name>
  <param-value>/tmp/sServletFilterScript.js</param-value>
 </init-param>
 <init-param>
  <param-name>MIMECharset</param-name>
  <param-value>UTF-8</param-value>
 </init-param>
 <init-param>
  <param-name>IsDebug</param-name>
  <param-value>TRUE</param-value>
 </init-param>
 <init-param>
  <!-- from http://www.cybersyndrome.net/env.cgi -->
  <param-name>LogHeaderName</param-name>
  <param-value>X_LOCKING,X_FORWARDED_FOR,SP_HOST,FORWARDED,CLIENT_IP</param-value>
 </init-param>
</filter>
<filter-mapping>
 <filter-name>sServletFilterScript</filter-name>
 <url-pattern>/*</url-pattern>
</filter-mapping>

var returl = "http://www.example.com/";
var checked = false;
var IsMime = false;
var regex = "(^|\\W)[cC]lass\\W";
// MIME かどうか・・・
if(jObj.isMime() == true){
 IsMime = true;
 // MIME の時点でアウトもあり
 // checked = true;
 // jObj.SetRetUrl(returl);
 var str = jObj.getHeader("content-type");
 jObj.LogWrite("Content-Type=" + str);
 // 4096以上だとアウト
 if(4096 > str.length){
  checked = true;
  jObj.SetRetUrl(returl);
 }
}
if(checked == false){
 if(jObj.CheckRegex(regex,true,true,IsMime) == true){
  jObj.SetRetUrl(returl);
  jObj.LogWrite("Bingo");
 }else{
  jObj.LogWrite("No Hit");
 }
}