實作Apache mod_rewrite功能

http://www.tuckey.org/urlrewrite/

UrlRewriteFilter is a Java Web Filter for any J2EE compliant web application server (such as Resin, Orion or Tomcat)

在Tomcat 7 和glassfish3跑都成功
其他沒有試過


ref:
http://en.wikipedia.org/wiki/Application_server#Java_application_servers