在单独的jsp或html页面中显示内部版本号？

I am using Hudson for the continuous integration. I am using Maven. mine is a web application. it builds a war. I want to display build number. build number can be included in war using maven-war plugin as hudson supports an environment variable BUILD_NUMBER. build number will be available in manifest file. my requirement is i need to retrieve the build number from manifest file and show in a jsp/html file. How can i achieve it ? Please help me.I am using Hudson for the continuous integratio