get create date and size of a file from application server to web server in struts2

hi
my requirement is that my file exists in application server weblogic i should have to get the date and size of that file with in my application which is running on tomcat.i specified the path of application server in my config.properties file and i am getting the file name from one procedure from database and i am doing concatenating to get complete path.but i am unable to get those things from application server? can anyone suggest me how to do it?
thanks in advance...

I don't really know what you're asking, and I don't see anything Struts 2-specific yet.