A simple servlet that allows you to return a file within a file using Apache Commons VFS
example call:
http://localhost:8080/files/path/to/somefile.zip!/path/to/somefile.jar!/path/to/index.txt
Will return the file /path/to/index.txt within somefile.jar where somefile.jar is the file /path/to/somefile.jar within somefile.zip where somefile.zip is the file /path/to/somefile.zip relative to the filesystem directory defined in the servlet initParam FileStorePath