You need the ability to treat the jar as a writable virtual file system. Reportedly
TrueZip and Java 7 can do that. See, e.g., http://docs.oracle.com/javase/7/docs/technotes/guides/io/fsp/zipfilesystemprovider.html http://blogs.oracle.com/xuemingshen/entry/the_zip_filesystem_provider_in1 >________________________________ > From: Allen Riddle <allenrid...@gmail.com> >To: users@buildr.apache.org >Sent: Tuesday, December 20, 2011 11:39 PM >Subject: Modifying contents of jar file > >All, > >Does anyone have any idea how I can modify a the contents of a built jar? >I have an asssembler project that creates 3 different zip files. There is >a Spring application context file that I need to override for each archive. >Any thoughts on how to best do this? I'm currently looking into the unzip >method in conjunction with copying the file in question. Thanks. >
