Here\'s my structure:
I can read the file in my Eclipse project, but
You can't get a File object (since it's no longer a file once it's in the .jar), but you should be able to get it as a stream via getResourceAsStream(path);, where path is the complete path to your class.
File
getResourceAsStream(path);
path
e.g.
/com/mycompany/resources/values.xml