Utility to unzip an entire archive to a directory in java

I'd like to do something like this in my program:

File zipFile = .....;
File destDir = ....;    
ImaginaryZipUtility.unzipAllTo(zipFile, destdir);

I cannot possibly be the first to do this from a program. Where do I find a utility method like above? I tried to look at apache commons-io, but nothing there. So, where should I look?