Looks for DiskLruCache implementation in ICS source

Question

I am looking for an implementation of DiskLruCache in the ICS source (libcore / luni / src / main / java / libcore / io / DiskLruCache.java), as indicated in the Bitmap Caching Android Developer's Guide. I tried to download all the Android source code , but it takes too much time (> 5 hours still ongoing),

I also tried using the JakeWharton implementation for DiskLruCache , but I'm not sure how reliable it is as much as the implementation in the ICS source.

Please offer me an alternative download link. or give your own ideas.

Thanks..