I have packaged the Java encryption library with a wrapper used to make saving and loading files in Java easier. I have also included the source for a command line application to encrypt a String and save it to a text file.
The source for AESEncryption was actually written by "erickson" from Stack Overflow. The original post can be found here:
http://stackoverflow.com/questions/992019/java-256-bit-aes-password-based-encryption/992413#992413