Providing Apache OODT with a firm foundation, the common components provide needed
support for catalogs, archives, and grids.
The components that make up the OODT common utilities include:
- Query Expression — Platform neutral and extensible way of posing questions
- Single Sign On — Because signing on more than once isn't fun
- Commons — Lots of miscellaneous utilities, including I/O streams,
logging, XML, and more