One of the significant new features added to OpenAM and coming in the pending release is the new REST API for policy evaluation. To try the API, get a nightly build of OpenAM, or build the code yourself from the trunk.

Some background: Your application should not be in the business of making policy decisions. Not because you are not smart enough to do it, but instead because you do not want to maintain potentially intricate and changing policies across all your applications.

Read more at – OpenAM: REST APIs for policy evaluation