This little Java App checks your Battle.net account to see if you have access to Mists of Pandaria Beta.
Checkout git repo and run maven to build the package:
mvn package
Maven will fetch the required dependencies and build the JAR file. Afterwards you can run the tool like this:
java -jar target/bnetchecker-0.0.1-SNAPSHOT.jar ACCOUNT PASSWORD
e.g.:
java -jar target/bnetchecker-0.0.1-SNAPSHOT.jar you@me.com 12345
You can check more than one account at once:
java -jar target/bnetchecker-0.0.1-SNAPSHOT.jar ACCOUNT1 PASSWORD1 ACCOUNT2 PASSWORD2 ...
It uses Selenium Webdriver to run a headless HTMLUnit Browser. Thats by far not the best & most efficient way to do this (I know that!) ... but well, I just had the desire to do it ;)