JBI Manager provides some basic environment variable support. The user can use
this support to replace token defined in WSDL files for binding component.
Currently, the environment variables are not typed. Everything is in clear text
and without any validation. We need to provide typed environment variable support.
Four types of environment variables are supported: STRING, NUMBER, BOOLEAN and
See http://www.glassfishwiki.org/jbiwiki/Wiki.jsp?page=PasswordHandling for some