JNRPE is a Nagios addon that makes simple the implementation of Nagios plugins using the Java Language.
It is fully compatible with check_nrpe and can be used to execute both old native Nagios plugins and the new Java Nagios Plugins.
jcheck_nrpe is a java implementation of the check_nrpe Nagios plugin. It can be easily embedded inside your code to talk to JNRPE or NRPE.
Both plain socket and SSL are supported.