Is it possible to use an existing webjar in your jruby on rails applications?

Is it possible to use an existing webjar in your jruby on rails applications?

Is it possible to use an existing webjar in your jruby on rails applications?
If a webjar cannot be used directly in a JRoR application, is it possible
to access a webjar from your rails application which is deployed via .war
file to glassfish or tomcat?
I'm not very familiar with Java webjars, so I apologize if I'm not asking
the right questions here. The goal, however, is code reuse.