java - Defining findbugs detector using the existing plugins -

i'm trying figure out how implement detector using findbugs.

also don't want create plugin since findbugs has functionality.

i need detector check if calls classname.getconnection() matched classname.freeconnection().

i think have answer in link:

https://vasileirimia.wordpress.com/2015/07/14/addind-custom-constraints-called-obligations-to-findbugs/

good luck !