java tool to check naming convention

from eclipse, I'm 开发者_JAVA百科using Junit4 to write some java tests to control the GUI I'm looking for a tool open source that check naming conventions : upper case,lower case int he case of variables, functions ,...etc what do you recommend me as a practical tool ?

thanks,

Checkstyle should meet your needs and can be had via an Eclipse plugin.

checkstyle. Most likely there is a plugin for your IDE. There is also a plugin for jenkins/hudson