question: public static List doResourceIPEnvAuth ( String resourceUrl , String realm , Map envParameters ) throws PolicyException { ActionDecision decision = null ; if ( resourceUrl != null ) { decision = getActionDecision ( resourceUrl , envParameters ) ; return getPolicyAdvice ( decision , realm ) ; } else { return Collections . EMPTY_LIST ; } }
target:  Performs Resource/IP/Environment based authentication. This method is used by auth login viewbean.