import javax.security.jacc.Policy; import javax.security.jacc.PolicyConfiguration; import javax.security.jacc.PolicyContext; import javax.security.jacc.PolicyContextFactory; public class JACCApiExample { public static void main(String[] args) { try { PolicyContextFactory contextFactory = PolicyContextFactory.getPolicyContextFactory(); PolicyContext context = contextFactory.getContext("javax.security.jacc.PolicyContext"); PolicyConfiguration policyConfig = context.getPolicyConfiguration(); policyConfig.addToRole("adminRole", "allowedOperation1"); policyConfig.addToRole("adminRole", "allowedOperation2"); policyConfig.commit(); Policy policy = context.getPolicy(); boolean isAllowed = policy.implies("adminRole", "allowedOperation1"); System.out.println("Is allowed: " + isAllowed); policyConfig = context.getPolicyConfiguration(); policyConfig.removeFromRole("adminRole", "allowedOperation1"); policyConfig.removeFromRole("adminRole", "allowedOperation2"); policyConfig.commit(); } catch (Exception e) { e.printStackTrace(); } } }