Funksjon for å avgjøre om MyPrincipal sitt sikkerhetsnivå er høyt nok for det som kreves av ConfigAttributes

AcceptingSecurityLevelOf.java

public class SecurityLevelVoter implements AccessDecisionVoter {

    private String securityLevelPrefix = "SECURITY_LEVEL_";
//...snip...
    private class AcceptingSecurityLevelOf implements Predicate<ConfigAttribute> {

        private final int principalSecurityLevel;

        public AcceptingSecurityLevelOf(MyPrincipal principal) {
            principalSecurityLevel = toInt(principal.getSecurityLevel(), Integer.MIN_VALUE);
        }

        @Override
        public boolean evaluate(ConfigAttribute attribute) {
            String requiredSecurityLevel =
                removeStart(attribute.getAttribute(), securityLevelPrefix);
            return principalSecurityLevel >= toInt(requiredSecurityLevel, Integer.MAX_VALUE);
        }
    }
//...snip...
}