public void setSecurityLogicIfUndefined(final SecurityLogic securityLogic) {
        if (this.securityLogic == null) {
            setSecurityLogic(securityLogic);
        }
    }
<p>setSecurityLogicIfUndefined.</p>

@param securityLogic a {@link SecurityLogic} object
pac4j-core/src/main/java/org/pac4j/core/config/Config.java