1 <bean name="simpleAuthenticator" class="es.whatabout.common.security.ProxyAuthenticator" autowire-candidate="true"> 2 <constructor-arg index="0" value="#{systemProperties['user'] == null ? 'user' : systemProperties['user']}" /> 3 <constructor-arg index="1" value="#{systemProperties['pass'] == null ? 'pass' : systemProperties['pass']}" /> 4 </bean>