// add if-then-else support
rs.addRule(new ElementSelector("*/if"), new IfAction());
rs.addRule(new ElementSelector("*/if/then"), new ThenAction());
rs.addRule(new ElementSelector("*/if/then/*"), new NOPAction());
rs.addRule(new ElementSelector("*/if/else"), new ElseAction());
rs.addRule(new ElementSelector("*/if/else/*"), new NOPAction());
// add jmxConfigurator only if we have JMX available.
// If running under JDK 1.4 (retrotranslateed logback) then we
// might not have JMX.