polish

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/SimpleRouteLocator.java

@@ -88,12 +88,14 @@ public class SimpleRouteLocator implements RouteLocator {
 			this.routes.set(locateRoutes());
 		}
 
+		if (log.isDebugEnabled()) {
 			log.debug("servletPath=" + this.dispatcherServletPath);
 			log.debug("zuulServletPath=" + this.zuulServletPath);
 			log.debug("RequestUtils.isDispatcherServletRequest()="
 					+ RequestUtils.isDispatcherServletRequest());
 			log.debug("RequestUtils.isZuulServletRequest()="
 					+ RequestUtils.isZuulServletRequest());
+		}
 
 		String adjustedPath = adjustPath(path);
 
@@ -108,7 +110,9 @@ public class SimpleRouteLocator implements RouteLocator {
 				}
 			}
 		}
+		if (log.isDebugEnabled()) {
 			log.debug("route matched=" + route);
+		}
 
 		return getRoute(route, adjustedPath);