@Override
    public boolean shouldFilter(HttpRequestMessage msg) {
        return sampleService.isHealthy();
    }
Sample Service Filter to demonstrate Guice injection of services and
making external requests to slow endpoints.

Author: Arthur Gonigberg
Date: January 04, 2018
zuul-sample/src/main/java/com/netflix/zuul/sample/filters/inbound/SampleServiceFilter.java