MetricsServletContextListener.java

package org.startup.queue.metrics;

import com.codahale.metrics.MetricRegistry;
import com.codahale.metrics.health.HealthCheckRegistry;
import com.codahale.metrics.servlets.HealthCheckServlet;
import com.codahale.metrics.servlets.MetricsServlet;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;


public class MetricsServletContextListener implements ServletContextListener {

    private MetricRegistry metricRegistry;
    private HealthCheckRegistry healthCheckRegistry;

    public MetricsServletContextListener(MetricRegistry metricRegistry, HealthCheckRegistry healthCheckRegistry) {
        this.metricRegistry = metricRegistry;
        this.healthCheckRegistry = healthCheckRegistry;
    }

    @Override
    public void contextInitialized(ServletContextEvent servletContextEvent) {
        servletContextEvent.getServletContext().setAttribute(HealthCheckServlet.HEALTH_CHECK_REGISTRY,healthCheckRegistry);
        servletContextEvent.getServletContext().setAttribute(MetricsServlet.METRICS_REGISTRY, metricRegistry);
    }

    @Override
    public void contextDestroyed(ServletContextEvent sce) {

    }
}