Introspector.java

package com.urbanairship.octobot;

import org.eclipse.jetty.server.Server;
import org.eclipse.jetty.servlet.ServletHolder;
import org.eclipse.jetty.servlet.ServletContextHandler;

import com.yammer.metrics.reporting.MetricsServlet;

import org.apache.log4j.Logger;

public class Introspector implements Runnable {

    private static final Logger logger = Logger.getLogger("Introspector");

    public void run() {
        /*HealthChecks.register(new RedisHealthcheck)
          HealthChecks.register(new RabbitHealthcheck)
          HealthChecks.register(new BeanstalkHealthcheck)*/

        int port = Settings.getAsInt("Octobot", "metrics_port");
        if (port < 1) port = 1228;

        Server server = new Server(port);
        ServletHolder holder = new ServletHolder(MetricsServlet.class);
        ServletContextHandler context = new ServletContextHandler();

        context.setContextPath("");
        context.addServlet(holder, "/*");

        server.setHandler(context);

        logger.info("Introspector launching on port: " + port);
        try {
            server.start();
            server.join();
        }
        catch (Exception e) {
            logger.error("Introspector: Unable to listen on port: " + port +
                ". Introspector will be unavailable on this instance.");
        }
    }
}