Package io.dropwizard.metrics5.servlets

Class MetricsServlet.ContextListener

java.lang.Object
io.dropwizard.metrics5.servlets.MetricsServlet.ContextListener
All Implemented Interfaces:
EventListener, javax.servlet.ServletContextListener
Enclosing class:
MetricsServlet
public abstract static class MetricsServlet.ContextListener
extends Object
implements javax.servlet.ServletContextListener
An abstract ServletContextListener which allows you to programmatically inject the MetricRegistry, rate and duration units, and allowed origin for MetricsServlet.

  • Constructor Details

    • ContextListener

      public ContextListener()

  • Method Details

    • getMetricRegistry

      protected abstract io.dropwizard.metrics5.MetricRegistry getMetricRegistry()
      Returns:
      the MetricRegistry to inject into the servlet context.

    • getRateUnit

      protected TimeUnit getRateUnit()
      Returns:
      the TimeUnit to which rates should be converted, or null if the default should be used.

    • getDurationUnit

      protected TimeUnit getDurationUnit()
      Returns:
      the TimeUnit to which durations should be converted, or null if the default should be used.

    • getAllowedOrigin

      protected String getAllowedOrigin()
      Returns:
      the Access-Control-Allow-Origin header value, if any.

    • getJsonpCallbackParameter

      protected String getJsonpCallbackParameter()
      Returns the name of the parameter used to specify the jsonp callback, if any.

    • getMetricFilter

      protected io.dropwizard.metrics5.MetricFilter getMetricFilter()
      Returns the MetricFilter that shall be used to filter metrics, or MetricFilter.ALL if the default should be used.

    • contextInitialized

      public void contextInitialized​(javax.servlet.ServletContextEvent event)
      Specified by:
      contextInitialized in interface javax.servlet.ServletContextListener

    • contextDestroyed

      public void contextDestroyed​(javax.servlet.ServletContextEvent event)
      Specified by:
      contextDestroyed in interface javax.servlet.ServletContextListener