Class MetricsServlet

  • All Implemented Interfaces:
    jakarta.servlet.Servlet, jakarta.servlet.ServletConfig, java.io.Serializable

    public class MetricsServlet
    extends jakarta.servlet.http.HttpServlet
    The MetricsServlet class provides a simple way of exposing the metrics values.
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      private Exporter exporter  
      • Fields inherited from class jakarta.servlet.http.HttpServlet

        LEGACY_DO_HEAD
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      protected void doGet​(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp)  
      protected void doPost​(jakarta.servlet.http.HttpServletRequest req, jakarta.servlet.http.HttpServletResponse resp)  
      void init​(jakarta.servlet.ServletConfig servletConfig)  
      • Methods inherited from class jakarta.servlet.http.HttpServlet

        doDelete, doHead, doOptions, doPatch, doPut, doTrace, getLastModified, isSensitiveHeader, service, service
      • Methods inherited from class jakarta.servlet.GenericServlet

        destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
    • Field Detail

      • exporter

        private final Exporter exporter
    • Constructor Detail

      • MetricsServlet

        public MetricsServlet()
      • MetricsServlet

        public MetricsServlet​(Predicate<java.lang.String> sampleNameFilter)
    • Method Detail

      • init

        public void init​(jakarta.servlet.ServletConfig servletConfig)
                  throws jakarta.servlet.ServletException
        Specified by:
        init in interface jakarta.servlet.Servlet
        Overrides:
        init in class jakarta.servlet.http.HttpServlet
        Throws:
        jakarta.servlet.ServletException
      • doGet

        protected void doGet​(jakarta.servlet.http.HttpServletRequest req,
                             jakarta.servlet.http.HttpServletResponse resp)
                      throws java.io.IOException
        Overrides:
        doGet in class jakarta.servlet.http.HttpServlet
        Throws:
        java.io.IOException
      • doPost

        protected void doPost​(jakarta.servlet.http.HttpServletRequest req,
                              jakarta.servlet.http.HttpServletResponse resp)
                       throws java.io.IOException
        Overrides:
        doPost in class jakarta.servlet.http.HttpServlet
        Throws:
        java.io.IOException