org.apache.struts2.jasper.servlet

## Class JspServlet

- java.lang.Object
- - javax.servlet.GenericServlet
  - - javax.servlet.http.HttpServlet
    - - org.apache.struts2.jasper.servlet.JspServlet

- All Implemented Interfaces:
    Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig, org.apache.PeriodicEventListener

      public class JspServlet
      extends javax.servlet.http.HttpServlet
      implements org.apache.PeriodicEventListener

  The JSP engine (a.k.a Jasper). The servlet container is responsible for providing a URLClassLoader for the web application context Jasper is being used in. Jasper will try get the Tomcat ServletContext attribute for its ServletContext class loader, if that fails, it uses the parent class loader. In either case, it must be a URLClassLoader.
  Author:
    Anil K. Vijendran, Harish Prabandham, Remy Maucherat, Kin-man Chung, Glenn Nielsen
  See Also:
    Serialized Form

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `JspServlet()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `destroy()`
    `int` | `getJspCount()` Returns the number of JSPs for which JspServletWrappers exist, i.e., the number of JSPs that have been loaded into the webapp with which this JspServlet is associated.
    `int` | `getJspReloadCount()` Gets the number of JSPs that have been reloaded.
    `void` | `init(javax.servlet.ServletConfig config)`
    `void` | `periodicEvent()`
    `void` | `service(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response)`
    `void` | `setJspReloadCount(int count)` Resets the JSP reload counter.

    - ### Methods inherited from class javax.servlet.http.HttpServlet

      `doDelete, doGet, doHead, doOptions, doPost, doPut, doTrace, getLastModified, service`

    - ### Methods inherited from class javax.servlet.GenericServlet

      `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`

- - ### Constructor Detail

    - #### JspServlet

          public JspServlet()

  - ### Method Detail

    - #### init

          public void init(javax.servlet.ServletConfig config)
                    throws javax.servlet.ServletException

      Specified by:
        `init` in interface `javax.servlet.Servlet`
      Overrides:
        `init` in class `javax.servlet.GenericServlet`
      Throws:
        `javax.servlet.ServletException`

    - #### getJspCount

          public int getJspCount()

      Returns the number of JSPs for which JspServletWrappers exist, i.e., the number of JSPs that have been loaded into the webapp with which this JspServlet is associated.

      This info may be used for monitoring purposes.

      Returns:
        The number of JSPs that have been loaded into the webapp with which this JspServlet is associated

    - #### setJspReloadCount

          public void setJspReloadCount(int count)

      Resets the JSP reload counter.
      Parameters:
        `count` - Value to which to reset the JSP reload counter

    - #### getJspReloadCount

          public int getJspReloadCount()

      Gets the number of JSPs that have been reloaded.

      This info may be used for monitoring purposes.

      Returns:
        The number of JSPs (in the webapp with which this JspServlet is associated) that have been reloaded

    - #### service

          public void service(javax.servlet.http.HttpServletRequest request,
                              javax.servlet.http.HttpServletResponse response)
                       throws javax.servlet.ServletException,
                              IOException

      Overrides:
        `service` in class `javax.servlet.http.HttpServlet`
      Throws:
        `javax.servlet.ServletException`
        `IOException`

    - #### destroy

          public void destroy()

      Specified by:
        `destroy` in interface `javax.servlet.Servlet`
      Overrides:
        `destroy` in class `javax.servlet.GenericServlet`

    - #### periodicEvent

          public void periodicEvent()

      Specified by:
        `periodicEvent` in interface `org.apache.PeriodicEventListener`

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