org.opennms.web.alarm
Class AlarmQueryServlet

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.opennms.web.alarm.AlarmQueryServlet

All Implemented Interfaces:

Serializable, Servlet, ServletConfig

public class AlarmQueryServlet
extends HttpServlet

This servlet takes a large and specific request parameter set and maps it to the more robust "filter" parameter set of the EventFilterControllervia a redirect.

Author:

Lawrence Karnowski , OpenNMS

See Also:

Serialized Form

Field Summary

protected static String[]	IGNORE_LIST The list of parameters that are extracted by this servlet and not passed on to the EventFilterController.
protected String	redirectUrl The URL for the EventFilterController.

Constructor Summary

AlarmQueryServlet()

Method Summary

void	doGet(HttpServletRequest request, HttpServletResponse response) Extracts the key parameters from the parameter set, translates them into filter-based parameters, and then passes the modified parameter set to the EventFilterController.
protected AfterFirstEventTimeFilter	getAfterFirstEventTimeFilter(HttpServletRequest request)
protected AfterLastEventTimeFilter	getAfterLastEventTimeFilter(HttpServletRequest request)
protected BeforeFirstEventTimeFilter	getBeforeFirstEventTimeFilter(HttpServletRequest request)
protected BeforeLastEventTimeFilter	getBeforeLastEventTimeFilter(HttpServletRequest request)
protected Date	getDateFromRequest(HttpServletRequest request, String prefix)
protected String[]	getRequiredDateFields(String prefix)
void	init()

Methods inherited from class javax.servlet.http.HttpServlet

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

Methods inherited from class javax.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

IGNORE_LIST

protected static String[] IGNORE_LIST

The list of parameters that are extracted by this servlet and not passed on to the EventFilterController.

redirectUrl

protected String redirectUrl

The URL for the EventFilterController. The default is "list." This URL is a sibling URL, so it is relative to the URL directory that was used to call this servlet (usually "event/").

Constructor Detail

AlarmQueryServlet

public AlarmQueryServlet()

Method Detail

init

public void init()
          throws ServletException

Overrides:

init in class GenericServlet

Throws:

ServletException

doGet

public void doGet(HttpServletRequest request,
                  HttpServletResponse response)
           throws ServletException,
                  IOException

Extracts the key parameters from the parameter set, translates them into filter-based parameters, and then passes the modified parameter set to the EventFilterController.

Overrides:

doGet in class HttpServlet

Throws:

ServletException

IOException

getBeforeFirstEventTimeFilter

protected BeforeFirstEventTimeFilter getBeforeFirstEventTimeFilter(HttpServletRequest request)

getAfterFirstEventTimeFilter

protected AfterFirstEventTimeFilter getAfterFirstEventTimeFilter(HttpServletRequest request)

getBeforeLastEventTimeFilter

protected BeforeLastEventTimeFilter getBeforeLastEventTimeFilter(HttpServletRequest request)

getAfterLastEventTimeFilter

protected AfterLastEventTimeFilter getAfterLastEventTimeFilter(HttpServletRequest request)

getDateFromRequest

protected Date getDateFromRequest(HttpServletRequest request,
                                  String prefix)
                           throws MissingParameterException

Throws:

MissingParameterException

getRequiredDateFields

protected String[] getRequiredDateFields(String prefix)