Package 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, javax.servlet.Servlet, javax.servlet.ServletConfig

public class AlarmQueryServlet
extends javax.servlet.http.HttpServlet

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

Since:

1.8.1

Version:

$Id: $

Author:

Lawrence Karnowski , OpenNMS

See Also:

Serialized Form

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor	Description
AlarmQueryServlet()

Method Summary

Modifier and Type	Method	Description
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.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 AlarmFilterController.
protected AfterFirstEventTimeFilter	getAfterFirstEventTimeFilter(javax.servlet.http.HttpServletRequest request)	getAfterFirstEventTimeFilter
protected AfterLastEventTimeFilter	getAfterLastEventTimeFilter(javax.servlet.http.HttpServletRequest request)	getAfterLastEventTimeFilter
protected BeforeFirstEventTimeFilter	getBeforeFirstEventTimeFilter(javax.servlet.http.HttpServletRequest request)	getBeforeFirstEventTimeFilter
protected BeforeLastEventTimeFilter	getBeforeLastEventTimeFilter(javax.servlet.http.HttpServletRequest request)	getBeforeLastEventTimeFilter
protected Date	getDateFromRequest(javax.servlet.http.HttpServletRequest request, String prefix)	getDateFromRequest
protected String[]	getRequiredDateFields(String prefix)	getRequiredDateFields
void	init()	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 AlarmFilterController.

redirectUrl

protected String redirectUrl

The URL for the AlarmFilterController. 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 "alarm/").

Constructor Detail

AlarmQueryServlet

public AlarmQueryServlet()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

init

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException - if any.

doGet

public void doGet(javax.servlet.http.HttpServletRequest request,
                  javax.servlet.http.HttpServletResponse response)
           throws javax.servlet.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 AlarmFilterController.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

IOException

getBeforeFirstEventTimeFilter

protected BeforeFirstEventTimeFilter getBeforeFirstEventTimeFilter(javax.servlet.http.HttpServletRequest request)

getBeforeFirstEventTimeFilter

Parameters:

request - a HttpServletRequest object.

Returns:

a BeforeFirstEventTimeFilter object.

getAfterFirstEventTimeFilter

protected AfterFirstEventTimeFilter getAfterFirstEventTimeFilter(javax.servlet.http.HttpServletRequest request)

getAfterFirstEventTimeFilter

Parameters:

request - a HttpServletRequest object.

Returns:

a AfterFirstEventTimeFilter object.

getBeforeLastEventTimeFilter

protected BeforeLastEventTimeFilter getBeforeLastEventTimeFilter(javax.servlet.http.HttpServletRequest request)

getBeforeLastEventTimeFilter

Parameters:

request - a HttpServletRequest object.

Returns:

a BeforeLastEventTimeFilter object.

getAfterLastEventTimeFilter

protected AfterLastEventTimeFilter getAfterLastEventTimeFilter(javax.servlet.http.HttpServletRequest request)

getAfterLastEventTimeFilter

Parameters:

request - a HttpServletRequest object.

Returns:

a AfterLastEventTimeFilter object.

getDateFromRequest

protected Date getDateFromRequest(javax.servlet.http.HttpServletRequest request,
                                  String prefix)
                           throws MissingParameterException

getDateFromRequest

Parameters:

request - a HttpServletRequest object.

prefix - a String object.

Returns:

a Date object.

Throws:

MissingParameterException - if any.

getRequiredDateFields

protected String[] getRequiredDateFields(String prefix)

getRequiredDateFields

Parameters:

prefix - a String object.

Returns:

an array of String objects.