org.dlese.dpc.dds.action
Class DDSAdminQueryAction

java.lang.Object
  org.apache.struts.action.Action
      org.dlese.dpc.dds.action.DDSAdminQueryAction

public final class DDSAdminQueryAction
extends Action

A Struts Action for handling query requests that access a SimpleLuceneIndex. This class works in conjunction with the DDSAdminQueryForm Struts form bean class.

Author:

John Weatherley

Field Summary

static String	NO_ERRORS DESCRIPTION
static String	SELECT_ALL DESCRIPTION
static String	SELECT_NONE DESCRIPTION

Fields inherited from class org.apache.struts.action.Action

defaultLocale, servlet

Constructor Summary

DDSAdminQueryAction()

Method Summary

ActionForward	execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) Processes the specified HTTP request and creates the corresponding HTTP response by forwarding to a JSP that will create it.
ActionForward	handleMetadataSearchRequest(ActionMapping mapping, DDSAdminQueryForm queryForm, HttpServletRequest request, HttpServletResponse response, RepositoryManager rm) Handle a request to search over metadata collections and forwared to the appropriate jsp page to render the response.
ActionForward	handleWebLogSearchRequest(ActionMapping mapping, DDSAdminQueryForm form, HttpServletRequest request, HttpServletResponse response) Handle a request to search over web logs and forwared to the appropriate jsp page to render the response.
static void	setDebug(boolean isDebugOutput) Gets the HTTP parameters that should be used to retrieve the previous set of results.

Methods inherited from class org.apache.struts.action.Action

addErrors, addMessages, execute, generateToken, getDataSource, getDataSource, getErrors, getLocale, getMessages, getResources, getResources, getServlet, isCancelled, isTokenValid, isTokenValid, resetToken, saveErrors, saveErrors, saveErrors, saveMessages, saveMessages, saveToken, setLocale, setServlet

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SELECT_ALL

public static String SELECT_ALL

DESCRIPTION

SELECT_NONE

public static String SELECT_NONE

DESCRIPTION

NO_ERRORS

public static String NO_ERRORS

DESCRIPTION

Constructor Detail

DDSAdminQueryAction

public DDSAdminQueryAction()

Method Detail

execute

public ActionForward execute(ActionMapping mapping,
                             ActionForm form,
                             HttpServletRequest request,
                             HttpServletResponse response)
                      throws IOException,
                             ServletException

Processes the specified HTTP request and creates the corresponding HTTP response by forwarding to a JSP that will create it. A SimpleLuceneIndex must be available to this class via a ServletContext attribute under the key "index." Returns an ActionForward instance that maps to the Struts forwarding name "simple.query," which must be configured in struts-config.xml to forward to the JSP page that will handle the request.

Overrides:

execute in class Action

Parameters:

mapping - The ActionMapping used to select this instance

request - The HTTP request we are processing

response - The HTTP response we are creating

form - The ActionForm for the given page

Returns:

The ActionForward instance describing where and how control should be forwarded

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs

handleMetadataSearchRequest

public ActionForward handleMetadataSearchRequest(ActionMapping mapping,
                                                 DDSAdminQueryForm queryForm,
                                                 HttpServletRequest request,
                                                 HttpServletResponse response,
                                                 RepositoryManager rm)
                                          throws IOException,
                                                 ServletException

Handle a request to search over metadata collections and forwared to the appropriate jsp page to render the response.

Parameters:

mapping - The ActionMapping used to select this instance

request - The HTTP request we are processing

response - The HTTP response we are creating

queryForm - DESCRIPTION

rm - DESCRIPTION

Returns:

The ActionForward instance describing where and how control should be forwarded

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs

handleWebLogSearchRequest

public ActionForward handleWebLogSearchRequest(ActionMapping mapping,
                                               DDSAdminQueryForm form,
                                               HttpServletRequest request,
                                               HttpServletResponse response)
                                        throws IOException,
                                               ServletException

Handle a request to search over web logs and forwared to the appropriate jsp page to render the response.

Parameters:

mapping - The ActionMapping used to select this instance

request - The HTTP request we are processing

response - The HTTP response we are creating

form - The ActionForm for the given page

Returns:

The ActionForward instance describing where and how control should be forwarded

Throws:

IOException - if an input/output error occurs

ServletException - if a servlet exception occurs

setDebug

public static void setDebug(boolean isDebugOutput)

Gets the HTTP parameters that should be used to retrieve the previous set of results.

Parameters:

isDebugOutput - The new debug value