/*
* $RCSfile: DeleteUserViewHandler.java,v $ $Revision: 1.2 $ $Date: 2005/09/06 16:52:42 $ - $Author: mcallist $
*
* The contents of this file are subject to the Open Software License
* Version 2.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.centraview.com/opensource/license.html
*
* Software distributed under the License is distributed on an "AS IS"
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
* License for the specific language governing rights and limitations
* under the License.
*
* The Original Code is: CentraView Open Source.
*
* The developer of the Original Code is CentraView. Portions of the
* Original Code created by CentraView are Copyright (c) 2004 CentraView,
* LLC; All Rights Reserved. The terms "CentraView" and the CentraView
* logos are trademarks and service marks of CentraView, LLC.
*/
package com.centraview.common;
import java.util.HashMap;
import java.util.Vector;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.log4j.Logger;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import com.centraview.settings.Settings;
import com.centraview.view.View;
import com.centraview.view.ViewHome;
public class DeleteUserViewHandler extends org.apache.struts.action.Action
{
private static Logger logger = Logger.getLogger(DeleteUserViewHandler.class);
/**
* Global Forwards for exception handling
*/
public static final String GLOBAL_FORWARD_failure = "failure";
/**
* To forward to handler - DisplayUserListHandler
*/
private static final String FORWARD_deleteview = "displaylist";
/**
* Redirect constant
*/
private static String FORWARD_final = GLOBAL_FORWARD_failure;
/*
* Executes initialization of required parameters and open window for entry of
* note returns ActionForward
*/
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception
{
String dataSource = Settings.getInstance().getSiteInfo(CVUtility.getHostName(super.getServlet().getServletContext())).getDataSource();
try {
String currentPage = request.getParameter("currentPage");
request.setAttribute("pageinfo", currentPage);
HttpSession session = request.getSession(true);
UserObject userObject = (UserObject)session.getAttribute("userobject");
int IndividualId = userObject.getIndividualID();
long listId = 0;
if (request.getParameter("listId") != null) {
listId = Long.parseLong(request.getParameter("listId"));
}
int viewId = 0;
if (request.getParameter("viewId") != null) {
viewId = Integer.parseInt(request.getParameter("viewId"));
}
// get listgenerator instance
ListGenerator listGenerator = ListGenerator.getListGenerator(dataSource);
// get displaylist
DisplayList displayList = listGenerator.getDisplayList(listId);
// get the listtype
String listType = displayList.getListType();
// get listpreference associated with the user for required listtype
ListPreference listPreference = userObject.getListPreference(listType);
ViewHome viewHome = (ViewHome)CVUtility.getHomeObject("com.centraview.view.ViewHome", "View");
View remote = viewHome.create();
remote.setDataSource(dataSource);
// We will get the current View Id which is Selected for the Individual
// who is logged in.
String userDefaultId = "" + listPreference.getDefaultView();
int userDefaultViewId = 0;
if (userDefaultId != null && !userDefaultId.equals("")) {
userDefaultViewId = Integer.parseInt(userDefaultId);
}
// Delete the ViewId
remote.deleteView(viewId);
// set system default view as user default view if user deletes view which
// he as set right now.
int recordPerPage = 0;
String sortElement = "";
boolean sortOrder = true;
String sortType = "A";
//Remove the View for the List Type
//So that we can add the View Back
HashMap listViewHM = listPreference.getViewHashMap();
listViewHM.remove(String.valueOf(viewId));
// We will check wheather the removed view was the user Defaulted view.
// If true then set the default view for the user to System's Default
// View..
if (userDefaultViewId == viewId) {
// Get the System default View Id for the User.
int systemDefaultViewId = remote.getSystemDefaultView(listType);
if (systemDefaultViewId != 0) {
viewId = systemDefaultViewId;
Vector viewInfoVec = remote.getViewInfo(IndividualId, viewId);
if (viewInfoVec != null && viewInfoVec.size() > 0) {
sortType = viewInfoVec.get(0).toString();
if (sortType.equals("A"))
sortOrder = true;
else
sortOrder = false;
sortElement = viewInfoVec.get(1).toString();
recordPerPage = Integer.parseInt(viewInfoVec.get(2).toString());
}// end of if (systemDefaultViewId != 0)
// update in database tables - listPreferences
remote.updateUserDefaultView(viewId, IndividualId, sortType, sortElement, recordPerPage, listType);
// change the user preference
listPreference.setDefaultView(viewId);
listPreference.setRecordsPerPage(recordPerPage);
listPreference.setSortElement(sortElement);
listPreference.setSortOrder(sortOrder);
UserPrefererences userPref = userObject.getUserPref();
userPref.addListPreferences(listPreference);
userObject.setUserPref(userPref);
session.setAttribute("userobject", userObject);
}
}
request.setAttribute("displaylist", displayList);
request.setAttribute("listId", "" + listId);
// forward to list handler as per listtype
FORWARD_final = FORWARD_deleteview;
} catch (Exception e) {
logger.error("[execute] Exception thrown.", e);
FORWARD_final = GLOBAL_FORWARD_failure;
}
return mapping.findForward(FORWARD_final);
}
}