/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community License, Version 2.0 (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.opensource.org/licenses/ecl2.php

  *

  * Unless required by applicable law or agreed to in writing, software

  * distributed under the License is distributed on an "AS IS" BASIS,

  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

  * See the License for the specific language governing permissions and

  * limitations under the License.

  */

 package org.kuali.rice.kew.actionlist;

 import org.kuali.rice.kew.service.KEWServiceLocator;

 import org.kuali.rice.kim.api.identity.Person;

 import org.kuali.rice.kim.api.identity.principal.Principal;

 import org.kuali.rice.kim.api.services.KimApiServiceLocator;

 import javax.servlet.ServletException;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import java.io.IOException;

 import java.io.PrintWriter;

 public class ActionListCountServlet extends HttpServlet {

         private static final long serialVersionUID = 260649920715567145L;

         private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(ActionListCountServlet.class);

         @Override

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

                 response.setContentType("text/plain");

             PrintWriter out = response.getWriter();

             int count = getCount(request);

             out.println(Integer.toString(count));

             out.close();

         }

         private int getCount(HttpServletRequest request) {

                 try {

                         String id = request.getParameter("id");

                         if (id == null || id.equals("")) {

                                 return 0;

                         }

                         String idType = request.getParameter("idType");

                         if (idType == null || idType.equals("")) {

                                 idType = "a";

                         }

                         String principalId = null;

                         if ("emplId".equalsIgnoreCase(idType) || "e".equalsIgnoreCase(idType)) {

                                 Person person = KimApiServiceLocator.getPersonService().getPersonByEmployeeId(id);

                                 if (person != null) {

                                         principalId = person.getPrincipalId();

                                 }

                         } else if ("workflowId".equalsIgnoreCase(idType) || "w".equalsIgnoreCase(idType)) {

                                 principalId = id;

                     } else if ("authenticationId".equalsIgnoreCase(idType) || "a".equalsIgnoreCase(idType)) {

                             Principal principal = KimApiServiceLocator.getIdentityService().getPrincipalByPrincipalName(id);

                             if (principal != null) {

                                     principalId = principal.getPrincipalId();

                             }

                     }

                         if (principalId == null) {

                                 return 0;

                         }

                         return KEWServiceLocator.getActionListService().getCount(principalId);

                 } catch (Throwable t) {

                         LOG.error("Fatal error when querying for Action List Count", t);

                         return 0;

                 }

         }

 }