/**
    * Copyright 2004-2012 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.hr.time.base.web;
  
  import javax.servlet.http.HttpServletRequest;
  import javax.servlet.http.HttpServletResponse;
  
  import org.apache.log4j.Logger;
  import org.apache.struts.action.ActionForm;
  import org.apache.struts.action.ActionForward;
  import org.apache.struts.action.ActionMapping;
  import org.apache.struts.action.ActionRedirect;
  import org.kuali.hr.time.util.TKContext;
  import org.kuali.hr.time.util.TKUser;
  import org.kuali.hr.time.util.TkConstants;
  import org.kuali.rice.kns.web.struts.action.KualiAction;
  import org.kuali.rice.krad.UserSession;
  import org.kuali.rice.krad.exception.AuthorizationException;
  import org.kuali.rice.krad.util.GlobalVariables;
  
  public class TkAction extends KualiAction {
  
      private static final Logger LOG = Logger.getLogger(TkAction.class);
  
  
      protected void checkTKAuthorization(ActionForm form, String methodToCall) throws AuthorizationException {
      }
  
      @Override
      public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          try {
              String methodToCall = null;
              if (form instanceof TkForm) {
                  methodToCall = ((TkForm)form).getMethodToCall();
              }
              checkTKAuthorization(form, methodToCall);
          } catch (AuthorizationException e) {
              LOG.error("User: " + TKContext.getPrincipalId() + " Target: " + TKContext.getTargetPrincipalId(), e);
              return mapping.findForward("unauthorized");
          }
  
          // Run our logic / security first - For some reason kuali
          // dispatches actions BEFORE checking the security...
  
          return super.execute(mapping, form, request, response);
      }
  
  	public ActionForward userLogout(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
          TKContext.clear();
  		request.getSession().invalidate();
  		return new ActionRedirect(mapping.findForward("basic"));
  	}
  
  }