View Javadoc
1   /**
2    * Copyright 2005-2015 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.krad.web.service;
17  
18  import org.kuali.rice.krad.exception.AuthorizationException;
19  import org.kuali.rice.krad.web.form.UifFormBase;
20  import org.springframework.web.servlet.ModelAndView;
21  
22  /**
23   * Controller service that provides the basic entry and exit methods.
24   *
25   * @author Kuali Rice Team (rice.collab@kuali.org)
26   */
27  public interface ControllerService {
28  
29      /**
30       * Initial method called when requesting a new view instance.
31       *
32       * @param form form instance containing the model data
33       * @return ModelAndView instance for rendering the view
34       */
35      ModelAndView start(UifFormBase form);
36  
37      /**
38       * Invokes the configured {@link org.kuali.rice.krad.uif.view.ViewAuthorizer} to verify the user has access to
39       * open the view.
40       *
41       * @throws org.kuali.rice.krad.exception.AuthorizationException thrown if user does not have access to the view
42       */
43      void checkViewAuthorization(UifFormBase form) throws AuthorizationException;
44  
45      /**
46       * Invoked when a session timeout occurs.
47       *
48       * @param form form instance containing the model data
49       * @return ModelAndView instance for rendering the view
50       */
51      ModelAndView sessionTimeout(UifFormBase form);
52  
53      /**
54       * Invoked when the cancel action is invoked on a view.
55       *
56       * @param form form instance containing the model data
57       * @return ModelAndView instance for rendering the view
58       */
59      ModelAndView cancel(UifFormBase form);
60  }