View Javadoc

1   /* Copyright 2004, 2005 Acegi Technology Pty Limited
2    *
3    * Licensed under the Apache License, Version 2.0 (the "License");
4    * you may not use this file except in compliance with the License.
5    * You may obtain a copy of the License at
6    *
7    *     http://www.apache.org/licenses/LICENSE-2.0
8    *
9    * Unless required by applicable law or agreed to in writing, software
10   * distributed under the License is distributed on an "AS IS" BASIS,
11   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12   * See the License for the specific language governing permissions and
13   * limitations under the License.
14   */
15  
16  package sample.contact;
17  
18  import org.springframework.beans.factory.InitializingBean;
19  
20  import org.springframework.util.Assert;
21  
22  import org.springframework.web.bind.RequestUtils;
23  import org.springframework.web.servlet.ModelAndView;
24  import org.springframework.web.servlet.mvc.Controller;
25  
26  import java.io.IOException;
27  
28  import javax.servlet.ServletException;
29  import javax.servlet.http.HttpServletRequest;
30  import javax.servlet.http.HttpServletResponse;
31  
32  
33  /***
34   * Controller to delete a contact.
35   *
36   * @author Ben Alex
37   * @version $Id: DeleteController.java,v 1.5 2005/11/04 04:15:57 benalex Exp $
38   */
39  public class DeleteController implements Controller, InitializingBean {
40      //~ Instance fields ========================================================
41  
42      private ContactManager contactManager;
43  
44      //~ Methods ================================================================
45  
46      public void setContactManager(ContactManager contact) {
47          this.contactManager = contact;
48      }
49  
50      public ContactManager getContactManager() {
51          return contactManager;
52      }
53  
54      public void afterPropertiesSet() throws Exception {
55          Assert.notNull(contactManager,
56              "A ContactManager implementation is required");
57      }
58  
59      public ModelAndView handleRequest(HttpServletRequest request,
60          HttpServletResponse response) throws ServletException, IOException {
61          int id = RequestUtils.getRequiredIntParameter(request, "contactId");
62          Contact contact = contactManager.getById(new Long(id));
63          contactManager.delete(contact);
64  
65          return new ModelAndView("deleted", "contact", contact);
66      }
67  }