1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.portal.kernel.captcha;
16  
17  import java.io.IOException;
18  
19  import javax.portlet.PortletRequest;
20  import javax.portlet.PortletResponse;
21  
22  import javax.servlet.http.HttpServletRequest;
23  import javax.servlet.http.HttpServletResponse;
24  
25  /**
26   * <a href="CaptchaWrapper.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public class CaptchaWrapper implements Captcha {
31  
32      public CaptchaWrapper(Captcha captcha) {
33          _captcha = captcha;
34          _originalCaptcha = captcha;
35      }
36  
37      public void check(HttpServletRequest request) throws CaptchaTextException {
38          _captcha.check(request);
39      }
40  
41      public void check(PortletRequest portletRequest)
42          throws CaptchaTextException {
43  
44          _captcha.check(portletRequest);
45      }
46  
47      public String getTaglibPath() {
48          return _captcha.getTaglibPath();
49      }
50  
51      public boolean isEnabled(HttpServletRequest request) {
52          return _captcha.isEnabled(request);
53      }
54  
55      public boolean isEnabled(PortletRequest portletRequest) {
56          return _captcha.isEnabled(portletRequest);
57      }
58  
59      public void serveImage(
60              HttpServletRequest request, HttpServletResponse response)
61          throws IOException {
62  
63          _captcha.serveImage(request, response);
64      }
65  
66      public void serveImage(
67              PortletRequest portletRequest, PortletResponse portletResponse)
68          throws IOException {
69  
70          _captcha.serveImage(portletRequest, portletResponse);
71      }
72  
73      public void setCaptcha(Captcha captcha) {
74          if (captcha == null) {
75              _captcha = _originalCaptcha;
76          }
77          else {
78              _captcha = captcha;
79          }
80      }
81  
82      private Captcha _captcha;
83      private Captcha _originalCaptcha;
84  
85  }