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="CaptchaUtil.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public class CaptchaUtil {
31  
32      public static void check(HttpServletRequest request)
33          throws CaptchaTextException {
34  
35          getCaptcha().check(request);
36      }
37  
38      public static void check(PortletRequest portletRequest)
39          throws CaptchaTextException {
40  
41          getCaptcha().check(portletRequest);
42      }
43  
44      public static Captcha getCaptcha() {
45          return _captcha;
46      }
47  
48      public static String getTaglibPath() {
49          return getCaptcha().getTaglibPath();
50      }
51  
52      public static boolean isEnabled(HttpServletRequest request) {
53          return getCaptcha().isEnabled(request);
54      }
55  
56      public static boolean isEnabled(PortletRequest portletRequest) {
57          return getCaptcha().isEnabled(portletRequest);
58      }
59  
60      public static void serveImage(
61              HttpServletRequest request, HttpServletResponse response)
62          throws IOException {
63  
64          getCaptcha().serveImage(request, response);
65      }
66  
67      public static void serveImage(
68              PortletRequest portletRequest, PortletResponse portletResponse)
69          throws IOException {
70  
71          getCaptcha().serveImage(portletRequest, portletResponse);
72      }
73  
74      public void setCaptcha(Captcha captcha) {
75          _captcha = captcha;
76      }
77  
78      private static Captcha _captcha;
79  
80  }