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="Captcha.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public interface Captcha {
31  
32      public void check(HttpServletRequest request) throws CaptchaTextException;
33  
34      public void check(PortletRequest portletRequest)
35          throws CaptchaTextException;
36  
37      public String getTaglibPath();
38  
39      public boolean isEnabled(HttpServletRequest request);
40  
41      public boolean isEnabled(PortletRequest portletRequest);
42  
43      public void serveImage(
44              HttpServletRequest request, HttpServletResponse response)
45          throws IOException;
46  
47      public void serveImage(
48              PortletRequest portletRequest, PortletResponse portletResponse)
49          throws IOException;
50  
51  }