1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
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 CaptchaException;
33  
34      public void check(PortletRequest portletRequest) throws CaptchaException;
35  
36      public String getTaglibPath();
37  
38      public boolean isEnabled(HttpServletRequest request)
39          throws CaptchaException;
40  
41      public boolean isEnabled(PortletRequest portletRequest)
42          throws CaptchaException;
43  
44      public void serveImage(
45              HttpServletRequest request, HttpServletResponse response)
46          throws IOException;
47  
48      public void serveImage(
49              PortletRequest portletRequest, PortletResponse portletResponse)
50          throws IOException;
51  
52  }