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.captcha;
16  
17  import com.liferay.portal.kernel.captcha.CaptchaUtil;
18  import com.liferay.portal.util.PortalUtil;
19  
20  import javax.servlet.http.HttpServletRequest;
21  import javax.servlet.http.HttpServletResponse;
22  
23  import org.apache.struts.action.Action;
24  import org.apache.struts.action.ActionForm;
25  import org.apache.struts.action.ActionForward;
26  import org.apache.struts.action.ActionMapping;
27  
28  /**
29   * <a href="CaptchaPortalAction.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   */
33  public class CaptchaPortalAction extends Action {
34  
35      public ActionForward execute(
36              ActionMapping mapping, ActionForm form, HttpServletRequest request,
37              HttpServletResponse response)
38          throws Exception {
39  
40          try {
41              CaptchaUtil.serveImage(request, response);
42          }
43          catch (Exception e) {
44              PortalUtil.sendError(e, request, response);
45          }
46  
47          return null;
48      }
49  
50  }