001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.captcha;
016    
017    import com.liferay.portal.kernel.captcha.CaptchaUtil;
018    import com.liferay.portal.util.PortalUtil;
019    
020    import javax.servlet.http.HttpServletRequest;
021    import javax.servlet.http.HttpServletResponse;
022    
023    import org.apache.struts.action.Action;
024    import org.apache.struts.action.ActionForm;
025    import org.apache.struts.action.ActionForward;
026    import org.apache.struts.action.ActionMapping;
027    
028    /**
029     * @author Brian Wing Shun Chan
030     */
031    public class CaptchaPortalAction extends Action {
032    
033            public ActionForward execute(
034                            ActionMapping mapping, ActionForm form, HttpServletRequest request,
035                            HttpServletResponse response)
036                    throws Exception {
037    
038                    try {
039                            CaptchaUtil.serveImage(request, response);
040                    }
041                    catch (Exception e) {
042                            PortalUtil.sendError(e, request, response);
043                    }
044    
045                    return null;
046            }
047    
048    }