001    /**
002     * Copyright (c) 2000-2013 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.kernel.captcha;
016    
017    import java.io.IOException;
018    
019    import javax.portlet.PortletRequest;
020    import javax.portlet.PortletResponse;
021    
022    import javax.servlet.http.HttpServletRequest;
023    import javax.servlet.http.HttpServletResponse;
024    
025    /**
026     * @author Brian Wing Shun Chan
027     */
028    public interface Captcha {
029    
030            public void check(HttpServletRequest request) throws CaptchaException;
031    
032            public void check(PortletRequest portletRequest) throws CaptchaException;
033    
034            public String getTaglibPath();
035    
036            public boolean isEnabled(HttpServletRequest request)
037                    throws CaptchaException;
038    
039            public boolean isEnabled(PortletRequest portletRequest)
040                    throws CaptchaException;
041    
042            public void serveImage(
043                            HttpServletRequest request, HttpServletResponse response)
044                    throws IOException;
045    
046            public void serveImage(
047                            PortletRequest portletRequest, PortletResponse portletResponse)
048                    throws IOException;
049    
050    }