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.ResourceRequest;
021    import javax.portlet.ResourceResponse;
022    
023    import javax.servlet.http.HttpServletRequest;
024    import javax.servlet.http.HttpServletResponse;
025    
026    /**
027     * @author Brian Wing Shun Chan
028     */
029    public interface Captcha {
030    
031            public void check(HttpServletRequest request) throws CaptchaException;
032    
033            public void check(PortletRequest portletRequest) throws CaptchaException;
034    
035            public String getTaglibPath();
036    
037            public boolean isEnabled(HttpServletRequest request)
038                    throws CaptchaException;
039    
040            public boolean isEnabled(PortletRequest portletRequest)
041                    throws CaptchaException;
042    
043            public void serveImage(
044                            HttpServletRequest request, HttpServletResponse response)
045                    throws IOException;
046    
047            public void serveImage(
048                            ResourceRequest resourceRequest, ResourceResponse resourceResponse)
049                    throws IOException;
050    
051    }