001    /**
002     * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
003     *
004     * The contents of this file are subject to the terms of the Liferay Enterprise
005     * Subscription License ("License"). You may not use this file except in
006     * compliance with the License. You can obtain a copy of the License by
007     * contacting Liferay, Inc. See the License for the specific language governing
008     * permissions and limitations under the License, including but not limited to
009     * distribution rights of the Software.
010     *
011     *
012     *
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    }