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 class CaptchaUtil {
029    
030            public static void check(HttpServletRequest request)
031                    throws CaptchaException {
032    
033                    getCaptcha().check(request);
034            }
035    
036            public static void check(PortletRequest portletRequest)
037                    throws CaptchaException {
038    
039                    getCaptcha().check(portletRequest);
040            }
041    
042            public static Captcha getCaptcha() {
043                    return _captcha;
044            }
045    
046            public static String getTaglibPath() {
047                    return getCaptcha().getTaglibPath();
048            }
049    
050            public static boolean isEnabled(HttpServletRequest request)
051                    throws CaptchaException {
052    
053                    return getCaptcha().isEnabled(request);
054            }
055    
056            public static boolean isEnabled(PortletRequest portletRequest)
057                    throws CaptchaException{
058    
059                    return getCaptcha().isEnabled(portletRequest);
060            }
061    
062            public static void serveImage(
063                            HttpServletRequest request, HttpServletResponse response)
064                    throws IOException {
065    
066                    getCaptcha().serveImage(request, response);
067            }
068    
069            public static void serveImage(
070                            PortletRequest portletRequest, PortletResponse portletResponse)
071                    throws IOException {
072    
073                    getCaptcha().serveImage(portletRequest, portletResponse);
074            }
075    
076            public void setCaptcha(Captcha captcha) {
077                    _captcha = captcha;
078            }
079    
080            private static Captcha _captcha;
081    
082    }