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.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 CaptchaWrapper implements Captcha {
029    
030            public CaptchaWrapper(Captcha captcha) {
031                    _captcha = captcha;
032                    _originalCaptcha = captcha;
033            }
034    
035            public void check(HttpServletRequest request) throws CaptchaTextException {
036                    _captcha.check(request);
037            }
038    
039            public void check(PortletRequest portletRequest)
040                    throws CaptchaTextException {
041    
042                    _captcha.check(portletRequest);
043            }
044    
045            public String getTaglibPath() {
046                    return _captcha.getTaglibPath();
047            }
048    
049            public boolean isEnabled(HttpServletRequest request) {
050                    return _captcha.isEnabled(request);
051            }
052    
053            public boolean isEnabled(PortletRequest portletRequest) {
054                    return _captcha.isEnabled(portletRequest);
055            }
056    
057            public void serveImage(
058                            HttpServletRequest request, HttpServletResponse response)
059                    throws IOException {
060    
061                    _captcha.serveImage(request, response);
062            }
063    
064            public void serveImage(
065                            PortletRequest portletRequest, PortletResponse portletResponse)
066                    throws IOException {
067    
068                    _captcha.serveImage(portletRequest, portletResponse);
069            }
070    
071            public void setCaptcha(Captcha captcha) {
072                    if (captcha == null) {
073                            _captcha = _originalCaptcha;
074                    }
075                    else {
076                            _captcha = captcha;
077                    }
078            }
079    
080            private Captcha _captcha;
081            private Captcha _originalCaptcha;
082    
083    }