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.taglib.util;
016    
017    import com.liferay.portal.kernel.servlet.taglib.BaseBodyTagSupport;
018    import com.liferay.portal.kernel.util.StringBundler;
019    import com.liferay.portal.kernel.util.WebKeys;
020    
021    import javax.servlet.http.HttpServletRequest;
022    
023    /**
024     * @author Brian Wing Shun Chan
025     */
026    public class HtmlBottomTag extends BaseBodyTagSupport {
027    
028            public int doStartTag() {
029                    return EVAL_BODY_BUFFERED;
030            }
031    
032            public int doEndTag() {
033                    HttpServletRequest request =
034                            (HttpServletRequest)pageContext.getRequest();
035    
036                    StringBundler sb = (StringBundler)request.getAttribute(
037                            WebKeys.PAGE_BOTTOM);
038    
039                    if (sb == null) {
040                            sb = new StringBundler();
041    
042                            request.setAttribute(WebKeys.PAGE_BOTTOM, sb);
043                    }
044    
045                    sb.append(getBodyContentAsStringBundler());
046    
047                    return EVAL_PAGE;
048            }
049    
050    }