HtmlTopTag.java |
1 /** 2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a copy 5 * of this software and associated documentation files (the "Software"), to deal 6 * in the Software without restriction, including without limitation the rights 7 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 8 * copies of the Software, and to permit persons to whom the Software is 9 * furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 19 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 20 * SOFTWARE. 21 */ 22 23 package com.liferay.taglib.util; 24 25 import com.liferay.portal.kernel.util.StringPool; 26 import com.liferay.portal.kernel.util.WebKeys; 27 28 import javax.servlet.http.HttpServletRequest; 29 import javax.servlet.jsp.tagext.BodyTagSupport; 30 31 /** 32 * <a href="HtmlTopTag.java.html"><b><i>View Source</i></b></a> 33 * 34 * @author Brian Wing Shun Chan 35 * 36 */ 37 public class HtmlTopTag extends BodyTagSupport { 38 39 public int doStartTag() { 40 return EVAL_BODY_BUFFERED; 41 } 42 43 public int doAfterBody() { 44 _bodyContentString = getBodyContent().getString(); 45 46 return SKIP_BODY; 47 } 48 49 public int doEndTag() { 50 HttpServletRequest request = 51 (HttpServletRequest)pageContext.getRequest(); 52 53 StringBuilder sb = (StringBuilder)request.getAttribute( 54 WebKeys.PAGE_TOP); 55 56 if (sb == null) { 57 sb = new StringBuilder(); 58 59 request.setAttribute(WebKeys.PAGE_TOP, sb); 60 } 61 62 sb.append(_bodyContentString); 63 64 return EVAL_PAGE; 65 } 66 67 private String _bodyContentString = StringPool.BLANK; 68 69 }