1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * This library is free software; you can redistribute it and/or modify it under
5    * the terms of the GNU Lesser General Public License as published by the Free
6    * Software Foundation; either version 2.1 of the License, or (at your option)
7    * any later version.
8    *
9    * This library is distributed in the hope that it will be useful, but WITHOUT
10   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11   * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12   * details.
13   */
14  
15  package com.liferay.taglib.util;
16  
17  import com.liferay.portal.kernel.util.StringPool;
18  import com.liferay.portal.kernel.util.WebKeys;
19  
20  import javax.servlet.http.HttpServletRequest;
21  import javax.servlet.jsp.tagext.BodyTagSupport;
22  
23  /**
24   * <a href="HtmlBottomTag.java.html"><b><i>View Source</i></b></a>
25   *
26   * @author Brian Wing Shun Chan
27   */
28  public class HtmlBottomTag extends BodyTagSupport {
29  
30      public int doStartTag() {
31          return EVAL_BODY_BUFFERED;
32      }
33  
34      public int doAfterBody() {
35          _bodyContentString = getBodyContent().getString();
36  
37          return SKIP_BODY;
38      }
39  
40      public int doEndTag() {
41          HttpServletRequest request =
42              (HttpServletRequest)pageContext.getRequest();
43  
44          StringBuilder sb = (StringBuilder)request.getAttribute(
45              WebKeys.PAGE_BOTTOM);
46  
47          if (sb == null) {
48              sb = new StringBuilder();
49  
50              request.setAttribute(WebKeys.PAGE_BOTTOM, sb);
51          }
52  
53          sb.append(_bodyContentString);
54  
55          return EVAL_PAGE;
56      }
57  
58      private String _bodyContentString = StringPool.BLANK;
59  
60  }