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="HtmlBottomTag.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class HtmlBottomTag 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_BOTTOM);
55  
56          if (sb == null) {
57              sb = new StringBuilder();
58  
59              request.setAttribute(WebKeys.PAGE_BOTTOM, sb);
60          }
61  
62          sb.append(_bodyContentString);
63  
64          return EVAL_PAGE;
65      }
66  
67      private String _bodyContentString = StringPool.BLANK;
68  
69  }