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.portlet;
16  
17  import com.liferay.portal.kernel.util.JavaConstants;
18  
19  import javax.portlet.PortletResponse;
20  
21  import javax.servlet.http.HttpServletRequest;
22  import javax.servlet.jsp.JspException;
23  import javax.servlet.jsp.tagext.TagSupport;
24  
25  /**
26   * <a href="NamespaceTag.java.html"><b><i>View Source</i></b></a>
27   *
28   * @author Brian Wing Shun Chan
29   */
30  public class NamespaceTag extends TagSupport {
31  
32      public int doStartTag() throws JspException {
33          try {
34              HttpServletRequest request =
35                  (HttpServletRequest)pageContext.getRequest();
36  
37              PortletResponse portletResponse =
38                  (PortletResponse)request.getAttribute(
39                      JavaConstants.JAVAX_PORTLET_RESPONSE);
40  
41              pageContext.getOut().print(portletResponse.getNamespace());
42          }
43          catch (Exception e) {
44              throw new JspException(e);
45          }
46  
47          return SKIP_BODY;
48      }
49  
50      public int doEndTag() {
51          return EVAL_PAGE;
52      }
53  
54  }