1   /**
2    * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   *
12   *
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              if (portletResponse != null) {
42                  String namespace = portletResponse.getNamespace();
43  
44                  pageContext.getOut().print(namespace);
45              }
46          }
47          catch (Exception e) {
48              throw new JspException(e);
49          }
50  
51          return SKIP_BODY;
52      }
53  
54  }