1   /**
2    * Copyright (c) 2000-2009 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   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.taglib.portlet;
21  
22  import com.liferay.portal.kernel.util.JavaConstants;
23  
24  import javax.portlet.PortletResponse;
25  
26  import javax.servlet.http.HttpServletRequest;
27  import javax.servlet.jsp.JspException;
28  import javax.servlet.jsp.tagext.TagSupport;
29  
30  /**
31   * <a href="NamespaceTag.java.html"><b><i>View Source</i></b></a>
32   *
33   * @author Brian Wing Shun Chan
34   *
35   */
36  public class NamespaceTag extends TagSupport {
37  
38      public int doStartTag() throws JspException {
39          try {
40              HttpServletRequest request =
41                  (HttpServletRequest)pageContext.getRequest();
42  
43              PortletResponse portletResponse =
44                  (PortletResponse)request.getAttribute(
45                      JavaConstants.JAVAX_PORTLET_RESPONSE);
46  
47              pageContext.getOut().print(portletResponse.getNamespace());
48          }
49          catch (Exception e) {
50              throw new JspException(e);
51          }
52  
53          return SKIP_BODY;
54      }
55  
56      public int doEndTag() {
57          return EVAL_PAGE;
58      }
59  
60  }