1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20 package org.apache.pluto.tags;
21
22 import java.io.IOException;
23
24 import javax.portlet.RenderResponse;
25 import javax.servlet.jsp.JspException;
26 import javax.servlet.jsp.JspWriter;
27 import javax.servlet.jsp.tagext.TagSupport;
28
29 /***
30 * This tag produces a unique value for the current portlet.
31 *
32 *
33 * Supporting class for the <CODE>namespace</CODE> tag.
34 * writes a unique value for the current portlet
35 * <BR>This tag has no attributes
36 */
37 public class NamespaceTag extends TagSupport
38 {
39
40
41
42
43 public int doStartTag() throws JspException {
44 RenderResponse renderResponse = (RenderResponse)pageContext.getRequest().getAttribute("javax.portlet.response");
45 String namespace = renderResponse.getNamespace();
46 JspWriter writer = pageContext.getOut();
47 try
48 {
49 writer.print(namespace);
50 writer.flush();
51 }
52 catch (IOException ioe)
53 {
54 throw new JspException("namespace Tag Exception: cannot write to the output writer.");
55 }
56 return SKIP_BODY;
57 }
58 }