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Java > Open Source Codes > org > apache > pluto > tags > RenderURLTag


1 /*
2  * Copyright 2003,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 /*
17
18  */
19
20 /*
21  * Created on Feb 21, 2003
22  *
23  * To change this generated comment go to
24  * Window>Preferences>Java>Code Generation>Code Template
25  */
26 package org.apache.pluto.tags;
27
28 import javax.portlet.PortletMode;
29 import javax.portlet.PortletModeException;
30 import javax.portlet.PortletSecurityException;
31 import javax.portlet.RenderResponse;
32 import javax.portlet.WindowState;
33 import javax.portlet.WindowStateException;
34 import javax.servlet.jsp.JspException JavaDoc;
35 import javax.servlet.jsp.PageContext JavaDoc;
36
37 /**
38  ** Supporting class for the <CODE>renderURL</CODE> tag.
39  ** Creates a url that points to the current Portlet and triggers an render request
40  ** with the supplied parameters.
41  **
42  **/
43 public class RenderURLTag extends BasicURLTag
44 {
45
46
47     /* (non-Javadoc)
48          * @see javax.servlet.jsp.tagext.Tag#doStartTag()
49          */
50     public int doStartTag() throws JspException JavaDoc {
51         if (var != null)
52         {
53             pageContext.removeAttribute(var, PageContext.PAGE_SCOPE);
54         }
55         RenderResponse renderResponse = (RenderResponse)pageContext.getRequest().getAttribute("javax.portlet.response");
56
57         if (renderResponse != null)
58         {
59             setUrl(renderResponse.createRenderURL());
60             if (portletMode != null)
61             {
62                 try
63                 {
64                     PortletMode mode = new PortletMode(portletMode);
65                     url.setPortletMode(mode);
66                 }
67                 catch (PortletModeException e)
68                 {
69                     throw new JspException JavaDoc(e);
70                 }
71             }
72             if (windowState != null)
73             {
74                 try
75                 {
76                     WindowState state = new WindowState(windowState);
77                     url.setWindowState(state);
78                 }
79                 catch (WindowStateException e)
80                 {
81                     throw new JspException JavaDoc(e);
82                 }
83             }
84             if (secure != null)
85             {
86                 try
87                 {
88                     url.setSecure(getSecureBoolean());
89                 }
90                 catch (PortletSecurityException e)
91                 {
92                     throw new JspException JavaDoc(e);
93                 }
94             }
95         }
96         return EVAL_PAGE;
97     }
98 }
99
100
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