KickJava   Java API By Example, From Geeks To Geeks.

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


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>actionURL</CODE> tag.
39  * Creates a url that points to the current Portlet and triggers an action request
40  * with the supplied parameters.
41  *
42  */
43 public class ActionURLTag extends BasicURLTag
44 {
45
46     /* (non-Javadoc)
47      * @see javax.servlet.jsp.tagext.Tag#doStartTag()
48      */
49     public int doStartTag() throws JspException JavaDoc {
50         if (var != null)
51         {
52             pageContext.removeAttribute(var, PageContext.PAGE_SCOPE);
53         }
54         RenderResponse renderResponse = (RenderResponse)pageContext.getRequest().getAttribute("javax.portlet.response");
55
56         if (renderResponse != null)
57         {
58             setUrl(renderResponse.createActionURL());
59             if (portletMode != null)
60             {
61                 try
62                 {
63                     PortletMode mode = new PortletMode(portletMode);
64                     url.setPortletMode(mode);
65                 }
66                 catch (PortletModeException e)
67                 {
68                     throw new JspException JavaDoc(e);
69                 }
70             }
71             if (windowState != null)
72             {
73                 try
74                 {
75                     WindowState state = new WindowState(windowState);
76                     url.setWindowState(state);
77                 }
78                 catch (WindowStateException e)
79                 {
80                     throw new JspException JavaDoc(e);
81                 }
82             }
83             if (secure != null)
84             {
85                 try
86                 {
87                     url.setSecure(getSecureBoolean());
88                 }
89                 catch (PortletSecurityException e)
90                 {
91                     throw new JspException JavaDoc(e);
92                 }
93             }
94         }
95         return EVAL_PAGE;
96     }
97 }
98
99
Popular Tags