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Java > Open Source Codes > org > apache > roller > ui > core > tags > menu > EditorNavigationBarTag


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. The ASF licenses this file to You
4  * under the Apache License, Version 2.0 (the "License"); you may not
5  * 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. For additional information regarding
15  * copyright in this work, please see the NOTICE file in the top level
16  * directory of this distribution.
17  */

18
19 package org.apache.roller.ui.core.tags.menu;
20
21 import javax.servlet.http.HttpServletRequest JavaDoc;
22 import javax.servlet.jsp.JspException JavaDoc;
23 import org.apache.commons.logging.Log;
24 import org.apache.commons.logging.LogFactory;
25 import org.apache.roller.ui.core.RollerSession;
26
27
28 /**
29  * Draws the most complete possible Roller navigation bar based on request
30  * parameters userName, folderId and authenticated user (if there is one).
31  *
32  * @jsp.tag name="EditorNavigationBar"
33  */

34 public class EditorNavigationBarTag extends MenuTag {
35     
36     private static Log mLogger = LogFactory.getLog(EditorNavigationBarTag.class);
37     
38     
39     public String JavaDoc view() {
40         return emit();
41     }
42     
43     
44     public int doEndTag(java.io.PrintWriter JavaDoc pw) throws JspException JavaDoc {
45         try {
46             HttpServletRequest JavaDoc request =
47                     (HttpServletRequest JavaDoc)pageContext.getRequest();
48             RollerSession rollerSession = RollerSession.getRollerSession(request);
49             if ( rollerSession.isGlobalAdminUser() ) {
50                 return super.doEndTag(pw);
51             } else {
52                 return EVAL_PAGE;
53             }
54         } catch (Exception JavaDoc e) {
55             mLogger.error("EditorNavigationBarTag exception",e);
56             throw new JspException JavaDoc(e);
57         }
58     }
59     
60 }
61
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