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Java > Open Source Codes > com > jcorporate > expresso > ext > taglib > UserName


1 /* ====================================================================
2  * The Jcorporate Apache Style Software License, Version 1.2 05-07-2002
3  *
4  * Copyright (c) 1995-2002 Jcorporate Ltd. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
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14  * notice, this list of conditions and the following disclaimer in
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19  * if any, must include the following acknowledgment:
20  * "This product includes software developed by Jcorporate Ltd.
21  * (http://www.jcorporate.com/)."
22  * Alternately, this acknowledgment may appear in the software itself,
23  * if and wherever such third-party acknowledgments normally appear.
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25  * 4. "Jcorporate" and product names such as "Expresso" must
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27  * software without prior written permission. For written permission,
28  * please contact info@jcorporate.com.
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30  * 5. Products derived from this software may not be called "Expresso",
31  * or other Jcorporate product names; nor may "Expresso" or other
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33  * written permission of Jcorporate Ltd.
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59  * <http://www.jcorporate.com/>.
60  *
61  * Portions of this software are based upon other open source
62  * products and are subject to their respective licenses.
63  */
64
65 package com.jcorporate.expresso.ext.taglib;
66
67 import com.jcorporate.expresso.core.misc.CurrentLogin;
68
69 import javax.servlet.jsp.JspTagException JavaDoc;
70 import javax.servlet.jsp.JspWriter JavaDoc;
71 import javax.servlet.jsp.PageContext JavaDoc;
72 import java.io.IOException JavaDoc;
73
74
75 /**
76  * @author Shash Chatterjee
77  */
78 public class UserName
79         extends ExpressoTagSupport {
80     public UserName() {
81         super();
82     }
83
84     public int doEndTag()
85             throws javax.servlet.jsp.JspTagException JavaDoc {
86         CurrentLogin cl = (CurrentLogin) pageContext.getAttribute(CurrentLogin.LOGIN_KEY,
87                 PageContext.SESSION_SCOPE);
88         JspWriter JavaDoc writer = pageContext.getOut();
89
90         try {
91             if (cl == null) {
92                 writer.println("Not Logged In");
93             } else {
94                 writer.println(cl.getUserName());
95             }
96         } catch (IOException JavaDoc ioe) {
97             throw new JspTagException JavaDoc("UserName Tag Error: " +
98                     ioe.getMessage());
99         }
100
101         return EVAL_PAGE;
102     }
103 } /* UserName */
104
105 /* UserName */
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