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Java > Open Source Codes > com > caucho > jsp > cfg > TldListener


1 /*
2  * Copyright (c) 1998-2006 Caucho Technology -- all rights reserved
3  *
4  * This file is part of Resin(R) Open Source
5  *
6  * Each copy or derived work must preserve the copyright notice and this
7  * notice unmodified.
8  *
9  * Resin Open Source is free software; you can redistribute it and/or modify
10  * it under the terms of the GNU General Public License as published by
11  * the Free Software Foundation; either version 2 of the License, or
12  * (at your option) any later version.
13  *
14  * Resin Open Source is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
17  * of NON-INFRINGEMENT. See the GNU General Public License for more
18  * details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with Resin Open Source; if not, write to the
22  *
23  * Free Software Foundation, Inc.
24  * 59 Temple Place, Suite 330
25  * Boston, MA 02111-1307 USA
26  *
27  * @author Scott Ferguson
28  */
29
30 package com.caucho.jsp.cfg;
31
32 import com.caucho.config.ConfigException;
33 import com.caucho.server.webapp.Listener;
34 import com.caucho.server.webapp.WebApp;
35
36 /**
37  * Configuration for the taglib listener in the .tld
38  */
39 public class TldListener {
40   private Class JavaDoc _listenerClass;
41
42   public void setId(String JavaDoc id)
43   {
44   }
45
46   public void setDescription(String JavaDoc desc)
47   {
48   }
49
50   public void setDisplayName(String JavaDoc displayName)
51   {
52   }
53
54   public void setIcon(com.caucho.config.types.Icon icon)
55   {
56   }
57
58   /**
59    * Sets the listener class.
60    */
61   public void setListenerClass(Class JavaDoc listenerClass)
62   {
63     _listenerClass = listenerClass;
64   }
65
66   /**
67    * Gets the listener class.
68    */
69   public Class JavaDoc getListenerClass()
70   {
71     return _listenerClass;
72   }
73
74   /**
75    * Registers with the web-app.
76    */
77   public void register(WebApp app)
78   {
79     if (app == null)
80       return;
81
82     if (app.hasListener(_listenerClass))
83       return;
84
85     try {
86       Listener listener = new Listener();
87       listener.setListenerClass(_listenerClass);
88       //listener.init();
89
90       app.addListener(listener);
91     } catch (RuntimeException JavaDoc e) {
92       e.printStackTrace();
93       throw e;
94     } catch (Exception JavaDoc e) {
95       e.printStackTrace();
96       throw new ConfigException(e);
97     }
98   }
99 }
100
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