1 /***
2 * Redistribution and use of this software and associated documentation
3 * ("Software"), with or without modification, are permitted provided
4 * that the following conditions are met:
5 *
6 * 1. Redistributions of source code must retain copyright
7 * statements and notices. Redistributions must also contain a
8 * copy of this document.
9 *
10 * 2. Redistributions in binary form must reproduce the
11 * above copyright notice, this list of conditions and the
12 * following disclaimer in the documentation and/or other
13 * materials provided with the distribution.
14 *
15 * 3. The name "Exolab" must not be used to endorse or promote
16 * products derived from this Software without prior written
17 * permission of Exoffice Technologies. For written permission,
18 * please contact info@exolab.org.
19 *
20 * 4. Products derived from this Software may not be called "Exolab"
21 * nor may "Exolab" appear in their names without prior written
22 * permission of Exoffice Technologies. Exolab is a registered
23 * trademark of Exoffice Technologies.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS
29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT
30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
39 * OF THE POSSIBILITY OF SUCH DAMAGE.
40 *
41 * Copyright 2000 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: OnlineConnection.java,v 1.6 2003/08/17 01:32:23 tanderson Exp $
44 *
45 * Date Author Changes
46 * $Date jimm Created
47 */
48
49
50 package org.exolab.jms.jndiadministration;
51
52 import java.awt.Component;
53 import java.util.Enumeration;
54 import java.util.Hashtable;
55
56 import javax.naming.Context;
57 import javax.naming.InitialContext;
58 import javax.swing.JOptionPane;
59
60 import org.exolab.jms.config.AdminConfiguration;
61 import org.exolab.jms.config.Configuration;
62
63
64 /***
65 * Connects to the OpenJMSServer for all updates and requests.
66 *
67 * <P>Note: The OpenJMSServer must be active and in a running state for this
68 * type of connection to succeed.
69 *
70 * @version $Revision: 1.6 $ $Date: 2003/08/17 01:32:23 $
71 * @author <a href="mailto:mourikis@exolab.org">Jim Mourikis</a>
72 * @see AdminConnection
73 * @see AdminMgr
74 */
75 public class OnlineConnection extends AdminConnection {
76
77
78 private Context context_ = null;
79
80
81 private Component parent_;
82
83 /***
84 * Connect to the Admin Server
85 *
86 * @exception OnlineConnectionException When online connection fails.
87 *
88 */
89 public OnlineConnection(Component parent) throws OnlineConnectionException {
90 try {
91 if (instance_ == null) {
92
93 parent_ = parent;
94 instance_ = this;
95 if (context_ == null) {
96
97
98 Hashtable props = new Hashtable();
99 props.put(Context.INITIAL_CONTEXT_FACTORY,
100 "org.exolab.jms.jndi.rmi.RmiJndiInitialContextFactory");
101 context_ = new InitialContext(props);
102 }
103 } else {
104 throw new OnlineConnectionException("Already connected");
105 }
106 } catch (Exception err) {
107 throw new OnlineConnectionException("Failed to connect: " + err);
108 }
109 }
110
111
112 /***
113 * Display the error in a JOptionPane.
114 *
115 * @param err The Error to display.
116 * @param st The string to use as a title on the JOptionPane.
117 *
118 */
119 private void displayError(Exception err, String st) {
120 JOptionPane.showMessageDialog
121 (parent_, st + "\n" + err, st, JOptionPane.ERROR_MESSAGE);
122 }
123
124
125 /***
126 * Close the connection.
127 *
128 */
129 public void close() {
130 try {
131 context_.close();
132 instance_ = null;
133 context_ = null;
134 } catch (javax.naming.NamingException err) {
135 displayError(err, "Failed to close context");
136 }
137 }
138
139 /***
140 * Get an enumerated list of all the Contexts
141 *
142 * @return Enumeration The list of contexts
143 *
144 */
145 public Enumeration getAllContexts(String name) {
146 try {
147 if (name == null) {
148 name = "";
149 }
150
151 return context_.list(name);
152 } catch (Exception err) {
153 System.err.println("Err in getAllContexts\n" + err);
154 return null;
155 }
156 }
157
158 /***
159 * Return the object associated with this context.
160 * if none exists return null.
161 *
162 * @param context The context name
163 * @return Object The object for this context.
164 *
165 */
166 public Object lookup(String context) {
167 try {
168 return context_.lookup(context);
169 } catch (Exception err) {
170 System.err.println("Failed to get Context " + context + "\n" +
171 err);
172 return null;
173 }
174 }
175
176
177 /***
178 * Create a new context with the given name.
179 *
180 * @param name The new context name.
181 * @exception NamingException If the context cannot be created.
182 *
183 */
184 public void createContext(String name) throws javax.naming.NamingException {
185 context_.createSubcontext(name);
186 }
187
188
189 /***
190 * Destroy context with the given name.
191 *
192 * @param name The new context name.
193 * @exception NamingException If the context cannot be created.
194 *
195 */
196 public void destroyContext(String name) throws javax.naming.NamingException {
197 context_.destroySubcontext(name);
198 }
199
200
201 /***
202 * Rename context with the given name.
203 *
204 * @param oldName The old context name
205 * @param newName The new context name
206 * @exception NamingException If the context cannot be created.
207 *
208 */
209 public void renameContext(String oldName, String newName)
210 throws javax.naming.NamingException {
211 context_.rename(oldName, newName);
212 }
213
214
215 /***
216 * Rebind the context with the given object.
217 *
218 * @param name The context name
219 * @param ob The object to bind in this context
220 * @exception NamingException If the context cannot be created.
221 *
222 */
223 public void rebind(String name, Object ob)
224 throws javax.naming.NamingException {
225 context_.rebind(name, ob);
226 }
227
228 }