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 2005 (C) Exoffice Technologies Inc. All Rights Reserved.
42 *
43 * $Id: MasterUserStore.java,v 1.1 2005/10/20 14:07:03 tanderson Exp $
44 */
45 package org.exolab.jms.tools.migration.master;
46
47 import java.sql.Connection;
48 import java.util.ArrayList;
49 import java.util.Enumeration;
50 import java.util.List;
51 import javax.jms.JMSException;
52
53 import org.exolab.jms.authentication.User;
54 import org.exolab.jms.persistence.DatabaseService;
55 import org.exolab.jms.persistence.PersistenceException;
56 import org.exolab.jms.tools.migration.IteratorAdapter;
57 import org.exolab.jms.tools.migration.Store;
58 import org.exolab.jms.tools.migration.StoreIterator;
59
60
61 /***
62 * <code>MasterMessageStore</code> manages a collection of persistent users.
63 *
64 * @author <a href="mailto:tma@netspace.net.au">Tim Anderson</a>
65 * @version $Revision: 1.1 $ $Date: 2005/10/20 14:07:03 $
66 */
67 public class MasterUserStore implements Store {
68
69 /***
70 * The database service.
71 */
72 private DatabaseService _database;
73
74
75 /***
76 * Construct a new <code>MasterUserStore</code>.
77 *
78 * @param database the database service
79 */
80 public MasterUserStore(DatabaseService database) {
81 _database = database;
82 }
83
84 /***
85 * Export the users.
86 *
87 * @return an iterator over the collection
88 * @throws JMSException for any JMS error
89 * @throws PersistenceException for any persistence error
90 */
91 public StoreIterator exportCollection() throws JMSException,
92 PersistenceException {
93 List users = getUsers();
94 return new IteratorAdapter(users.iterator());
95 }
96
97 /***
98 * Import users into the store.
99 *
100 * @param iterator an iterator over the collection
101 * @throws JMSException for any JMS error
102 * @throws PersistenceException for any persistence error
103 */
104 public void importCollection(StoreIterator iterator) throws JMSException,
105 PersistenceException {
106 Connection connection = _database.getConnection();
107 while (iterator.hasNext()) {
108 User user = (User) iterator.next();
109 _database.getAdapter().addUser(connection, user);
110 }
111 _database.commit();
112 }
113
114 /***
115 * Returns the number of elements in the collection.
116 *
117 * @return the number of elements in the collection
118 * @throws PersistenceException for any persistence error
119 */
120 public int size() throws PersistenceException {
121 return getUsers().size();
122 }
123
124 /***
125 * Returns the users.
126 *
127 * @return a list of {@link User} instances
128 * @throws PersistenceException for any persistence error
129 */
130 private List getUsers() throws PersistenceException {
131 List result = new ArrayList();
132 Enumeration users;
133 Connection connection = _database.getConnection();
134 users = _database.getAdapter().getAllUsers(connection);
135 while (users.hasMoreElements()) {
136 result.add(users.nextElement());
137 }
138 _database.commit();
139 return result;
140 }
141 }