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 Intalio, Inc. 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 Intalio, Inc. Exolab is a registered
23 * trademark of Intalio, Inc.
24 *
25 * 5. Due credit should be given to the Exolab Project
26 * (http://www.exolab.org/).
27 *
28 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. 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 * INTALIO, INC. 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 1999 (C) Intalio, Inc. All Rights Reserved.
42 *
43 * $Id$
44 */
45
46 package org.exolab.castor.mapping.loader;
47
48 import java.util.ArrayList;
49 import java.util.Collection;
50 import java.util.Enumeration;
51 import java.util.Iterator;
52 import java.util.List;
53 import java.util.Map;
54 import java.util.PriorityQueue;
55 import java.util.Set;
56 import java.util.SortedMap;
57 import java.util.SortedSet;
58
59 import org.exolab.castor.mapping.loader.collection.handler.ArrayListCollectionHandler;
60 import org.exolab.castor.mapping.loader.collection.handler.CollectionCollectionHandler;
61 import org.exolab.castor.mapping.loader.collection.handler.IteratorCollectionHandler;
62 import org.exolab.castor.mapping.loader.collection.handler.ListCollectionHandler;
63 import org.exolab.castor.mapping.loader.collection.handler.MapCollectionHandler;
64 import org.exolab.castor.mapping.loader.collection.handler.QueueCollectionHandler;
65 import org.exolab.castor.mapping.loader.collection.handler.SetCollectionHandler;
66 import org.exolab.castor.mapping.loader.collection.handler.SortedMapCollectionHandler;
67 import org.exolab.castor.mapping.loader.collection.handler.SortedSetCollectionHandler;
68
69 /**
70 * Implementation of various collection handlers for the Java 1.2 libraries.
71 *
72 * @author <a href="arkin@intalio.com">Assaf Arkin</a>
73 * @version $Revision$ $Date: 2006-04-26 13:08:15 -0600 (Wed, 26 Apr
74 * 2006) $
75 */
76 public final class J2CollectionHandlers {
77
78 /**
79 * List of all the default collection handlers.
80 */
81 private static CollectionHandlers.Info[] collectionHandlers;
82
83 static {
84 collectionHandlers = new CollectionHandlers.Info[] {
85 new CollectionHandlers.Info("list", List.class, false, new ListCollectionHandler()),
86 new CollectionHandlers.Info("arraylist", ArrayList.class, false, new ArrayListCollectionHandler()),
87 // For Collection/ArrayList (1.2)
88 new CollectionHandlers.Info("collection", Collection.class, false, new CollectionCollectionHandler()),
89 // For Queue (1.2)
90 new CollectionHandlers.Info("priorityqueue", PriorityQueue.class, false, new QueueCollectionHandler()),
91 // For Set/HashSet (1.2)
92 new CollectionHandlers.Info("set", Set.class, false, new SetCollectionHandler()),
93 // For Map/HashMap (1.2)
94 new CollectionHandlers.Info("map", Map.class, false, new MapCollectionHandler()),
95 // For SortedSet (1.2 aka 1.4)
96 new CollectionHandlers.Info("sortedset", SortedSet.class, false, new SortedSetCollectionHandler()),
97 // For SortedMap (1.2 aka 1.4)
98 new CollectionHandlers.Info("sortedmap", SortedMap.class, false, new SortedMapCollectionHandler()),
99 // For java.util.Iterator
100 new CollectionHandlers.Info("iterator", Iterator.class, false, new IteratorCollectionHandler())
101 };
102 }
103
104 public static CollectionHandlers.Info[] getCollectionHandlersInfo() {
105 return collectionHandlers;
106 }
107
108 /**
109 * Enumerator for an iterator.
110 */
111 public static final class IteratorEnumerator<T> implements Enumeration<T> {
112
113 private final Iterator<T> _iterator;
114
115 public IteratorEnumerator(Iterator<T> iterator) {
116 _iterator = iterator;
117 }
118
119 public boolean hasMoreElements() {
120 return _iterator.hasNext();
121 }
122
123 public T nextElement() {
124 return _iterator.next();
125 }
126
127 }
128
129 }