1 /*
2 * Redistribution and use of this software and associated documentation ("Software"), with or
3 * without modification, are permitted provided that the following conditions are met:
4 *
5 * 1. Redistributions of source code must retain copyright statements and notices. Redistributions
6 * must also contain a copy of this document.
7 *
8 * 2. Redistributions in binary form must reproduce the above copyright notice, this list of
9 * conditions and the following disclaimer in the documentation and/or other materials provided with
10 * the distribution.
11 *
12 * 3. The name "Exolab" must not be used to endorse or promote products derived from this Software
13 * without prior written permission of Intalio, Inc. For written permission, please contact
14 * info@exolab.org.
15 *
16 * 4. Products derived from this Software may not be called "Exolab" nor may "Exolab" appear in
17 * their names without prior written permission of Intalio, Inc. Exolab is a registered trademark of
18 * Intalio, Inc.
19 *
20 * 5. Due credit should be given to the Exolab Project (http://www.exolab.org/).
21 *
22 * THIS SOFTWARE IS PROVIDED BY INTALIO, INC. AND CONTRIBUTORS ``AS IS'' AND ANY EXPRESSED OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
24 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL INTALIO, INC. OR ITS
25 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
29 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * Copyright 2003-2004 (C) Intalio, Inc. All Rights Reserved.
32 *
33 * $Id$
34 */
35 package org.exolab.castor.xml.descriptors;
36
37 import org.exolab.castor.mapping.FieldHandler;
38 import org.exolab.castor.xml.NodeType;
39 import org.exolab.castor.xml.XMLFieldHandler;
40 import org.exolab.castor.xml.util.XMLClassDescriptorImpl;
41 import org.exolab.castor.xml.util.XMLFieldDescriptorImpl;
42
43 /**
44 * The default class descriptor for Enumerations that are passed in as the root-level class, this is
45 * really only useful for marshaling, as Enumerations are immutable.
46 *
47 * @author <a href="mailto:kvisco-at-intalio.com">Keith Visco</a>
48 * @version $Revision$ $Date: 2004-12-16 22:49:25 -0700 (Thu, 16 Dec 2004) $
49 */
50 public class EnumerationDescriptor extends XMLClassDescriptorImpl {
51
52 // ----------------/
53 // - Constructors -/
54 // ----------------/
55
56 /**
57 * Creates a new EnumerationDescriptor.
58 */
59 public EnumerationDescriptor() {
60 super(java.util.Enumeration.class);
61 // -- create element descriptor
62
63 XMLFieldDescriptorImpl desc =
64 new XMLFieldDescriptorImpl(Object.class, "_elements", null, NodeType.Element);
65
66 FieldHandler handler = (new XMLFieldHandler() {
67
68 /**
69 * {@inheritDoc}
70 */
71 public Object getValue(final Object object) throws IllegalStateException {
72 return object;
73 }
74
75 /**
76 * {@inheritDoc}
77 */
78 public void setValue(final Object object, final Object value)
79 throws IllegalStateException, IllegalArgumentException {
80 // -- do nothing since enumerations are immutable.
81 }
82
83 /**
84 * {@inheritDoc}
85 */
86 public Object newInstance(final Object parent) {
87 // -- not used
88 return null;
89 }
90 });
91 desc.setHandler(handler);
92 desc.setMultivalued(true);
93
94 addFieldDescriptor(desc);
95 } // -- EnumerationDescriptor()
96
97 } // -- EnumerationDescriptor