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 2004 (C) Intalio, Inc. All Rights Reserved.
42 *
43 * $Id$
44 */
45 package org.exolab.castor.xml.handlers;
46
47 import java.sql.Time;
48 import java.util.Date;
49
50 import org.exolab.castor.mapping.GeneralizedFieldHandler;
51
52 /**
53 * An implementation of GeneralizedFieldHandler for java.sql.Time.
54 *
55 * @author <a href="kvisco@intalio.com">Keith Visco</a>
56 * @version $Revision$ $Date: 2006-04-14 04:14:43 -0600 (Fri, 14 Apr 2006) $
57 * @see org.exolab.castor.mapping.FieldDescriptor
58 * @see org.exolab.castor.mapping.FieldHandler
59 */
60 public class SQLTimeFieldHandler extends GeneralizedFieldHandler {
61
62 /**
63 * Creates a new SQLTimeFieldHandler.
64 */
65 public SQLTimeFieldHandler() {
66 super();
67 }
68
69 /**
70 * This method is used to convert the value when the getValue method is
71 * called. The getValue method will obtain the actual field value from given
72 * 'parent' object. This convert method is then invoked with the field's
73 * value. The value returned from this method will be the actual value
74 * returned by getValue method.
75 *
76 * @param value the object value to convert after performing a get operation
77 * @return the converted value.
78 */
79 public Object convertUponGet(final Object value) {
80 //-- no conversion necessary for marshaling
81 return value;
82 } //-- convertUponGet
83
84 /**
85 * This method is used to convert the value when the setValue method is
86 * called. The setValue method will call this method to obtain the converted
87 * value. The converted value will then be used as the value to set for the
88 * field.
89 *
90 * @param value the object value to convert before performing a set
91 * operation
92 * @return the converted value.
93 */
94 public Object convertUponSet(final Object value) {
95 if (value == null) {
96 return null;
97 }
98
99 String str = value.toString();
100
101 Time time = null;
102 // if ':' exists at index 2, then we probably have a valid time format: HH:MM:SS
103 if (str.indexOf(':') == 2) {
104 time = Time.valueOf(str);
105 } else {
106 //-- Try a full date YYYY-MM-DDTHH:MM:SS
107 try {
108 Date date = DateFieldHandler.parse(str);
109 time = new Time(date.getTime());
110 } catch (java.text.ParseException px) {
111 throw new IllegalStateException(px.getMessage());
112 }
113 }
114 return time;
115 } //-- convertUponSet;
116
117 /**
118 * Returns the class type for the field that this GeneralizedFieldHandler
119 * converts to and from. This should be the type that is used in the object
120 * model.
121 *
122 * @return the class type of of the field
123 */
124 public Class getFieldType() {
125 return java.sql.Time.class;
126 } //-- getFieldType
127
128 /**
129 * Creates a new instance of the object described by this field.
130 *
131 * @param parent The object for which the field is created
132 * @return A new instance of the field's value
133 * @throws IllegalStateException This field is a simple type and cannot be
134 * instantiated
135 */
136 public Object newInstance(final Object parent) throws IllegalStateException {
137 return new java.sql.Time(0);
138 }
139
140 } //-- SQLTimeFieldHandler