1 /*
2 ORG Usurper is a random value object generator library
3 Copyright (C) 2007 Pierre-Antoine Grégoire
4
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
9
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
14
15 You should have received a copy of the GNU Lesser General Public
16 License along with this library; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20 package org.org.usurper.handlers.basic;
21
22 import java.util.Random;
23
24 import org.org.usurper.handlers.IHandler;
25 import org.org.usurper.model.HandledBeanProperty;
26 import org.org.usurper.model.HandledConstructorArg;
27
28 /**
29 * This type returns a random value of a given enum type.
30 *
31 * @author pagregoire
32 */
33 public final class EnumHandler implements IHandler {
34
35 /**
36 * @see org.org.usurper.handlers.IHandler#handle(org.org.usurper.model.HandledBeanProperty)
37 */
38 public Object handle(HandledBeanProperty handledBeanProperty) {
39 return doHandle(handledBeanProperty.getPropertyClass());
40 }
41
42 /**
43 * @see org.org.usurper.handlers.IHandler#handle(org.org.usurper.model.HandledConstructorArg)
44 */
45 public Object handle(HandledConstructorArg handledConstructorArg) {
46 return doHandle(handledConstructorArg.getConstructorArgClass());
47 }
48
49 /**
50 * Does the handling for a given class.
51 *
52 * @param entityClass
53 * the entity class
54 *
55 * @return the object
56 */
57 private Object doHandle(Class<?> entityClass) {
58 Object[] enumValues = entityClass.getEnumConstants();
59 int random = new Random().nextInt(enumValues.length);
60 return enumValues[random];
61 }
62
63 }