1 /*******************************************************************************
2 * Copyright 2013 André Rouél and Dominik Seichter
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 ******************************************************************************/
16 package net.sf.qualitytest.blueprint.strategy.creation;
17
18 import net.sf.qualitycheck.Check;
19
20 /**
21 * Creation strategy which creates an enum using the first value in an enum constant.
22 *
23 * @author Dominik Seichter
24 *
25 */
26 public class DefaultEnumCreationStrategy extends ValueCreationStrategy<Enum<?>> {
27
28 /**
29 * Blueprint an enum value using the default configuration.
30 *
31 * This method will return the first enum constant in the enumeration.
32 *
33 * @param <T>
34 * @param expectedClazz
35 * the class of an enumeration.
36 * @return a valid enum value.
37 */
38 @SuppressWarnings("unchecked")
39 @Override
40 public Enum<?> createValue(final Class<?> expectedClazz) {
41 Check.notNull(expectedClazz, "expectedClazz");
42 final Class<? extends Enum<?>> enumClazz = (Class<? extends Enum<?>>) expectedClazz;
43 final Enum<?>[] enumConstants = enumClazz.getEnumConstants();
44 return enumConstants.length > 0 ? enumConstants[0] : null;
45 }
46
47 }