1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.lang3.builder;
18
19 import static org.junit.jupiter.api.Assertions.assertEquals;
20
21 import java.lang.reflect.Field;
22
23 import org.apache.commons.lang3.AbstractLangTest;
24 import org.junit.jupiter.api.Test;
25
26 /**
27 * Tests {@link ReflectionToStringBuilder} always uses {@link ReflectionToStringBuilder#getValue(Field)} to get the
28 * value of every field in the class.
29 */
30 public class ReflectionToStringBuilderCustomImplementationTest extends AbstractLangTest {
31
32 public static class CustomReflectionToStringBuilder extends ReflectionToStringBuilder {
33
34 private static final String CUSTOM_PREFIX = "prefix:";
35
36 public CustomReflectionToStringBuilder(Object object, ToStringStyle toStringStyle) {
37 super(object, toStringStyle);
38 }
39
40 @Override
41 protected Object getValue(Field field) throws IllegalAccessException {
42 return CUSTOM_PREFIX + super.getValue(field);
43 }
44 }
45
46 @SuppressWarnings("unused") // Used indirectly by ReflectionToStringBuilder
47 private final String stringField = "string";
48
49 @Test
50 public void testBuild() {
51 assertEquals("[stringField=prefix:string]",
52 new CustomReflectionToStringBuilder(this, ToStringStyle.NO_CLASS_NAME_STYLE).build());
53 }
54
55 }