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 * https://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
18 package org.apache.commons.lang3.builder;
19
20 import static org.junit.jupiter.api.Assertions.assertEquals;
21
22 import java.lang.reflect.Field;
23
24 import org.junit.jupiter.api.Test;
25
26 /**
27 * Tests {@link ReflectionToStringBuilder} always uses {@link ReflectionToStringBuilder#getValue(Field)} to get the value of every field in the class.
28 */
29 class ReflectionToStringBuilderCustomImplementationTest extends AbstractBuilderTest {
30
31 public static class CustomReflectionToStringBuilder extends ReflectionToStringBuilder {
32
33 private static final String CUSTOM_PREFIX = "prefix:";
34
35 CustomReflectionToStringBuilder(final Object object, final ToStringStyle toStringStyle) {
36 super(object, toStringStyle);
37 }
38
39 @Override
40 protected Object getValue(final Field field) throws IllegalAccessException {
41 return CUSTOM_PREFIX + super.getValue(field);
42 }
43 }
44
45 @SuppressWarnings("unused") // Used indirectly by ReflectionToStringBuilder
46 private final String stringField = "string";
47
48 @Test
49 void testBuild() {
50 assertEquals("[stringField=" + accessibleString("prefix:string") + "]",
51 new CustomReflectionToStringBuilder(this, ToStringStyle.NO_CLASS_NAME_STYLE).build());
52 }
53 }