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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  
18  package org.apache.commons.lang3.builder;
19  
20  import java.lang.reflect.Field;
21  import java.util.Objects;
22  
23  /**
24   * Package-private reflection code.
25   */
26  final class Reflection {
27  
28      /**
29       * Delegates to {@link Field#get(Object)} and rethrows {@link IllegalAccessException} as {@link IllegalArgumentException}.
30       *
31       * @param field The receiver of the get call.
32       * @param obj   The argument of the get call.
33       * @return The result of the get call.
34       * @throws IllegalArgumentException Thrown after catching {@link IllegalAccessException}.
35       */
36      static Object getUnchecked(final Field field, final Object obj) {
37          try {
38              return Objects.requireNonNull(field, "field").get(obj);
39          } catch (final IllegalAccessException e) {
40              throw new IllegalArgumentException(e);
41          }
42      }
43  
44  }