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1   /**
2    *    Copyright 2009-2019 the original author or authors.
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 org.apache.ibatis.reflection.property;
17  
18  import java.lang.reflect.Field;
19  
20  import org.apache.ibatis.reflection.Reflector;
21  
22  /**
23   * @author Clinton Begin
24   */
25  public final class PropertyCopier {
26  
27    private PropertyCopier() {
28      // Prevent Instantiation of Static Class
29    }
30  
31    public static void copyBeanProperties(Class<?> type, Object sourceBean, Object destinationBean) {
32      Class<?> parent = type;
33      while (parent != null) {
34        final Field[] fields = parent.getDeclaredFields();
35        for (Field field : fields) {
36          try {
37            try {
38              field.set(destinationBean, field.get(sourceBean));
39            } catch (IllegalAccessException e) {
40              if (Reflector.canControlMemberAccessible()) {
41                field.setAccessible(true);
42                field.set(destinationBean, field.get(sourceBean));
43              } else {
44                throw e;
45              }
46            }
47          } catch (Exception e) {
48            // Nothing useful to do, will only fail on final fields, which will be ignored.
49          }
50        }
51        parent = parent.getSuperclass();
52      }
53    }
54  
55  }