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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  package org.apache.commons.beanutils;
18  
19  import java.beans.PropertyDescriptor;
20  import java.lang.reflect.InvocationTargetException;
21  import java.util.Map;
22  
23  /**
24   * A PropertyUtilsBean which customises the behaviour of the
25   * setNestedProperty and getNestedProperty methods to look for
26   * simple properties in preference to map entries.
27   *
28   * @version $Id$
29   */
30  public class PropsFirstPropertyUtilsBean extends PropertyUtilsBean {
31  
32      public PropsFirstPropertyUtilsBean() {
33          super();
34      }
35  
36      /**
37       * Note: this is a *very rough* override of this method. In particular,
38       * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
39       * propertyName, so propertyNames like "a(b)" or "a[3]" will not
40       * be correctly handled.
41       */
42      @Override
43      protected Object getPropertyOfMapBean(final Map<?, ?> bean, final String propertyName)
44      throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
45  
46          final PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
47          if (descriptor == null) {
48              // no simple property exists so return the value from the map
49              return bean.get(propertyName);
50          } else {
51              // a simple property exists so return its value instead.
52              return getSimpleProperty(bean, propertyName);
53          }
54      }
55  
56      /**
57       * Note: this is a *very rough* override of this method. In particular,
58       * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
59       * propertyName, so propertyNames like "a(b)" or "a[3]" will not
60       * be correctly handled.
61       */
62      @Override
63      protected void setPropertyOfMapBean(final Map<String, Object> bean, final String propertyName, final Object value)
64          throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
65          final PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
66          if (descriptor == null) {
67              // no simple property exists so put the value into the map
68              bean.put(propertyName, value);
69          } else {
70              // a simple property exists so set that instead.
71              setSimpleProperty(bean, propertyName, value);
72          }
73      }
74  }