    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.util.Map;
    20  import java.beans.PropertyDescriptor;
    21  import java.lang.reflect.InvocationTargetException;
    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  public class PropsFirstPropertyUtilsBean extends PropertyUtilsBean {
    29
    30      public PropsFirstPropertyUtilsBean() {
    31          super();
    32      }
    33
    34      /***
    35       * Note: this is a *very rough* override of this method. In particular,
    36       * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
    37       * propertyName, so propertyNames like "a(b)" or "a[3]" will not
    38       * be correctly handled.
    39       */
    40      protected Object getPropertyOfMapBean(Map bean, String propertyName)
    41      throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
    42
    43          PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
    44          if (descriptor == null) {
    45              // no simple property exists so return the value from the map
    46              return bean.get(propertyName);
    47          } else {
    48              // a simple property exists so return its value instead.
    49              return getSimpleProperty(bean, propertyName);
    50          }
    51      }
    52
    53      /***
    54       * Note: this is a *very rough* override of this method. In particular,
    55       * it does not handle MAPPED_DELIM and INDEXED_DELIM chars in the
    56       * propertyName, so propertyNames like "a(b)" or "a[3]" will not
    57       * be correctly handled.
    58       */
    59      protected void setPropertyOfMapBean(Map bean, String propertyName, Object value)
    60          throws IllegalAccessException, InvocationTargetException, NoSuchMethodException {
    61          PropertyDescriptor descriptor = getPropertyDescriptor(bean, propertyName);
    62          if (descriptor == null) {
    63              // no simple property exists so put the value into the map
    64              bean.put(propertyName, value);
    65          } else {
    66              // a simple property exists so set that instead.
    67              setSimpleProperty(bean, propertyName, value);
    68          }
    69      }
    70  }