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.beanutils2;
19
20 import java.lang.reflect.InvocationTargetException;
21
22 /**
23 * <p>
24 * Implements {@link DynaBean} to wrap a standard JavaBean instance, so that DynaBean APIs can be used to access its properties, though this implementation
25 * allows type conversion to occur when properties are set. This means that (say) Strings can be passed in as values in setter methods and this DynaBean will
26 * convert them to the correct primitive data types.
27 * </p>
28 *
29 * <p>
30 * <strong>IMPLEMENTATION NOTE</strong> - This implementation does not support the {@code contains()</code> and <code>remove()} methods.
31 * </p>
32 */
33 public class ConvertingWrapDynaBean extends WrapDynaBean {
34
35 private static final long serialVersionUID = 1L;
36
37 /**
38 * Constructs a new {@code DynaBean} associated with the specified JavaBean instance.
39 *
40 * @param instance JavaBean instance to be wrapped
41 */
42 public ConvertingWrapDynaBean(final Object instance) {
43 super(instance);
44 }
45
46 /**
47 * Sets the value of the property with the specified name performing any type conversions if necessary. So this method can accept String values for
48 * primitive numeric data types for example.
49 *
50 * @param name Name of the property whose value is to be set
51 * @param value Value to which this property is to be set
52 * @throws IllegalArgumentException if there are any problems copying the property.
53 */
54 @Override
55 public void set(final String name, final Object value) {
56 try {
57 BeanUtils.copyProperty(instance, name, value);
58 } catch (final InvocationTargetException ite) {
59 final Throwable cause = ite.getTargetException();
60 throw new IllegalArgumentException("Error setting property '" + name + "' nested exception - " + cause);
61 } catch (final Throwable t) {
62 throw new IllegalArgumentException("Error setting property '" + name + "', exception - " + t, t);
63 }
64
65 }
66 }