1 package org.apache.commons.beanutils2;
2
3 /*
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 import static org.apache.commons.beanutils2.Assertions.checkArgument;
23
24 import java.lang.reflect.Method;
25
26 final class DefaultIndexedPropertySetterAccessor<B>
27 implements IndexedPropertySetterAccessor<B>
28 {
29
30 private final B bean;
31
32 private final String propertyName;
33
34 private final Method indexedSetterMethod;
35
36 public DefaultIndexedPropertySetterAccessor( B bean, String propertyName, Method indexedSetterMethod )
37 {
38 this.bean = bean;
39 this.propertyName = propertyName;
40 this.indexedSetterMethod = indexedSetterMethod;
41 }
42
43 /**
44 * {@inheritDoc}
45 */
46 public BeanPropertySetter<B> at( int index )
47 {
48 checkArgument( index >= 0, "Indexed property '%s' in bean of type %s cannot be get from a negative index %s",
49 propertyName, bean.getClass().getName(), index );
50 return new DefaultIndexedPropertySetter<B>( bean, propertyName, indexedSetterMethod, index );
51 }
52
53 }