001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.beanutils; 018 019/** 020 * <p>{@link BeanUtilsBean} implementation that creates a 021 * {@link ConvertUtilsBean2} and delegates conversion to 022 * {@link ConvertUtilsBean#convert(Object, Class)}. 023 * </p> 024 * 025 * <p> 026 * To configure this implementation for the current context ClassLoader invoke 027 * <code>BeanUtilsBean.setInstance(new BeanUtilsBean2());</code> 028 * </p> 029 * 030 * <p> 031 * BeanUtils 1.7.0 delegated all conversion to String to the converter 032 * registered for the <code>String.class</code>. One of the improvements in 033 * BeanUtils 1.8.0 was to upgrade the {@link Converter} implementations so 034 * that they could handle conversion to String for their type (e.g. 035 * IntegerConverter now handles conversion from an Integer to a String as 036 * well as String to Integer). 037 * </p> 038 * 039 * <p> 040 * In order to take advantage of these improvements BeanUtils needs to change 041 * how it gets the appropriate {@link Converter}. This functionality has been 042 * implemented in the new {@link ConvertUtilsBean#lookup(Class, Class)} and 043 * {@link ConvertUtilsBean#convert(Object, Class)} methods. However changing 044 * {@link BeanUtilsBean} to use these methods could create compatibility 045 * issues for existing users. In order to avoid that, this new 046 * {@link BeanUtilsBean} implementation has been created (and the associated 047 * {@link ConvertUtilsBean2}). 048 * </p> 049 * 050 * @see ConvertUtilsBean2 051 * @version $Id$ 052 * @since 1.8.0 053 */ 054public class BeanUtilsBean2 extends BeanUtilsBean { 055 056 /** 057 * <p>Constructs an instance using new property 058 * and conversion instances.</p> 059 */ 060 public BeanUtilsBean2() { 061 super(new ConvertUtilsBean2()); 062 } 063 064 /** 065 * <p>Convert the value to an object of the specified class (if 066 * possible).</p> 067 * 068 * @param value Value to be converted (may be null) 069 * @param type Class of the value to be converted to 070 * @return The converted value 071 */ 072 @Override 073 protected Object convert(final Object value, final Class<?> type) { 074 return getConvertUtils().convert(value, type); 075 } 076}