ConvertingWrapDynaBean.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.commons.beanutils2;

import java.lang.reflect.InvocationTargetException;

/**
 * <p>
 * Implements {@link DynaBean} to wrap a standard JavaBean instance, so that DynaBean APIs can be used to access its properties, though this implementation
 * 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
 * convert them to the correct primitive data types.
 * </p>
 *
 * <p>
 * <strong>IMPLEMENTATION NOTE</strong> - This implementation does not support the {@code contains()</code> and <code>remove()} methods.
 * </p>
 */
public class ConvertingWrapDynaBean extends WrapDynaBean {

    private static final long serialVersionUID = 1L;

    /**
     * Constructs a new {@code DynaBean} associated with the specified JavaBean instance.
     *
     * @param instance JavaBean instance to be wrapped
     */
    public ConvertingWrapDynaBean(final Object instance) {
        super(instance);
    }

    /**
     * Sets the value of the property with the specified name performing any type conversions if necessary. So this method can accept String values for
     * primitive numeric data types for example.
     *
     * @param name  Name of the property whose value is to be set
     * @param value Value to which this property is to be set
     * @throws IllegalArgumentException if there are any problems copying the property.
     */
    @Override
    public void set(final String name, final Object value) {
        try {
            BeanUtils.copyProperty(instance, name, value);
        } catch (final InvocationTargetException ite) {
            final Throwable cause = ite.getTargetException();
            throw new IllegalArgumentException("Error setting property '" + name + "' nested exception - " + cause);
        } catch (final Throwable t) {
            throw new IllegalArgumentException("Error setting property '" + name + "', exception - " + t, t);
        }

    }
}