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Apache Commons BeanUtils provides an easy-to-use but flexible wrapper around reflection and introspection.

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/*
 * 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
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
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package org.apache.commons.beanutils2;

import java.lang.reflect.InvocationTargetException;

/**
 * 

* 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. *

* *

* IMPLEMENTATION NOTE - This implementation does not support the {@code contains() and remove()} methods. *

*/ 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); } } }




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