/* * 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.beanutils; import java.lang.reflect.InvocationTargetException; /** * <p>Implementation of <code>DynaBean</code> that wraps 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()</code> methods.</p> * * @author James Strachan * @version $Revision: 926529 $ $Date: 2010-03-23 11:44:24 +0000 (Tue, 23 Mar 2010) $ */ public class ConvertingWrapDynaBean extends WrapDynaBean { /** * Construct a new <code>DynaBean</code> associated with the specified * JavaBean instance. * * @param instance JavaBean instance to be wrapped */ public ConvertingWrapDynaBean(Object instance) { super(instance); } /** * Set 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 * * @exception IllegalArgumentException if there are any problems * copying the property. */ public void set(String name, Object value) { try { BeanUtils.copyProperty(instance, name, value); } catch (InvocationTargetException ite) { Throwable cause = ite.getTargetException(); throw new IllegalArgumentException ("Error setting property '" + name + "' nested exception - " + cause); } catch (Throwable t) { IllegalArgumentException iae = new IllegalArgumentException ("Error setting property '" + name + "', exception - " + t); BeanUtils.initCause(iae, t); throw iae; } } }