1 /** 2 * This file Copyright (c) 2003-2014 Magnolia International 3 * Ltd. (http://www.magnolia-cms.com). All rights reserved. 4 * 5 * 6 * This file is dual-licensed under both the Magnolia 7 * Network Agreement and the GNU General Public License. 8 * You may elect to use one or the other of these licenses. 9 * 10 * This file is distributed in the hope that it will be 11 * useful, but AS-IS and WITHOUT ANY WARRANTY; without even the 12 * implied warranty of MERCHANTABILITY or FITNESS FOR A 13 * PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT. 14 * Redistribution, except as permitted by whichever of the GPL 15 * or MNA you select, is prohibited. 16 * 17 * 1. For the GPL license (GPL), you can redistribute and/or 18 * modify this file under the terms of the GNU General 19 * Public License, Version 3, as published by the Free Software 20 * Foundation. You should have received a copy of the GNU 21 * General Public License, Version 3 along with this program; 22 * if not, write to the Free Software Foundation, Inc., 51 23 * Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 24 * 25 * 2. For the Magnolia Network Agreement (MNA), this file 26 * and the accompanying materials are made available under the 27 * terms of the MNA which accompanies this distribution, and 28 * is available at http://www.magnolia-cms.com/mna.html 29 * 30 * Any modifications to this file must keep this entire header 31 * intact. 32 * 33 */ 34 package info.magnolia.module.model.reader; 35 36 import org.apache.commons.beanutils.ConvertUtils; 37 import org.apache.commons.beanutils.Converter; 38 import org.apache.commons.betwixt.strategy.TypeBindingStrategy; 39 40 import java.util.HashSet; 41 import java.util.Set; 42 43 /** 44 * A TypeBindingStrategy for Betwixt where we can register our own {@link Converter}s. When such a Converter 45 * is registered, betwixt will attempt to convert the xml element's value from String to object. 46 * <strong>Beware</strong>, these converters are registered globally, thanks to the singleton-esque nature 47 * of BeanUtils. If a cleaner solution is found, it will be much welcome. 48 * 49 * @author gjoseph 50 * @version $Revision: $ ($Author: $) 51 */ 52 class BetwixtBindingStrategy extends TypeBindingStrategy { 53 private final TypeBindingStrategy delegate = new TypeBindingStrategy.Default(); 54 private final Set<Class<?>> convertedClasses; 55 56 BetwixtBindingStrategy() { 57 this.convertedClasses = new HashSet<Class<?>>(); 58 } 59 60 void registerConverter(Class<?> clazz, Converter converter) { 61 convertedClasses.add(clazz); 62 // yuck, configuring the beanutils singleton - should be OK though, it's unlikely a 3rd party would use our model classes. 63 ConvertUtils.register(converter, clazz); 64 } 65 66 @Override 67 public TypeBindingStrategy.BindingType bindingType(Class type) { 68 if (convertedClasses.contains(type)) { 69 return TypeBindingStrategy.BindingType.PRIMITIVE; 70 } 71 return delegate.bindingType(type); 72 } 73 }