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1   /**
2    * This file Copyright (c) 2014-2018 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.jcr.node2bean.impl;
35  
36  import info.magnolia.module.model.Version;
37  
38  import java.text.MessageFormat;
39  import java.util.Locale;
40  import java.util.regex.Pattern;
41  
42  import org.apache.commons.beanutils.BeanUtilsBean;
43  import org.apache.commons.beanutils.ConvertUtilsBean;
44  import org.apache.commons.beanutils.Converter;
45  import org.apache.commons.beanutils.PropertyUtilsBean;
46  
47  import com.google.common.net.MediaType;
48  
49  /**
50   * A wrapper around beanutils where we centrally register our custom converters.
51   * We use non-static BeanUtils conversion, so we can
52   * <ul>
53   * <li>use our custom ConvertUtilsBean
54   * <li>control converters (convertUtilsBean.register()) - we can de/register them here, locally, as opposed to a global ConvertUtils.register()
55   * </ul>
56   * Here we de-register the default converter for Class, as we do our own conversion in
57   * {@link Node2BeanTransformerImpl#convertPropertyValue(Class, Object)} or {@link info.magnolia.map2bean.Map2BeanTransformer#readSimpleValue(info.magnolia.map2bean.TransformationState)}
58   */
59  public class PreConfiguredBeanUtils extends BeanUtilsBean {
60  
61      public PreConfiguredBeanUtils() {
62          super(new EnumAwareConvertUtilsBean(), new PropertyUtilsBean());
63  
64          final ConvertUtilsBean convertUtilsBean = this.getConvertUtils();
65  
66          convertUtilsBean.deregister(Class.class);
67  
68          convertUtilsBean.register(new Converter() {
69              @Override
70              public Object convert(Class type, Object value) {
71                  return new MessageFormat((String) value);
72              }
73          }, MessageFormat.class);
74  
75          convertUtilsBean.register(new Converter() {
76              @Override
77              public Object convert(Class type, Object value) {
78                  return Pattern.compile((String) value);
79              }
80          }, Pattern.class);
81  
82          convertUtilsBean.register(new Converter() {
83              @Override
84              public Object convert(Class type, Object value) {
85                  return MediaType.parse((String) value);
86              }
87          }, MediaType.class);
88  
89          convertUtilsBean.register(new Converter() {
90              @Override
91              public Object convert(Class type, Object value) {
92                  return Version.parseVersion(String.valueOf(value));
93              }
94          }, Version.class);
95  
96          convertUtilsBean.register(new Converter() {
97              @Override
98              public Object convert(Class type, Object value) {
99                  return value instanceof String ? Locale.forLanguageTag((String) value) : value;
100             }
101         }, Locale.class);
102     }
103 }