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1   /**
2    * This file Copyright (c) 2008-2018 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.content2bean.impl;
35  
36  import info.magnolia.content2bean.PropertyTypeDescriptor;
37  import info.magnolia.content2bean.TransformationState;
38  import info.magnolia.content2bean.TypeDescriptor;
39  import info.magnolia.content2bean.TypeMapping;
40  import info.magnolia.objectfactory.ComponentProvider;
41  
42  import java.lang.reflect.Method;
43  import java.util.Map;
44  import java.util.Map.Entry;
45  
46  import org.slf4j.Logger;
47  import org.slf4j.LoggerFactory;
48  
49  /**
50   * A transformer which "hides" a collection node. Extend or pass the type and node name in the constructor.
51   *
52   * @deprecated since 5.2.4 - use {@link info.magnolia.jcr.node2bean.impl.CollectionPropertyHidingTransformer} instead.
53   */
54  @Deprecated
55  public class CollectionPropertyHidingTransformer extends Content2BeanTransformerImpl {
56  
57      private static Logger log = LoggerFactory.getLogger(CollectionPropertyHidingTransformer.class);
58  
59      private final Class beanClass;
60      private final String collectionName;
61  
62      private TypeDescriptor type;
63  
64      private PropertyTypeDescriptor propertyDescriptor;
65  
66      private Method addMethod;
67  
68      private TypeDescriptor propertyType;
69  
70      public CollectionPropertyHidingTransformer(Class<?> beanClass, String collectionName) {
71          super();
72          this.beanClass = beanClass;
73          this.collectionName = collectionName;
74  
75          // TODO won't work since this.typeMapping is @Inject or passed, we don't have it yet.
76  //        type =  getTypeMapping().getTypeDescriptor(beanClass);
77  //        propertyDescriptor = type.getPropertyTypeDescriptor(collectionName);
78  //        addMethod = propertyDescriptor.getAddMethod();
79  //        propertyType = propertyDescriptor.getCollectionEntryType();
80      }
81  
82      @Override
83      protected TypeDescriptor onResolveType(TypeMapping typeMapping, TransformationState state, TypeDescriptor resolvedType, ComponentProvider componentProvider) {
84          // lazy init, we need TypeMapping
85          if (type == null) {
86              type = typeMapping.getTypeDescriptor(beanClass);
87              propertyDescriptor = type.getPropertyTypeDescriptor(collectionName, typeMapping);
88              addMethod = propertyDescriptor.getAddMethod();
89              propertyType = propertyDescriptor.getCollectionEntryType();
90          }
91  
92          if (resolvedType == null) {
93              // if we are transforming a child node which does not define
94              // the class to be used, return the type of the collection entries
95  
96              // if the parent type is of the handled type
97              // this is the case when we are transforming children nodes)
98              if (state.getLevel() > 1 && state.getCurrentType().equals(type)) {
99                  // make it the default
100                 // use property descriptor
101                 resolvedType = propertyType;
102             }
103         }
104         return resolvedType;
105     }
106 
107     @Override
108     public void setProperty(TypeMapping typeMapping, TransformationState state, PropertyTypeDescriptor descriptor, Map<String, Object> values) {
109         if (descriptor.getName().equals(collectionName)) {
110             Object bean = state.getCurrentBean();
111 
112             for (Entry<String, Object> entry : values.entrySet()) {
113                 String key = entry.getKey();
114                 Object value = entry.getValue();
115 
116                 if (propertyType.getType().isInstance(value)) {
117                     try {
118                         if (propertyDescriptor.isCollection()) {
119                             addMethod.invoke(bean, value);
120                         } else {
121                             addMethod.invoke(bean, key, value);
122                         }
123                     } catch (Exception e) {
124                         log.error("Can't call adder method {}", propertyDescriptor.getAddMethod(), e);
125                     }
126                 }
127             }
128         } else {
129             super.setProperty(typeMapping, state, descriptor, values);
130         }
131     }
132 }