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1   /**
2    * This file Copyright (c) 2012-2015 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;
35  
36  import info.magnolia.objectfactory.ComponentProvider;
37  
38  import java.util.Map;
39  
40  import javax.jcr.Node;
41  import javax.jcr.NodeIterator;
42  import javax.jcr.RepositoryException;
43  
44  /**
45   * Contract for transformation from node to java beans.
46   */
47  public interface Node2BeanTransformer {
48      /**
49       * Create a state object to share the state between the processor and transformer.
50       */
51      public TransformationState newState();
52  
53      /**
54       * Resolves the class to use for the current node.
55       */
56      public TypeDescriptor resolveType(TypeMapping typeMapping, TransformationState state, ComponentProvider componentProvider) throws ClassNotFoundException, RepositoryException;
57  
58      /**
59       * Returns the children of the node to be transformed. Those are normally the direct children but might differ.
60       */
61      public NodeIterator getChildren(Node node) throws RepositoryException;
62  
63      /**
64       * Instantiates the bean.
65       */
66      public Object newBeanInstance(TransformationState state, Map<String, Object> values, ComponentProvider componentProvider) throws Node2BeanException;
67  
68      /**
69       * Called after all properties are set.
70       */
71      public void initBean(TransformationState state, Map<String, Object> values) throws Node2BeanException;
72  
73  
74      /**
75       * Set this property on that bean. Allows excluding of properties.
76       */
77      public void setProperty(TypeMapping typeMapping, TransformationState state, PropertyTypeDescriptor descriptor, Map<String, Object> values) throws RepositoryException;
78  
79      /**
80       * Transforms the simple basic jcr property value objects to more complex properties.
81       */
82      public Object convertPropertyValue(Class<?> propertyType, Object value) throws Node2BeanException;
83  
84  }