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1   /**
2    * This file Copyright (c) 2013-2017 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.security.app.dialog.field.property;
35  
36  import info.magnolia.ui.form.field.definition.ConfiguredFieldDefinition;
37  import info.magnolia.ui.form.field.transformer.basic.BasicTransformer;
38  
39  import java.util.HashSet;
40  import java.util.Set;
41  
42  import javax.inject.Inject;
43  
44  import com.vaadin.v7.data.Item;
45  import com.vaadin.v7.data.Property;
46  import com.vaadin.v7.data.util.ObjectProperty;
47  
48  /**
49   * {@link info.magnolia.ui.form.field.transformer.Transformer Transformer} implementation used for {@link info.magnolia.security.app.dialog.field.RoleManagementFieldFactory} and {@link info.magnolia.security.app.dialog.field.GroupManagementFieldFactory}.
50   * 
51   * @param <T>
52   */
53  public class ManagementFieldTransformer<T> extends BasicTransformer<T> {
54      private Set<String> assignedEntity;
55      private String entityName;
56  
57      @Inject
58      public ManagementFieldTransformer(Item parent, ConfiguredFieldDefinition definition, Class<?> type, Set<String> assignedEntity, String entityName) {
59          super(parent, definition, (Class<T>) type);
60          this.assignedEntity = assignedEntity;
61          this.entityName = entityName;
62      }
63  
64  
65      /**
66       * Do nothing yet.
67       * Save is currently handled by an embedded logic.
68       */
69      @Override
70      public void writeToItem(T newValue) {
71          if (newValue == null) {
72              newValue = (T) new HashSet();
73          }
74          super.writeToItem(newValue);
75      }
76  
77      @Override
78      public T readFromItem() {
79          Property<Set> prop = new ObjectProperty<>(this.assignedEntity, Set.class);
80          relatedFormItem.addItemProperty(this.entityName, prop);
81          return (T) prop.getValue();
82      }
83  
84  }