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1   /**
2    * This file Copyright (c) 2019 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.ui.contentapp.action;
35  
36  import info.magnolia.commands.CommandsManager;
37  import info.magnolia.context.Context;
38  import info.magnolia.ui.ValueContext;
39  import info.magnolia.ui.contentapp.async.AsyncActionExecutor;
40  import info.magnolia.ui.datasource.jcr.JcrDatasource;
41  
42  import java.util.Collection;
43  import java.util.Collections;
44  import java.util.Map;
45  
46  import javax.inject.Inject;
47  import javax.jcr.Item;
48  
49  /**
50   * Base action supporting execution of commands.
51   * @param <T> type of item
52   * @param <D> type of definition
53   */
54  public class JcrCommandAction<T extends Item, D extends JcrCommandActionDefinition> extends CommandAction<T, D> implements JcrCommandParamsResolver {
55  
56      private final JcrDatasource jcrDatasource;
57  
58      @Inject
59      public JcrCommandAction(D definition, CommandsManager commandsManager, ValueContext<T> valueContext, Context context, AsyncActionExecutor asyncActionExecutor, JcrDatasource jcrDatasource) {
60          super(definition, commandsManager, valueContext, context, asyncActionExecutor);
61          this.jcrDatasource = jcrDatasource;
62  
63      }
64  
65      @Override
66      protected Collection<T> resolveTargetItems() {
67          Collection<T> targetItems = super.resolveTargetItems();
68          if (targetItems.isEmpty() && getDefinition().getAvailability().isRoot()) {
69              return Collections.singleton((T) jcrDatasource.getRoot());
70          }
71          return targetItems;
72      }
73  
74      @Override
75      protected Map<String, Object> buildParams(T item) {
76          Map<String, Object> params = super.buildParams(item);
77          params.putAll(resolveJcrParams(item));
78          return params;
79      }
80  
81  }