View Javadoc
1   /**
2    * This file Copyright (c) 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.ui.framework;
35  
36  import info.magnolia.ui.framework.ioc.Destructible;
37  
38  import java.util.HashMap;
39  import java.util.Map;
40  
41  /**
42   * Base implementation of {@link UiComponentContext}. Serves as a helper
43   * to the {@link UiComponentContextProxy} which in turn produces the
44   * non-abstract implementations on the fly.
45   */
46  public abstract class UiComponentContextBase implements UiComponentContext, Destructible {
47  
48      private final Map<String, ContextProperty> properties;
49  
50      public UiComponentContextBase() {
51          this(new HashMap<>());
52      }
53  
54      public Map<String, ContextProperty> properties() {
55          return this.properties;
56      }
57  
58      public UiComponentContextBase(Map<String, ContextProperty> properties) {
59          this.properties = properties;
60      }
61  
62      @Override
63      public void destroy() {
64          this.properties.values()
65                  .stream()
66                  .filter(Destructible.class::isInstance)
67                  .map(Destructible.class::cast)
68                  .forEach(Destructible::destroy);
69      }
70  
71      public abstract Class<? extends UiComponentContext> getUiComponentContextType();
72  }