View Javadoc
1   /**
2    * This file Copyright (c) 2013-2018 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.i18nsystem;
35  
36  import java.lang.reflect.AnnotatedElement;
37  
38  /**
39   * An {@link I18nKeyGenerator} is responsible for deriving i18n keys for any given instance of T.
40   *
41   * @param <T> the type of Object this {@link I18nKeyGenerator} generates keys for.
42   * @see AbstractI18nKeyGenerator
43   */
44  public interface I18nKeyGenerator<T> {
45      /**
46       * Generates the possible keys for the given <T>object's annotated element.
47       *
48       * @param undecoratedResult the value returned by the undecorated underlying method call. It is generally expected
49       * that this value will be part of the returned keys, such that an object with an explicitly configured key or label
50       * will be translated using that value rather than derived keys.
51       * @param el the element being translated - typically a {@link java.lang.reflect.Method} instance.
52       */
53      String[] keysFor(String undecoratedResult, T object, AnnotatedElement el);
54  
55      /**
56       * If <T> has a property that can be used to determine the bundle name (i18nBasename), return that.
57       * The keys will be tried with and without it.
58       *
59       * @deprecated since 5.4.5. Will be removed in a future version
60       */
61      @Deprecated
62      String messageBundleNameFor(T object);
63  }