1 /*
2 * Copyright (c) 2002-2019, Mairie de Paris
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice
10 * and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice
13 * and the following disclaimer in the documentation and/or other materials
14 * provided with the distribution.
15 *
16 * 3. Neither the name of 'Mairie de Paris' nor 'Lutece' nor the names of its
17 * contributors may be used to endorse or promote products derived from
18 * this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE
24 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 *
32 * License 1.0
33 */
34
35 package fr.paris.lutece.plugins.botpress.service;
36
37 import fr.paris.lutece.portal.service.util.AppPropertiesService;
38 import fr.paris.lutece.util.ReferenceList;
39 import java.util.HashMap;
40 import java.util.Locale;
41 import java.util.Map;
42
43 /**
44 * LanguageService
45 */
46 public final class LanguageService
47 {
48 private static final String PROPERTY_LANGUAGES = "botpress.languages";
49
50 private static Map<String, ReferenceList> _mapLanguages = new HashMap<>( );
51
52 /** private constructor */
53 private LanguageService( )
54 {
55 }
56
57 /**
58 * Gets a list of available languages
59 *
60 * @param locale
61 * The display language
62 * @return The list
63 */
64 public static ReferenceList getLanguages( Locale locale )
65 {
66 String strLanguage = locale.getLanguage( );
67 ReferenceList list = _mapLanguages.get( strLanguage );
68 if ( list == null )
69 {
70 String [ ] languages = AppPropertiesService.getProperty( PROPERTY_LANGUAGES ).split( "," );
71 list = new ReferenceList( );
72 for ( String strLang : languages )
73 {
74 for ( Locale loc : Locale.getAvailableLocales( ) )
75 {
76 if ( strLang.equalsIgnoreCase( loc.getLanguage( ) ) )
77 {
78 list.addItem( strLang, loc.getDisplayLanguage( locale ) );
79 break;
80 }
81 }
82 }
83 _mapLanguages.put( strLanguage, list );
84 }
85 return list;
86 }
87 }