1 /*

     2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.

     8  *

     9  * This code is distributed in the hope that it will be useful, but WITHOUT

    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    12  * version 2 for more details (a copy is included in the LICENSE file that

    13  * accompanied this code).

    14  *

    15  * You should have received a copy of the GNU General Public License version

    16  * 2 along with this work; if not, write to the Free Software Foundation,

    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    18  *

    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    20  * or visit www.oracle.com if you need additional information or have any

    21  * questions.

    22  */

    23 

    24 package jdk.test.resources;

    25 

    26 import java.util.Arrays;

    27 import java.util.Collections;

    28 import java.util.HashSet;

    29 import java.util.List;

    30 import java.util.Locale;

    31 import java.util.ResourceBundle;

    32 import java.util.ResourceBundle.Control;

    33 import java.util.Set;

    34 import java.util.spi.AbstractResourceBundleProvider;

    35 

    36 

    37 public class MyResourcesProvider extends AbstractResourceBundleProvider {

    38     private final String region;

    39     private final Set<Locale> supportedLocales;

    40     private final List<String> formats;

    41 

    42     protected MyResourcesProvider() {

    43         region = "";

    44         supportedLocales = null;

    45         formats = Collections.emptyList();

    46     }

    47 

    48     protected MyResourcesProvider(String format, String region, Locale... locales) {

    49         super(format);

    50         this.region = region;

    51         this.supportedLocales = new HashSet<>(Arrays.asList(locales));

    52         this.formats = Collections.singletonList(format);

    53     }

    54 

    55     @Override

    56     public ResourceBundle getBundle(String baseName, Locale locale) {

    57         if (isSupportedInModule(locale)) {

    58            return super.getBundle(baseName, locale);

    59         }

    60         return null;

    61     }

    62 

    63     @Override

    64     protected String toBundleName(String baseName, Locale locale) {

    65         String name = addRegion(baseName);

    66         return Control.getControl(Control.FORMAT_DEFAULT).toBundleName(name, locale);

    67     }

    68 

    69     private String addRegion(String baseName) {

    70         if (region.isEmpty()) {

    71             return baseName;

    72         }

    73         int index = baseName.lastIndexOf('.');

    74         return baseName.substring(0, index + 1) + region + baseName.substring(index);

    75     }

    76 

    77     protected boolean isSupportedInModule(Locale locale) {

    78         return supportedLocales.contains(locale);

    79     }

    80 }