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.io.BufferedInputStream;

    27 import java.io.InputStream;

    28 import java.io.IOException;

    29 import java.util.Enumeration;

    30 import java.util.Locale;

    31 import java.util.Properties;

    32 import java.util.ResourceBundle;

    33 import java.util.spi.ResourceBundleProvider;

    34 

    35 public class MyResourcesProvider implements ResourceBundleProvider {

    36     @Override

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

    38         String xmlName = toXMLName(baseName, locale);

    39         try (InputStream is = this.getClass().getModule().getResourceAsStream(xmlName)) {

    40             return new XMLResourceBundle(new BufferedInputStream(is));

    41         } catch (IOException e) {

    42             throw new RuntimeException(e);

    43         }

    44     }

    45 

    46     private String toXMLName(String baseName, Locale locale) {

    47         StringBuilder sb = new StringBuilder(baseName.replace('.', '/'));

    48         String lang = locale.getLanguage();

    49         if (!lang.isEmpty()) {

    50             sb.append('_').append(lang);

    51             String country = locale.getCountry();

    52             if (!country.isEmpty()) {

    53                 sb.append('_').append(country);

    54             }

    55         }

    56         return sb.append(".xml").toString();

    57     }

    58 

    59     private static class XMLResourceBundle extends ResourceBundle {

    60         private Properties props;

    61 

    62         XMLResourceBundle(InputStream stream) throws IOException {

    63             props = new Properties();

    64             props.loadFromXML(stream);

    65         }

    66 

    67         @Override

    68         protected Object handleGetObject(String key) {

    69             if (key == null) {

    70                 throw new NullPointerException();

    71             }

    72             return props.get(key);

    73         }

    74 

    75         @Override

    76         public Enumeration<String> getKeys() {

    77             // Not implemented

    78             return null;

    79         }

    80     }

    81 }