1/*
2 * Copyright (c) 2015, 2017, 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
24package jdk.test.resources.spi;
25
26import java.io.BufferedInputStream;
27import java.io.InputStream;
28import java.io.IOException;
29import java.util.Enumeration;
30import java.util.Locale;
31import java.util.Properties;
32import java.util.ResourceBundle;
33import java.util.spi.ResourceBundleProvider;
34
35public 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}
82