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Java example source code file (TestGetBaseBundleName.java)

This example Java source code file (TestGetBaseBundleName.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

enumeration, expected, list_bundle_name, missing, missingresourceexception, object, override, property_bundle_name, propertyresourcebundle, resourcebundle, runtimeexception, string, testgetbasebundlename, unexpected, util

The TestGetBaseBundleName.java Java example source code

/*
 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */
import java.util.Collections;
import java.util.Enumeration;
import java.util.Locale;
import java.util.MissingResourceException;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

/**
 * @test
 * @bug 4814565 8027930
 * @summary tests ResourceBundle.getBaseBundleName();
 * @build TestGetBaseBundleName resources.ListBundle resources.ListBundle_fr
 * @run main TestGetBaseBundleName
 * @author danielfuchs
 */
public class TestGetBaseBundleName {

    final static String PROPERTY_BUNDLE_NAME = "resources/PropertyBundle";
    final static String LIST_BUNDLE_NAME = "resources.ListBundle";

    public static String getBaseName(ResourceBundle bundle) {
        return bundle == null ? null : bundle.getBaseBundleName();
    }

    public static void main(String... args) throws Exception {

        Locale defaultLocale = Locale.getDefault();
        System.out.println("Default locale is: " + defaultLocale);
        for (String baseName : new String[] {
                    PROPERTY_BUNDLE_NAME,
                    LIST_BUNDLE_NAME
        }) {
            try {
                Locale.setDefault(Locale.US);
                ResourceBundle bundle = ResourceBundle.getBundle(baseName);
                System.out.println(getBaseName(bundle));
                if (!Locale.ROOT.equals(bundle.getLocale())) {
                    throw new RuntimeException("Unexpected locale: "
                            + bundle.getLocale());
                }
                if (!baseName.equals(getBaseName(bundle))) {
                    throw new RuntimeException("Unexpected base name: "
                            + getBaseName(bundle));
                }

                Locale.setDefault(Locale.FRENCH);
                ResourceBundle bundle_fr = ResourceBundle.getBundle(baseName);
                if (!Locale.FRENCH.equals(bundle_fr.getLocale())) {
                    throw new RuntimeException("Unexpected locale: "
                            + bundle_fr.getLocale());
                }
                if (!baseName.equals(getBaseName(bundle_fr))) {
                    throw new RuntimeException("Unexpected base name: "
                            + getBaseName(bundle_fr));
                }
            } finally {
                Locale.setDefault(defaultLocale);
            }
        }

        final ResourceBundle bundle = new ResourceBundle() {
            @Override
            protected Object handleGetObject(String key) {
                if ("dummy".equals(key)) return "foo";
                throw new MissingResourceException("Missing key",
                        this.getClass().getName(), key);
            }
            @Override
            public Enumeration<String> getKeys() {
                return Collections.enumeration(java.util.Arrays.asList(
                        new String[] {"dummy"}));
            }
        };

        if (getBaseName(bundle) != null) {
            throw new RuntimeException("Expected null baseName, got "
                    + getBaseName(bundle));
        }

        final ResourceBundle bundle2 = new ResourceBundle() {
            @Override
            protected Object handleGetObject(String key) {
                if ("dummy".equals(key)) return "foo";
                throw new MissingResourceException("Missing key",
                        this.getClass().getName(), key);
            }
            @Override
            public Enumeration<String> getKeys() {
                return Collections.enumeration(java.util.Arrays.asList(
                        new String[] {"dummy"}));
            }

            @Override
            public String getBaseBundleName() {
                return this.getClass().getName();
            }


        };

        if (!bundle2.getClass().getName().equals(getBaseName(bundle2))) {
            throw new RuntimeException("Expected "
                    + bundle2.getClass().getName() + ", got "
                    + getBaseName(bundle2));
        }

        ResourceBundle propertyBundle = new PropertyResourceBundle(
                TestGetBaseBundleName.class.getResourceAsStream(
                    PROPERTY_BUNDLE_NAME+".properties"));

        if (getBaseName(propertyBundle) != null) {
            throw new RuntimeException("Expected null baseName, got "
                    + getBaseName(propertyBundle));
        }

        ResourceBundle listBundle = new resources.ListBundle_fr();
        if (getBaseName(listBundle) != null) {
            throw new RuntimeException("Expected null baseName, got "
                    + getBaseName(listBundle));
        }


    }
}

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