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Java example source code file (TestSetResourceBundle.java)

This example Java source code file (TestSetResourceBundle.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

error, log, logger, logging, override, permission, permissions, property_bundle_name, resourcebundle, runtimeexception, security, securitymanager, simplepolicy, string, testhandler, unexpected, unsecure, util

The TestSetResourceBundle.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.security.AccessControlException;
import java.security.Permission;
import java.security.Permissions;
import java.security.Policy;
import java.security.ProtectionDomain;
import java.util.Locale;
import java.util.Objects;
import java.util.PropertyPermission;
import java.util.ResourceBundle;
import java.util.logging.Handler;
import java.util.logging.Level;
import java.util.logging.LogManager;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import java.util.logging.LoggingPermission;
import resources.ListBundle;

/**
 * @test
 * @bug 8013839
 * @summary tests Logger.setResourceBundle;
 * @build TestSetResourceBundle resources.ListBundle resources.ListBundle_fr
 * @run main/othervm TestSetResourceBundle UNSECURE
 * @run main/othervm TestSetResourceBundle PERMISSION
 * @run main/othervm TestSetResourceBundle SECURE
 * @author danielfuchs
 */
public class TestSetResourceBundle {

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

    /**
     * A dummy handler class that we can use to check the bundle/bundle name
     * that was present in the last LogRecord instance published.
     */
    static final class TestHandler extends Handler {
        ResourceBundle lastBundle = null;
        String lastBundleName = null;
        @Override
        public void publish(LogRecord record) {
            lastBundle = record.getResourceBundle();
            lastBundleName = record.getResourceBundleName();
        }

        @Override
        public void flush() {
        }

        @Override
        public void close() throws SecurityException {
        }
    }

    /**
     * We will test setResourceBundle() in 3 configurations.
     * UNSECURE: No security manager.
     * SECURE: With the security manager present - and the required
     *         LoggingPermission("control") granted.
     * PERMISSION: With the security manager present - and the required
     *         LoggingPermission("control") *not* granted. Here we will
     *         test that the expected security permission is thrown.
     */
    public static enum TestCase {
        UNSECURE, SECURE, PERMISSION;
        public void run(String name) throws Exception {
            System.out.println("Running test case: " + name());
            switch (this) {
                case UNSECURE:
                    testUnsecure(name);
                    break;
                case SECURE:
                    testSecure(name);
                    break;
                case PERMISSION:
                    testPermission(name);
                    break;
                default:
                    throw new Error("Unknown test case: "+this);
            }
        }
        public String loggerName(String name) {
            return name().toLowerCase(Locale.ROOT) + "." + name;
        }
    }

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

        Locale defaultLocale = Locale.getDefault();

        if (args == null || args.length == 0) {
            args = new String[] {
                TestCase.UNSECURE.name(),
                TestCase.SECURE.name()
            };
        }

        for (String testName : args) {
            TestCase test = TestCase.valueOf(testName);
            try {
                test.run(test.loggerName("foo.bar"));
            } finally {
                Locale.setDefault(defaultLocale);
            }
        }
    }

    /**
     * Test without security manager.
     * @param loggerName The logger to use.
     * @throws Exception if the test fails.
     */
    public static void testUnsecure(String loggerName) throws Exception {
        if (System.getSecurityManager() != null) {
            throw new Error("Security manager is set");
        }
        test(loggerName);
    }

    /**
     * Test with security manager.
     * @param loggerName The logger to use.
     * @throws Exception if the test fails.
     */
    public static void testSecure(String loggerName) throws Exception {
        if (System.getSecurityManager() != null) {
            throw new Error("Security manager is already set");
        }
        Policy.setPolicy(new SimplePolicy(TestCase.SECURE));
        System.setSecurityManager(new SecurityManager());
        test(loggerName);
    }

    /**
     * Test the LoggingPermission("control") is required.
     * @param loggerName The logger to use.
     */
    public static void testPermission(String loggerName) {
        if (System.getSecurityManager() != null) {
            throw new Error("Security manager is already set");
        }
        Policy.setPolicy(new SimplePolicy(TestCase.PERMISSION));
        System.setSecurityManager(new SecurityManager());
        final ResourceBundle bundle = ResourceBundle.getBundle(LIST_BUNDLE_NAME);
        Logger foobar = Logger.getLogger(loggerName);
        try {
            foobar.setResourceBundle(bundle);
            throw new RuntimeException("Permission not checked!");
        } catch (AccessControlException x) {
            if (x.getPermission() instanceof LoggingPermission) {
                if ("control".equals(x.getPermission().getName())) {
                    System.out.println("Got expected exception: " + x);
                    return;
                }
            }
            throw new RuntimeException("Unexpected exception: "+x, x);
        }

    }

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

    public static void test(String loggerName) throws Exception {

        final ResourceBundle bundle = ResourceBundle.getBundle(LIST_BUNDLE_NAME);
        Logger foobar = Logger.getLogger(loggerName);

        // Checks that IAE is thrown if the bundle has a null base name.
        try {
            foobar.setResourceBundle(new ListBundle());
            throw new RuntimeException("Expected exception not raised!");
        } catch (IllegalArgumentException x) {
            System.out.println("Got expected exception: " + x);
        }

        // Verify that resource bundle was not set.
        if (foobar.getResourceBundle() != null) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundle());
        }
        if (foobar.getResourceBundleName() != null) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundleName());
        }

        // Set acceptable resource bundle on logger.
        foobar.setResourceBundle(bundle);

        // check that the bundle has been set correctly
        if (bundle != foobar.getResourceBundle()) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundle());
        }
        if (!Objects.equals(getBaseName(bundle), foobar.getResourceBundleName())) {
            throw new RuntimeException("Unexpected bundle name: "
                    + foobar.getResourceBundleName());
        }

        // Check that we can replace the bundle with a bundle of the same name.
        final ResourceBundle bundle_fr =
                ResourceBundle.getBundle(LIST_BUNDLE_NAME, Locale.FRENCH);
        foobar.setResourceBundle(bundle_fr);

        if (bundle_fr != foobar.getResourceBundle()) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundle());
        }
        if (!Objects.equals(getBaseName(bundle_fr), foobar.getResourceBundleName())) {
            throw new RuntimeException("Unexpected bundle name: "
                    + foobar.getResourceBundleName());
        }

        // Create a child logger
        Logger foobaz = Logger.getLogger(loggerName + ".baz");

        // Check that the child logger does not have a bundle set locally
        if (foobaz.getResourceBundle() != null) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundle());
        }
        if (foobaz.getResourceBundleName() != null) {
            throw new RuntimeException("Unexpected bundle: "
                    + foobar.getResourceBundleName());
        }


        // Add a handler on the child logger.
        final TestHandler handler = new TestHandler();
        foobaz.addHandler(handler);

        // log a message on the child logger
        foobaz.severe("dummy");

        // checks that the message has been logged with the bundle
        // inherited from the parent logger
        if (!LIST_BUNDLE_NAME.equals(handler.lastBundleName)) {
            throw new RuntimeException("Unexpected bundle name: "
                    + handler.lastBundleName);
        }
        if (!bundle_fr.equals(handler.lastBundle)) {
            throw new RuntimeException("Unexpected bundle: "
                    + handler.lastBundle);
        }

        // Check that we can get set a bundle on the child logger
        // using Logger.getLogger.
        foobaz = Logger.getLogger(loggerName + ".baz", PROPERTY_BUNDLE_NAME);

        // check that the child logger has the correct bundle.
        // it should no longer inherit it from its parent.
        if (!PROPERTY_BUNDLE_NAME.equals(foobaz.getResourceBundleName())) {
            throw new RuntimeException("Unexpected bundle name: "
                    + foobaz.getResourceBundleName());
        }
        if (!PROPERTY_BUNDLE_NAME.equals(foobaz.getResourceBundle().getBaseBundleName())) {
            throw new RuntimeException("Unexpected bundle name: "
                    + foobaz.getResourceBundle().getBaseBundleName());
        }

        // log a message on the child logger
        foobaz.severe("dummy");

        // check that the last published log record has the appropriate
        // bundle.
        if (!PROPERTY_BUNDLE_NAME.equals(handler.lastBundleName)) {
            throw new RuntimeException("Unexpected bundle name: "
                    + handler.lastBundleName);
        }
        if (foobaz.getResourceBundle() != handler.lastBundle) {
            throw new RuntimeException("Unexpected bundle: "
                    + handler.lastBundle);
        }

        // try to set a bundle that has a different name, and checks that
        // it fails in IAE.
        try {
            foobaz.setResourceBundle(bundle_fr);
            throw new RuntimeException("Expected exception not raised!");
        } catch (IllegalArgumentException x) {
            System.out.println("Got expected exception: " + x);
        }

        // Test with a subclass of logger which overrides
        // getResourceBundle() and getResourceBundleName()
        Logger customLogger = new Logger(foobar.getName()+".bie", null) {
            @Override
            public ResourceBundle getResourceBundle() {
                return bundle_fr;
            }

            @Override
            public String getResourceBundleName() {
                return PROPERTY_BUNDLE_NAME;
            }
        };

        final TestHandler handler2 = new TestHandler();
        customLogger.addHandler(handler2);
        customLogger.setLevel(Level.FINE);
        LogManager.getLogManager().addLogger(customLogger);

        Logger l = Logger.getLogger(customLogger.getName());
        if (l != customLogger) {
            throw new RuntimeException("Wrong logger: " + l);
        }

        // log on the custom logger.
        customLogger.fine("dummy");

        // check that the log record had the correct bundle.
        if (! PROPERTY_BUNDLE_NAME.equals(handler2.lastBundleName)) {
            throw new RuntimeException("Unexpected bundle name: "
                    + handler2.lastBundleName);
        }
        if (! PROPERTY_BUNDLE_NAME.equals(customLogger.getResourceBundleName())) {
            throw new RuntimeException("Unexpected bundle name: "
                    + customLogger.getResourceBundleName());
        }
        if (bundle_fr != handler2.lastBundle) {
            throw new RuntimeException("Unexpected bundle: "
                    + handler2.lastBundle);
        }
        if (bundle_fr != customLogger.getResourceBundle()) {
            throw new RuntimeException("Unexpected bundle: "
                    + customLogger.getResourceBundle());
        }

        // Do the same thing again with a child of the custom logger.
        Logger biebar = Logger.getLogger(customLogger.getName() + ".bar");
        biebar.fine("dummy");

        // because getResourceBundleName() is called on parent logger
        //         we will have handler2.lastBundleName = PROPERTY_BUNDLE_NAME
        if (!PROPERTY_BUNDLE_NAME.equals(handler2.lastBundleName)) {
            throw new RuntimeException("Unexpected bundle name: "
                    + handler2.lastBundleName);
        }
        // because getResourceBundle() is not called on parent logger
        //         we will have getBaseName(handler2.lastBundle) = PROPERTY_BUNDLE_NAME
        //         and not handler2.lastBundle = bundle_fr
        if (handler2.lastBundle == null) {
            throw new RuntimeException("Unexpected bundle: "
                    + handler2.lastBundle);
        }
        if (!PROPERTY_BUNDLE_NAME.equals(getBaseName(handler2.lastBundle))) {
            throw new RuntimeException("Unexpected bundle name: "
                    + getBaseName(handler2.lastBundle));
        }
    }

    public static class SimplePolicy extends Policy {

        final Permissions permissions;
        public SimplePolicy(TestCase test) {
            permissions = new Permissions();
            if (test != TestCase.PERMISSION) {
                permissions.add(new LoggingPermission("control", null));
            }
            // required for calling Locale.setDefault in the test.
            permissions.add(new PropertyPermission("user.language", "write"));
        }

        @Override
        public boolean implies(ProtectionDomain domain, Permission permission) {
            return permissions.implies(permission);
        }
    }

}

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