jdk/test/javax/management/context/LocaleAwareBroadcasterTest.java
changeset 1570 4165709c91e3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/javax/management/context/LocaleAwareBroadcasterTest.java	Fri Nov 07 11:48:07 2008 +0100
@@ -0,0 +1,328 @@
+/*
+ * Copyright 2008 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 5072267
+ * @summary Test that an MBean can handle localized Notification messages.
+ * @author Eamonn McManus
+ */
+
+import java.util.Collections;
+import java.util.ListResourceBundle;
+import java.util.Locale;
+import java.util.Map;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+import java.util.concurrent.ArrayBlockingQueue;
+import java.util.concurrent.BlockingQueue;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ConcurrentHashMap;
+import java.util.concurrent.ConcurrentMap;
+import java.util.concurrent.TimeUnit;
+import javax.management.ClientContext;
+import javax.management.JMX;
+import javax.management.ListenerNotFoundException;
+import javax.management.MBeanNotificationInfo;
+import javax.management.MBeanServer;
+import javax.management.MBeanServerConnection;
+import javax.management.MBeanServerFactory;
+import javax.management.Notification;
+import javax.management.NotificationBroadcasterSupport;
+import javax.management.NotificationEmitter;
+import javax.management.NotificationFilter;
+import javax.management.NotificationListener;
+import javax.management.ObjectName;
+import javax.management.SendNotification;
+import javax.management.remote.JMXConnector;
+import javax.management.remote.JMXConnectorFactory;
+import javax.management.remote.JMXConnectorServer;
+import javax.management.remote.JMXConnectorServerFactory;
+import javax.management.remote.JMXServiceURL;
+
+public class LocaleAwareBroadcasterTest {
+    static final ObjectName mbeanName = ObjectName.valueOf("d:type=LocaleAware");
+
+    static final String
+            messageKey = "broken.window",
+            defaultMessage = "broken window",
+            frenchMessage = "fen\u00eatre bris\u00e9e",
+            irishMessage = "fuinneog briste";
+
+    public static class Bundle extends ListResourceBundle {
+        @Override
+        protected Object[][] getContents() {
+            return new Object[][] {
+                {messageKey, defaultMessage},
+            };
+        }
+    }
+
+    public static class Bundle_fr extends ListResourceBundle {
+        @Override
+        protected Object[][] getContents() {
+            return new Object[][] {
+                {messageKey, frenchMessage},
+            };
+        }
+    }
+
+    public static class Bundle_ga extends ListResourceBundle {
+        @Override
+        protected Object[][] getContents() {
+            return new Object[][] {
+                {messageKey, irishMessage},
+            };
+        }
+    }
+
+    static volatile String failure;
+
+    public static interface LocaleAwareMBean {
+        public void sendNotification(Notification n);
+    }
+
+    public static class LocaleAware
+            implements LocaleAwareMBean, NotificationEmitter, SendNotification {
+
+        private final ConcurrentMap<Locale, NotificationBroadcasterSupport>
+                localeToEmitter = newConcurrentMap();
+
+        public void sendNotification(Notification n) {
+            for (Map.Entry<Locale, NotificationBroadcasterSupport> entry :
+                    localeToEmitter.entrySet()) {
+                Notification localizedNotif =
+                        localizeNotification(n, entry.getKey());
+                entry.getValue().sendNotification(localizedNotif);
+            }
+        }
+
+        public void addNotificationListener(
+                NotificationListener listener,
+                NotificationFilter filter,
+                Object handback)
+                throws IllegalArgumentException {
+            Locale locale = ClientContext.getLocale();
+            NotificationBroadcasterSupport broadcaster;
+            broadcaster = localeToEmitter.get(locale);
+            if (broadcaster == null) {
+                broadcaster = new NotificationBroadcasterSupport();
+                NotificationBroadcasterSupport old =
+                        localeToEmitter.putIfAbsent(locale, broadcaster);
+                if (old != null)
+                    broadcaster = old;
+            }
+            broadcaster.addNotificationListener(listener, filter, handback);
+        }
+
+        public void removeNotificationListener(NotificationListener listener)
+                throws ListenerNotFoundException {
+            Locale locale = ClientContext.getLocale();
+            NotificationBroadcasterSupport broadcaster =
+                    localeToEmitter.get(locale);
+            if (broadcaster == null)
+                throw new ListenerNotFoundException();
+            broadcaster.removeNotificationListener(listener);
+        }
+
+        public void removeNotificationListener(
+                NotificationListener listener,
+                NotificationFilter filter,
+                Object handback)
+                throws ListenerNotFoundException {
+            Locale locale = ClientContext.getLocale();
+            NotificationBroadcasterSupport broadcaster =
+                    localeToEmitter.get(locale);
+            if (broadcaster == null)
+                throw new ListenerNotFoundException();
+            broadcaster.removeNotificationListener(listener, filter, handback);
+        }
+
+        public MBeanNotificationInfo[] getNotificationInfo() {
+            return new MBeanNotificationInfo[0];
+        }
+    }
+
+    // Localize notif using the convention that the message looks like
+    // [resourcebundlename:resourcekey]defaultmessage
+    // for example [foo.bar.Resources:unknown.problem]
+    static Notification localizeNotification(Notification n, Locale locale) {
+        String msg = n.getMessage();
+        if (!msg.startsWith("["))
+            return n;
+        int close = msg.indexOf(']');
+        if (close < 0)
+            throw new IllegalArgumentException("Bad notification message: " + msg);
+        int colon = msg.indexOf(':');
+        if (colon < 0 || colon > close)
+            throw new IllegalArgumentException("Bad notification message: " + msg);
+        String bundleName = msg.substring(1, colon);
+        String key = msg.substring(colon + 1, close);
+        ClassLoader loader = LocaleAwareBroadcasterTest.class.getClassLoader();
+        ResourceBundle bundle =
+                ResourceBundle.getBundle(bundleName, locale, loader);
+        try {
+            msg = bundle.getString(key);
+        } catch (MissingResourceException e) {
+            msg = msg.substring(close + 1);
+        }
+        n = (Notification) n.clone();
+        n.setMessage(msg);
+        return n;
+    }
+
+    public static void main(String[] args) throws Exception {
+        Locale.setDefault(new Locale("en"));
+        testLocal();
+        testRemote();
+        if (failure == null)
+            System.out.println("TEST PASSED");
+        else
+            throw new Exception("TEST FAILED: " + failure);
+    }
+
+    static interface AddListenerInLocale {
+        public void addListenerInLocale(
+                MBeanServerConnection mbsc,
+                NotificationListener listener,
+                Locale locale) throws Exception;
+    }
+
+    private static void testLocal() throws Exception {
+        System.out.println("Test local MBeanServer using doWithContext");
+        MBeanServer mbs = makeMBS();
+        AddListenerInLocale addListener = new AddListenerInLocale() {
+            public void addListenerInLocale(
+                    final MBeanServerConnection mbsc,
+                    final NotificationListener listener,
+                    Locale locale) throws Exception {
+                Map<String, String> localeContext = Collections.singletonMap(
+                        ClientContext.LOCALE_KEY, locale.toString());
+                ClientContext.doWithContext(
+                        localeContext, new Callable<Void>() {
+                    public Void call() throws Exception {
+                        mbsc.addNotificationListener(
+                                mbeanName, listener, null, null);
+                        return null;
+                    }
+                });
+            }
+        };
+        test(mbs, addListener);
+    }
+
+    private static void testRemote() throws Exception {
+        System.out.println("Test remote MBeanServer using withLocale");
+        MBeanServer mbs = makeMBS();
+        JMXServiceURL url = new JMXServiceURL("service:jmx:rmi://");
+        JMXConnectorServer cs =
+                JMXConnectorServerFactory.newJMXConnectorServer(url, null, mbs);
+        cs.start();
+        JMXServiceURL addr = cs.getAddress();
+        JMXConnector cc = JMXConnectorFactory.connect(addr);
+        MBeanServerConnection mbsc = cc.getMBeanServerConnection();
+        AddListenerInLocale addListenerInLocale = new AddListenerInLocale() {
+            public void addListenerInLocale(
+                    MBeanServerConnection mbsc,
+                    NotificationListener listener,
+                    Locale locale) throws Exception {
+                mbsc = ClientContext.withLocale(mbsc, locale);
+                mbsc.addNotificationListener(mbeanName, listener, null, null);
+            }
+        };
+        try {
+            test(mbsc, addListenerInLocale);
+        } finally {
+            try {
+                cc.close();
+            } catch (Exception e) {}
+            cs.stop();
+        }
+    }
+
+    static class QueueListener implements NotificationListener {
+        final BlockingQueue<Notification> queue =
+                new ArrayBlockingQueue<Notification>(10);
+
+        public void handleNotification(Notification notification,
+                                       Object handback) {
+            queue.add(notification);
+        }
+    }
+
+    private static void test(
+            MBeanServerConnection mbsc, AddListenerInLocale addListener)
+            throws Exception {
+        QueueListener defaultListener = new QueueListener();
+        QueueListener frenchListener = new QueueListener();
+        QueueListener irishListener = new QueueListener();
+        mbsc.addNotificationListener(mbeanName, defaultListener, null, null);
+        addListener.addListenerInLocale(mbsc, frenchListener, new Locale("fr"));
+        addListener.addListenerInLocale(mbsc, irishListener, new Locale("ga"));
+
+        LocaleAwareMBean proxy =
+                JMX.newMBeanProxy(mbsc, mbeanName, LocaleAwareMBean.class);
+        String notifMsg = "[" + Bundle.class.getName() + ":" + messageKey + "]" +
+                "broken window (default message that should never be seen)";
+        Notification notif = new Notification(
+                "notif.type", mbeanName, 0L, notifMsg);
+        proxy.sendNotification(notif);
+
+        final Object[][] expected = {
+            {defaultListener, defaultMessage},
+            {frenchListener, frenchMessage},
+            {irishListener, irishMessage},
+        };
+        for (Object[] exp : expected) {
+            QueueListener ql = (QueueListener) exp[0];
+            String msg = (String) exp[1];
+            System.out.println("Checking: " + msg);
+            Notification n = ql.queue.poll(1, TimeUnit.SECONDS);
+            if (n == null)
+                fail("Did not receive expected notif: " + msg);
+            if (!n.getMessage().equals(msg)) {
+                fail("Received notif with wrong message: got " +
+                        n.getMessage() + ", expected " + msg);
+            }
+            n = ql.queue.poll(2, TimeUnit.MILLISECONDS);
+            if (n != null)
+                fail("Received unexpected extra notif: " + n);
+        }
+    }
+
+    private static MBeanServer makeMBS() throws Exception {
+        MBeanServer mbs = MBeanServerFactory.newMBeanServer();
+        LocaleAware aware = new LocaleAware();
+        mbs.registerMBean(aware, mbeanName);
+        return mbs;
+    }
+
+    static <K, V> ConcurrentMap<K, V> newConcurrentMap() {
+        return new ConcurrentHashMap<K, V>();
+    }
+
+    static void fail(String why) {
+        System.out.println("FAIL: " + why);
+        failure = why;
+    }
+}