J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2003-2004 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 21 | * have any questions. |
| 22 | */ |
| 23 | |
| 24 | /* |
| 25 | * @test |
| 26 | * @bug 4930397 |
| 27 | * @summary Make sure MemoryMXBean has two notification types. |
| 28 | * @author Mandy Chung |
| 29 | * |
| 30 | * @run main GetMBeanInfo |
| 31 | */ |
| 32 | |
| 33 | import java.lang.management.*; |
| 34 | import javax.management.*; |
| 35 | |
| 36 | public class GetMBeanInfo { |
| 37 | private final static int EXPECTED_NOTIF_TYPES = 2; |
| 38 | private static int count = 0; |
| 39 | |
| 40 | public static void main(String argv[]) throws Exception { |
| 41 | final ObjectName objName; |
| 42 | objName = new ObjectName(ManagementFactory.MEMORY_MXBEAN_NAME); |
| 43 | |
| 44 | MBeanServer mbs = ManagementFactory.getPlatformMBeanServer(); |
| 45 | |
| 46 | MBeanInfo minfo = mbs.getMBeanInfo(objName); |
| 47 | MBeanNotificationInfo[] notifs = minfo.getNotifications(); |
| 48 | for (int i = 0; i < notifs.length; i++) { |
| 49 | printNotifType(notifs[i]); |
| 50 | } |
| 51 | |
| 52 | if (count != EXPECTED_NOTIF_TYPES) { |
| 53 | throw new RuntimeException("Unexpected number of notification types" |
| 54 | + " count = " + count + |
| 55 | " expected = " + EXPECTED_NOTIF_TYPES); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | private static void printNotifType(MBeanNotificationInfo notif) { |
| 60 | String[] types = notif.getNotifTypes(); |
| 61 | for (int i = 0; i < types.length; i++) { |
| 62 | System.out.println(types[i]); |
| 63 | count++; |
| 64 | } |
| 65 | } |
| 66 | } |