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1
7
8 package java.lang.management;
9
10 import javax.management.NotificationEmitter  ;
11 import javax.management.MBeanServer ;
12 import javax.management.MBeanServerFactory ;
13 import javax.management.MBeanServerConnection ;
14 import javax.management.MBeanServerPermission ;
15 import javax.management.ObjectName ;
16 import javax.management.InstanceNotFoundException ;
17 import javax.management.MalformedObjectNameException ;
18 import javax.management.openmbean.CompositeData ;
19 import javax.management.openmbean.CompositeType ;
20 import javax.management.openmbean.TabularData ;
21 import java.util.List ;
22 import java.lang.reflect.Proxy ;
23 import java.lang.reflect.InvocationHandler ;
24 import java.security.AccessController ;
25 import java.security.Permission ;
26 import java.security.PrivilegedAction ;
27 import sun.management.PlatformMXBeanInvocationHandler;
28
29
279 public class ManagementFactory {
280 private ManagementFactory() {};
282
283
287 public final static String CLASS_LOADING_MXBEAN_NAME =
288 "java.lang:type=ClassLoading";
289
290
294 public final static String COMPILATION_MXBEAN_NAME =
295 "java.lang:type=Compilation";
296
297
301 public final static String MEMORY_MXBEAN_NAME =
302 "java.lang:type=Memory";
303
304
308 public final static String OPERATING_SYSTEM_MXBEAN_NAME =
309 "java.lang:type=OperatingSystem";
310
311
315 public final static String RUNTIME_MXBEAN_NAME =
316 "java.lang:type=Runtime";
317
318
322 public final static String THREAD_MXBEAN_NAME =
323 "java.lang:type=Threading";
324
325
332 public final static String GARBAGE_COLLECTOR_MXBEAN_DOMAIN_TYPE =
333 "java.lang:type=GarbageCollector";
334
335
342 public final static String MEMORY_MANAGER_MXBEAN_DOMAIN_TYPE=
343 "java.lang:type=MemoryManager";
344
345
352 public final static String MEMORY_POOL_MXBEAN_DOMAIN_TYPE=
353 "java.lang:type=MemoryPool";
354
355
362 public static ClassLoadingMXBean getClassLoadingMXBean() {
363 return sun.management.ManagementFactory.getClassLoadingMXBean();
364 }
365
366
372 public static MemoryMXBean getMemoryMXBean() {
373 return sun.management.ManagementFactory.getMemoryMXBean();
374 }
375
376
382 public static ThreadMXBean getThreadMXBean() {
383 return sun.management.ManagementFactory.getThreadMXBean();
384 }
385
386
393 public static RuntimeMXBean getRuntimeMXBean() {
394 return sun.management.ManagementFactory.getRuntimeMXBean();
395 }
396
397
406 public static CompilationMXBean getCompilationMXBean() {
407 return sun.management.ManagementFactory.getCompilationMXBean();
408 }
409
410
417 public static OperatingSystemMXBean getOperatingSystemMXBean() {
418 return sun.management.ManagementFactory.getOperatingSystemMXBean();
419 }
420
421
430 public static List <MemoryPoolMXBean > getMemoryPoolMXBeans() {
431 return sun.management.ManagementFactory.getMemoryPoolMXBeans();
432 }
433
434
443 public static List <MemoryManagerMXBean > getMemoryManagerMXBeans() {
444 return sun.management.ManagementFactory.getMemoryManagerMXBeans();
445 }
446
447
448
459 public static List <GarbageCollectorMXBean > getGarbageCollectorMXBeans() {
460 return sun.management.ManagementFactory.getGarbageCollectorMXBeans();
461 }
462
463 private static MBeanServer platformMBeanServer;
464
504 public static synchronized MBeanServer getPlatformMBeanServer() {
505 SecurityManager sm = System.getSecurityManager();
506 if (sm != null) {
507 Permission perm = new MBeanServerPermission ("createMBeanServer");
508 sm.checkPermission(perm);
509 }
510
511 if (platformMBeanServer == null) {
512 platformMBeanServer =
513 sun.management.ManagementFactory.createPlatformMBeanServer();
514 }
515 return platformMBeanServer;
516 }
517
518
601 public static <T> T
602 newPlatformMXBeanProxy(MBeanServerConnection connection,
603 String mxbeanName,
604 Class <T> mxbeanInterface)
605 throws java.io.IOException {
606
607 final Class interfaceClass = mxbeanInterface;
608 final ClassLoader loader = (ClassLoader )
611 AccessController.doPrivileged(new PrivilegedAction () {
612 public Object run() {
613 return interfaceClass.getClassLoader();
614 }
615 });
616 if (loader != null) {
617 throw new IllegalArgumentException (mxbeanName +
618 " is not a platform MXBean");
619 }
620
621 try {
622 final ObjectName objName = new ObjectName (mxbeanName);
623 if (!connection.isInstanceOf(objName, interfaceClass.getName())) {
624 throw new IllegalArgumentException (mxbeanName +
625 " is not an instance of " + interfaceClass);
626 }
627
628 final Class [] interfaces;
629 if (connection.isInstanceOf(objName,
631 NOTIF_EMITTER)) {
632 interfaces = new Class [] {
633 interfaceClass,
634 NotificationEmitter .class
635 };
636 } else {
637 interfaces = new Class [] {interfaceClass};
638 }
639
640 InvocationHandler handler =
642 new PlatformMXBeanInvocationHandler(connection,
643 objName,
644 interfaceClass);
645 return (T) Proxy.newProxyInstance(interfaceClass.getClassLoader(),
646 interfaces,
647 handler);
648 } catch (InstanceNotFoundException e) {
649 final IllegalArgumentException iae =
650 new IllegalArgumentException (mxbeanName +
651 " not found in the connection.");
652 iae.initCause(e);
653 throw iae;
654 } catch (MalformedObjectNameException e) {
655 final IllegalArgumentException iae =
656 new IllegalArgumentException (mxbeanName +
657 " is not a valid ObjectName format.");
658 iae.initCause(e);
659 throw iae;
660 }
661 }
662
663 private static final String NOTIF_EMITTER =
664 "javax.management.NotificationEmitter";
665 }
666 |
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