465 if (platformMBeanServer == null) {
466 platformMBeanServer = MBeanServerFactory.createMBeanServer();
467 for (PlatformComponent pc : PlatformComponent.values()) {
468 List<? extends PlatformManagedObject> list =
469 pc.getMXBeans(pc.getMXBeanInterface());
470 for (PlatformManagedObject o : list) {
471 // Each PlatformComponent represents one management
472 // interface. Some MXBean may extend another one.
473 // The MXBean instances for one platform component
474 // (returned by pc.getMXBeans()) might be also
475 // the MXBean instances for another platform component.
476 // e.g. com.sun.management.GarbageCollectorMXBean
477 //
478 // So need to check if an MXBean instance is registered
479 // before registering into the platform MBeanServer
480 if (!platformMBeanServer.isRegistered(o.getObjectName())) {
481 addMXBean(platformMBeanServer, o);
482 }
483 }
484 }
485 }
486 return platformMBeanServer;
487 }
488
489 /**
490 * Returns a proxy for a platform MXBean interface of a
491 * given <a href="#MXBeanNames">MXBean name</a>
492 * that forwards its method calls through the given
493 * <tt>MBeanServerConnection</tt>.
494 *
495 * <p>This method is equivalent to:
496 * <blockquote>
497 * {@link java.lang.reflect.Proxy#newProxyInstance
498 * Proxy.newProxyInstance}<tt>(mxbeanInterface.getClassLoader(),
499 * new Class[] { mxbeanInterface }, handler)</tt>
500 * </blockquote>
501 *
502 * where <tt>handler</tt> is an {@link java.lang.reflect.InvocationHandler
503 * InvocationHandler} to which method invocations to the MXBean interface
504 * are dispatched. This <tt>handler</tt> converts an input parameter
505 * from an MXBean data type to its mapped open type before forwarding
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465 if (platformMBeanServer == null) {
466 platformMBeanServer = MBeanServerFactory.createMBeanServer();
467 for (PlatformComponent pc : PlatformComponent.values()) {
468 List<? extends PlatformManagedObject> list =
469 pc.getMXBeans(pc.getMXBeanInterface());
470 for (PlatformManagedObject o : list) {
471 // Each PlatformComponent represents one management
472 // interface. Some MXBean may extend another one.
473 // The MXBean instances for one platform component
474 // (returned by pc.getMXBeans()) might be also
475 // the MXBean instances for another platform component.
476 // e.g. com.sun.management.GarbageCollectorMXBean
477 //
478 // So need to check if an MXBean instance is registered
479 // before registering into the platform MBeanServer
480 if (!platformMBeanServer.isRegistered(o.getObjectName())) {
481 addMXBean(platformMBeanServer, o);
482 }
483 }
484 }
485 List<PlatformManagedObject> dynamicPMOList = ManagementFactoryHelper.getPlatformDynamicMBeans();
486 for (PlatformManagedObject o : dynamicPMOList) {
487 if (!platformMBeanServer.isRegistered(o.getObjectName())) {
488 addMXBean(platformMBeanServer, o);
489 }
490 }
491 }
492 return platformMBeanServer;
493 }
494
495 /**
496 * Returns a proxy for a platform MXBean interface of a
497 * given <a href="#MXBeanNames">MXBean name</a>
498 * that forwards its method calls through the given
499 * <tt>MBeanServerConnection</tt>.
500 *
501 * <p>This method is equivalent to:
502 * <blockquote>
503 * {@link java.lang.reflect.Proxy#newProxyInstance
504 * Proxy.newProxyInstance}<tt>(mxbeanInterface.getClassLoader(),
505 * new Class[] { mxbeanInterface }, handler)</tt>
506 * </blockquote>
507 *
508 * where <tt>handler</tt> is an {@link java.lang.reflect.InvocationHandler
509 * InvocationHandler} to which method invocations to the MXBean interface
510 * are dispatched. This <tt>handler</tt> converts an input parameter
511 * from an MXBean data type to its mapped open type before forwarding
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