jdk/test/javax/management/monitor/ReflectionExceptionTest.java - platform/libcore - Git at Google

 /*
  * Copyright (c) 2005, 2015, 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.
  */

 /*
  * @test
  * @bug 6205072
  * @summary Test that the jmx.monitor.error.runtime monitor notification
  *          is emitted when getAttribute throws ReflectionException.
  * @author Luis-Miguel Alventosa
  * @key intermittent
  * @modules java.management
  * @run clean ReflectionExceptionTest MBeanServerBuilderImpl
  *            MBeanServerForwarderInvocationHandler
  * @run build ReflectionExceptionTest MBeanServerBuilderImpl
  *            MBeanServerForwarderInvocationHandler
  * @run main ReflectionExceptionTest
  */

 import java.lang.reflect.Proxy;
 import javax.management.MBeanServer;
 import javax.management.MBeanServerFactory;
 import javax.management.Notification;
 import javax.management.NotificationListener;
 import javax.management.ObjectName;
 import javax.management.ReflectionException;
 import javax.management.monitor.CounterMonitor;
 import javax.management.monitor.GaugeMonitor;
 import javax.management.monitor.MonitorNotification;
 import javax.management.monitor.StringMonitor;

 public class ReflectionExceptionTest implements NotificationListener {

     // MBean class
     public class ObservedObject implements ObservedObjectMBean {
         public Integer getIntegerAttribute() {
             return i;
         }
         public void setIntegerAttribute(Integer i) {
             this.i = i;
         }
         public String getStringAttribute() {
             return s;
         }
         public void setStringAttribute(String s) {
             this.s = s;
         }
         private Integer i = 1;
         private String s = "dummy";
     }

     // MBean interface
     public interface ObservedObjectMBean {
         public Integer getIntegerAttribute();
         public void setIntegerAttribute(Integer i);
         public String getStringAttribute();
         public void setStringAttribute(String s);
     }

     // Notification handler
     public void handleNotification(Notification notification, Object handback) {
         echo(">>> Received notification: " + notification);
         if (notification instanceof MonitorNotification) {
             String type = notification.getType();
             if (type.equals(MonitorNotification.RUNTIME_ERROR)) {
                 MonitorNotification mn = (MonitorNotification) notification;
                 echo("\tType: " + mn.getType());
                 echo("\tTimeStamp: " + mn.getTimeStamp());
                 echo("\tObservedObject: " + mn.getObservedObject());
                 echo("\tObservedAttribute: " + mn.getObservedAttribute());
                 echo("\tDerivedGauge: " + mn.getDerivedGauge());
                 echo("\tTrigger: " + mn.getTrigger());

                 synchronized (this) {
                     messageReceived = true;
                     notifyAll();
                 }
             }
         }
     }

     /**
      * Update the counter and check for notifications
      */
     public int counterMonitorNotification() throws Exception {

         CounterMonitor counterMonitor = new CounterMonitor();
         try {
             // Create a new CounterMonitor MBean and add it to the MBeanServer.
             //
             echo(">>> CREATE a new CounterMonitor MBean");
             ObjectName counterMonitorName = new ObjectName(
                             domain + ":type=" + CounterMonitor.class.getName());
             server.registerMBean(counterMonitor, counterMonitorName);

             echo(">>> ADD a listener to the CounterMonitor");
             counterMonitor.addNotificationListener(this, null, null);

             //
             // MANAGEMENT OF A STANDARD MBEAN
             //

             echo(">>> SET the attributes of the CounterMonitor:");

             counterMonitor.addObservedObject(obsObjName);
             echo("\tATTRIBUTE \"ObservedObject\"    = " + obsObjName);

             counterMonitor.setObservedAttribute("IntegerAttribute");
             echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");

             counterMonitor.setNotify(false);
             echo("\tATTRIBUTE \"NotifyFlag\"        = false");

             Integer threshold = 2;
             counterMonitor.setInitThreshold(threshold);
             echo("\tATTRIBUTE \"Threshold\"         = " + threshold);

             int granularityperiod = 500;
             counterMonitor.setGranularityPeriod(granularityperiod);
             echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

             echo(">>> START the CounterMonitor");
             counterMonitor.start();

             // Check if notification was received
             //
             doWait();
             if (messageReceived) {
                 echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
             } else {
                 echo("\tKO: CounterMonitor did not get " +
                      "RUNTIME_ERROR notification!");
                 return 1;
             }
         } finally {
             messageReceived = false;
             if (counterMonitor != null)
                 counterMonitor.stop();
         }

         return 0;
     }

     /**
      * Update the gauge and check for notifications
      */
     public int gaugeMonitorNotification() throws Exception {

         GaugeMonitor gaugeMonitor = new GaugeMonitor();
         try {
             // Create a new GaugeMonitor MBean and add it to the MBeanServer.
             //
             echo(">>> CREATE a new GaugeMonitor MBean");
             ObjectName gaugeMonitorName = new ObjectName(
                             domain + ":type=" + GaugeMonitor.class.getName());
             server.registerMBean(gaugeMonitor, gaugeMonitorName);

             echo(">>> ADD a listener to the GaugeMonitor");
             gaugeMonitor.addNotificationListener(this, null, null);

             //
             // MANAGEMENT OF A STANDARD MBEAN
             //

             echo(">>> SET the attributes of the GaugeMonitor:");

             gaugeMonitor.addObservedObject(obsObjName);
             echo("\tATTRIBUTE \"ObservedObject\"    = " + obsObjName);

             gaugeMonitor.setObservedAttribute("IntegerAttribute");
             echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");

             gaugeMonitor.setNotifyLow(false);
             gaugeMonitor.setNotifyHigh(false);
             echo("\tATTRIBUTE \"Notify Low  Flag\"  = false");
             echo("\tATTRIBUTE \"Notify High Flag\"  = false");

             Integer highThreshold = 3, lowThreshold = 2;
             gaugeMonitor.setThresholds(highThreshold, lowThreshold);
             echo("\tATTRIBUTE \"Low  Threshold\"    = " + lowThreshold);
             echo("\tATTRIBUTE \"High Threshold\"    = " + highThreshold);

             int granularityperiod = 500;
             gaugeMonitor.setGranularityPeriod(granularityperiod);
             echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

             echo(">>> START the GaugeMonitor");
             gaugeMonitor.start();

             // Check if notification was received
             //
             doWait();
             if (messageReceived) {
                 echo("\tOK: GaugeMonitor got RUNTIME_ERROR notification!");
             } else {
                 echo("\tKO: GaugeMonitor did not get " +
                      "RUNTIME_ERROR notification!");
                 return 1;
             }
         } finally {
             messageReceived = false;
             if (gaugeMonitor != null)
                 gaugeMonitor.stop();
         }

         return 0;
     }

     /**
      * Update the string and check for notifications
      */
     public int stringMonitorNotification() throws Exception {

         StringMonitor stringMonitor = new StringMonitor();
         try {
             // Create a new StringMonitor MBean and add it to the MBeanServer.
             //
             echo(">>> CREATE a new StringMonitor MBean");
             ObjectName stringMonitorName = new ObjectName(
                             domain + ":type=" + StringMonitor.class.getName());
             server.registerMBean(stringMonitor, stringMonitorName);

             echo(">>> ADD a listener to the StringMonitor");
             stringMonitor.addNotificationListener(this, null, null);

             //
             // MANAGEMENT OF A STANDARD MBEAN
             //

             echo(">>> SET the attributes of the StringMonitor:");

             stringMonitor.addObservedObject(obsObjName);
             echo("\tATTRIBUTE \"ObservedObject\"    = " + obsObjName);

             stringMonitor.setObservedAttribute("StringAttribute");
             echo("\tATTRIBUTE \"ObservedAttribute\" = StringAttribute");

             stringMonitor.setNotifyMatch(false);
             echo("\tATTRIBUTE \"NotifyMatch\"       = false");

             stringMonitor.setNotifyDiffer(false);
             echo("\tATTRIBUTE \"NotifyDiffer\"      = false");

             stringMonitor.setStringToCompare("dummy");
             echo("\tATTRIBUTE \"StringToCompare\"   = \"dummy\"");

             int granularityperiod = 500;
             stringMonitor.setGranularityPeriod(granularityperiod);
             echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

             echo(">>> START the StringMonitor");
             stringMonitor.start();

             // Check if notification was received
             //
             doWait();
             if (messageReceived) {
                 echo("\tOK: StringMonitor got RUNTIME_ERROR notification!");
             } else {
                 echo("\tKO: StringMonitor did not get " +
                      "RUNTIME_ERROR notification!");
                 return 1;
             }
         } finally {
             messageReceived = false;
             if (stringMonitor != null)
                 stringMonitor.stop();
         }

         return 0;
     }

     /**
      * Test the monitor notifications.
      */
     public int monitorNotifications() throws Exception {

         server = MBeanServerFactory.newMBeanServer();

         MBeanServerForwarderInvocationHandler mbsfih =
             (MBeanServerForwarderInvocationHandler)
             Proxy.getInvocationHandler(server);

         mbsfih.setGetAttributeException(
             new ReflectionException(new RuntimeException(),
                                     "Test ReflectionException"));

         domain = server.getDefaultDomain();

         obsObjName = ObjectName.getInstance(domain + ":type=ObservedObject");
         server.registerMBean(new ObservedObject(), obsObjName);

         echo(">>> ----------------------------------------");
         int error = counterMonitorNotification();
         echo(">>> ----------------------------------------");
         error += gaugeMonitorNotification();
         echo(">>> ----------------------------------------");
         error += stringMonitorNotification();
         echo(">>> ----------------------------------------");
         return error;
     }

     /*
      * Print message
      */
     private static void echo(String message) {
         System.out.println(message);
     }

     /*
      * Standalone entry point.
      *
      * Run the test and report to stdout.
      */
     public static void main (String args[]) throws Exception {
         System.setProperty("javax.management.builder.initial",
                            MBeanServerBuilderImpl.class.getName());
         ReflectionExceptionTest test = new ReflectionExceptionTest();
         int error = test.monitorNotifications();
         if (error > 0) {
             echo(">>> Unhappy Bye, Bye!");
             throw new IllegalStateException("Test FAILED: Didn't get all " +
                                             "the notifications that were " +
                                             "expected by the test!");
         } else {
             echo(">>> Happy Bye, Bye!");
         }
     }

     /*
      * Wait messageReceived to be true
      */
     synchronized void doWait() {
         while (!messageReceived) {
             try {
                 wait();
             } catch (InterruptedException e) {
                 System.err.println("Got unexpected exception: " + e);
                 e.printStackTrace();
                 break;
             }
         }
     }

     // Flag to notify that a message has been received
     private volatile boolean messageReceived = false;

     private MBeanServer server;
     private ObjectName obsObjName;
     private String domain;
 }
	/*
	* Copyright (c) 2005, 2015, 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.
	*/

	/*
	* @test
	* @bug 6205072
	* @summary Test that the jmx.monitor.error.runtime monitor notification
	* is emitted when getAttribute throws ReflectionException.
	* @author Luis-Miguel Alventosa
	* @key intermittent
	* @modules java.management
	* @run clean ReflectionExceptionTest MBeanServerBuilderImpl
	* MBeanServerForwarderInvocationHandler
	* @run build ReflectionExceptionTest MBeanServerBuilderImpl
	* MBeanServerForwarderInvocationHandler
	* @run main ReflectionExceptionTest
	*/

	import java.lang.reflect.Proxy;
	import javax.management.MBeanServer;
	import javax.management.MBeanServerFactory;
	import javax.management.Notification;
	import javax.management.NotificationListener;
	import javax.management.ObjectName;
	import javax.management.ReflectionException;
	import javax.management.monitor.CounterMonitor;
	import javax.management.monitor.GaugeMonitor;
	import javax.management.monitor.MonitorNotification;
	import javax.management.monitor.StringMonitor;

	public class ReflectionExceptionTest implements NotificationListener {

	// MBean class
	public class ObservedObject implements ObservedObjectMBean {
	public Integer getIntegerAttribute() {
	return i;
	}
	public void setIntegerAttribute(Integer i) {
	this.i = i;
	}
	public String getStringAttribute() {
	return s;
	}
	public void setStringAttribute(String s) {
	this.s = s;
	}
	private Integer i = 1;
	private String s = "dummy";
	}

	// MBean interface
	public interface ObservedObjectMBean {
	public Integer getIntegerAttribute();
	public void setIntegerAttribute(Integer i);
	public String getStringAttribute();
	public void setStringAttribute(String s);
	}

	// Notification handler
	public void handleNotification(Notification notification, Object handback) {
	echo(">>> Received notification: " + notification);
	if (notification instanceof MonitorNotification) {
	String type = notification.getType();
	if (type.equals(MonitorNotification.RUNTIME_ERROR)) {
	MonitorNotification mn = (MonitorNotification) notification;
	echo("\tType: " + mn.getType());
	echo("\tTimeStamp: " + mn.getTimeStamp());
	echo("\tObservedObject: " + mn.getObservedObject());
	echo("\tObservedAttribute: " + mn.getObservedAttribute());
	echo("\tDerivedGauge: " + mn.getDerivedGauge());
	echo("\tTrigger: " + mn.getTrigger());

	synchronized (this) {
	messageReceived = true;
	notifyAll();
	}
	}
	}
	}

	/**
	* Update the counter and check for notifications
	*/
	public int counterMonitorNotification() throws Exception {

	CounterMonitor counterMonitor = new CounterMonitor();
	try {
	// Create a new CounterMonitor MBean and add it to the MBeanServer.
	//
	echo(">>> CREATE a new CounterMonitor MBean");
	ObjectName counterMonitorName = new ObjectName(
	domain + ":type=" + CounterMonitor.class.getName());
	server.registerMBean(counterMonitor, counterMonitorName);

	echo(">>> ADD a listener to the CounterMonitor");
	counterMonitor.addNotificationListener(this, null, null);

	//
	// MANAGEMENT OF A STANDARD MBEAN
	//

	echo(">>> SET the attributes of the CounterMonitor:");

	counterMonitor.addObservedObject(obsObjName);
	echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);

	counterMonitor.setObservedAttribute("IntegerAttribute");
	echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");

	counterMonitor.setNotify(false);
	echo("\tATTRIBUTE \"NotifyFlag\" = false");

	Integer threshold = 2;
	counterMonitor.setInitThreshold(threshold);
	echo("\tATTRIBUTE \"Threshold\" = " + threshold);

	int granularityperiod = 500;
	counterMonitor.setGranularityPeriod(granularityperiod);
	echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

	echo(">>> START the CounterMonitor");
	counterMonitor.start();

	// Check if notification was received
	//
	doWait();
	if (messageReceived) {
	echo("\tOK: CounterMonitor got RUNTIME_ERROR notification!");
	} else {
	echo("\tKO: CounterMonitor did not get " +
	"RUNTIME_ERROR notification!");
	return 1;
	}
	} finally {
	messageReceived = false;
	if (counterMonitor != null)
	counterMonitor.stop();
	}

	return 0;
	}

	/**
	* Update the gauge and check for notifications
	*/
	public int gaugeMonitorNotification() throws Exception {

	GaugeMonitor gaugeMonitor = new GaugeMonitor();
	try {
	// Create a new GaugeMonitor MBean and add it to the MBeanServer.
	//
	echo(">>> CREATE a new GaugeMonitor MBean");
	ObjectName gaugeMonitorName = new ObjectName(
	domain + ":type=" + GaugeMonitor.class.getName());
	server.registerMBean(gaugeMonitor, gaugeMonitorName);

	echo(">>> ADD a listener to the GaugeMonitor");
	gaugeMonitor.addNotificationListener(this, null, null);

	//
	// MANAGEMENT OF A STANDARD MBEAN
	//

	echo(">>> SET the attributes of the GaugeMonitor:");

	gaugeMonitor.addObservedObject(obsObjName);
	echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);

	gaugeMonitor.setObservedAttribute("IntegerAttribute");
	echo("\tATTRIBUTE \"ObservedAttribute\" = IntegerAttribute");

	gaugeMonitor.setNotifyLow(false);
	gaugeMonitor.setNotifyHigh(false);
	echo("\tATTRIBUTE \"Notify Low Flag\" = false");
	echo("\tATTRIBUTE \"Notify High Flag\" = false");

	Integer highThreshold = 3, lowThreshold = 2;
	gaugeMonitor.setThresholds(highThreshold, lowThreshold);
	echo("\tATTRIBUTE \"Low Threshold\" = " + lowThreshold);
	echo("\tATTRIBUTE \"High Threshold\" = " + highThreshold);

	int granularityperiod = 500;
	gaugeMonitor.setGranularityPeriod(granularityperiod);
	echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

	echo(">>> START the GaugeMonitor");
	gaugeMonitor.start();

	// Check if notification was received
	//
	doWait();
	if (messageReceived) {
	echo("\tOK: GaugeMonitor got RUNTIME_ERROR notification!");
	} else {
	echo("\tKO: GaugeMonitor did not get " +
	"RUNTIME_ERROR notification!");
	return 1;
	}
	} finally {
	messageReceived = false;
	if (gaugeMonitor != null)
	gaugeMonitor.stop();
	}

	return 0;
	}

	/**
	* Update the string and check for notifications
	*/
	public int stringMonitorNotification() throws Exception {

	StringMonitor stringMonitor = new StringMonitor();
	try {
	// Create a new StringMonitor MBean and add it to the MBeanServer.
	//
	echo(">>> CREATE a new StringMonitor MBean");
	ObjectName stringMonitorName = new ObjectName(
	domain + ":type=" + StringMonitor.class.getName());
	server.registerMBean(stringMonitor, stringMonitorName);

	echo(">>> ADD a listener to the StringMonitor");
	stringMonitor.addNotificationListener(this, null, null);

	//
	// MANAGEMENT OF A STANDARD MBEAN
	//

	echo(">>> SET the attributes of the StringMonitor:");

	stringMonitor.addObservedObject(obsObjName);
	echo("\tATTRIBUTE \"ObservedObject\" = " + obsObjName);

	stringMonitor.setObservedAttribute("StringAttribute");
	echo("\tATTRIBUTE \"ObservedAttribute\" = StringAttribute");

	stringMonitor.setNotifyMatch(false);
	echo("\tATTRIBUTE \"NotifyMatch\" = false");

	stringMonitor.setNotifyDiffer(false);
	echo("\tATTRIBUTE \"NotifyDiffer\" = false");

	stringMonitor.setStringToCompare("dummy");
	echo("\tATTRIBUTE \"StringToCompare\" = \"dummy\"");

	int granularityperiod = 500;
	stringMonitor.setGranularityPeriod(granularityperiod);
	echo("\tATTRIBUTE \"GranularityPeriod\" = " + granularityperiod);

	echo(">>> START the StringMonitor");
	stringMonitor.start();

	// Check if notification was received
	//
	doWait();
	if (messageReceived) {
	echo("\tOK: StringMonitor got RUNTIME_ERROR notification!");
	} else {
	echo("\tKO: StringMonitor did not get " +
	"RUNTIME_ERROR notification!");
	return 1;
	}
	} finally {
	messageReceived = false;
	if (stringMonitor != null)
	stringMonitor.stop();
	}

	return 0;
	}

	/**
	* Test the monitor notifications.
	*/
	public int monitorNotifications() throws Exception {

	server = MBeanServerFactory.newMBeanServer();

	MBeanServerForwarderInvocationHandler mbsfih =
	(MBeanServerForwarderInvocationHandler)
	Proxy.getInvocationHandler(server);

	mbsfih.setGetAttributeException(
	new ReflectionException(new RuntimeException(),
	"Test ReflectionException"));

	domain = server.getDefaultDomain();

	obsObjName = ObjectName.getInstance(domain + ":type=ObservedObject");
	server.registerMBean(new ObservedObject(), obsObjName);

	echo(">>> ----------------------------------------");
	int error = counterMonitorNotification();
	echo(">>> ----------------------------------------");
	error += gaugeMonitorNotification();
	echo(">>> ----------------------------------------");
	error += stringMonitorNotification();
	echo(">>> ----------------------------------------");
	return error;
	}

	/*
	* Print message
	*/
	private static void echo(String message) {
	System.out.println(message);
	}

	/*
	* Standalone entry point.
	*
	* Run the test and report to stdout.
	*/
	public static void main (String args[]) throws Exception {
	System.setProperty("javax.management.builder.initial",
	MBeanServerBuilderImpl.class.getName());
	ReflectionExceptionTest test = new ReflectionExceptionTest();
	int error = test.monitorNotifications();
	if (error > 0) {
	echo(">>> Unhappy Bye, Bye!");
	throw new IllegalStateException("Test FAILED: Didn't get all " +
	"the notifications that were " +
	"expected by the test!");
	} else {
	echo(">>> Happy Bye, Bye!");
	}
	}

	/*
	* Wait messageReceived to be true
	*/
	synchronized void doWait() {
	while (!messageReceived) {
	try {
	wait();
	} catch (InterruptedException e) {
	System.err.println("Got unexpected exception: " + e);
	e.printStackTrace();
	break;
	}
	}
	}

	// Flag to notify that a message has been received
	private volatile boolean messageReceived = false;

	private MBeanServer server;
	private ObjectName obsObjName;
	private String domain;
	}