Java Code Examples for javax.management.MBeanException

/**
 * Invokes an operation on an MBean.
 *
 * @param onameStr The name of the MBean.
 * @param operation The name of the operation to invoke.
 * @param parameters An array of Strings containing the parameters to the
 *            operation. They will be converted to the appropriate types to
 *            call the requested operation.
 * @return The value returned by the requested operation.
 */
private Object invokeOperationInternal(String onameStr, String operation, String[] parameters)
        throws OperationsException, MBeanException, ReflectionException {
    ObjectName oname = new ObjectName(onameStr);
    MBeanOperationInfo methodInfo = registry.getMethodInfo(oname, operation);
    MBeanParameterInfo[] signature = methodInfo.getSignature();
    String[] signatureTypes = new String[signature.length];
    Object[] values = new Object[signature.length];
    for (int i = 0; i < signature.length; i++) {
        MBeanParameterInfo pi = signature[i];
        signatureTypes[i] = pi.getType();
        values[i] = registry.convertValue(pi.getType(), parameters[i]);
    }

    return mBeanServer.invoke(oname, operation, values, signatureTypes);
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className, ObjectName name)
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name);
    }
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className, ObjectName name)
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name);
    }
}
 

Object getAttribute(Object resource, String attribute, Object cookie)
        throws AttributeNotFoundException,
               MBeanException,
               ReflectionException {

    final M cm = getters.get(attribute);
    if (cm == null) {
        final String msg;
        if (setters.containsKey(attribute))
            msg = "Write-only attribute: " + attribute;
        else
            msg = "No such attribute: " + attribute;
        throw new AttributeNotFoundException(msg);
    }
    return introspector.invokeM(cm, resource, (Object[]) null, cookie);
}
 

public Object invoke(ObjectName name, String operationName,
                     Object params[], String signature[])
        throws InstanceNotFoundException, MBeanException,
               ReflectionException {

    name = nonDefaultDomain(name);

    DynamicMBean instance = getMBean(name);
    checkMBeanPermission(instance, operationName, name, "invoke");
    try {
        return instance.invoke(operationName, params, signature);
    } catch (Throwable t) {
        rethrowMaybeMBeanException(t);
        throw new AssertionError();
    }
}
 

/**
 * Always fails since the MBeanServerDelegate MBean has no operation.
 *
 * @param actionName The name of the action to be invoked.
 * @param params An array containing the parameters to be set when the
 *        action is invoked.
 * @param signature An array containing the signature of the action.
 *
 * @return  The object returned by the action, which represents
 *          the result of invoking the action on the MBean specified.
 *
 * @exception MBeanException  Wraps a <CODE>java.lang.Exception</CODE>
 *         thrown by the MBean's invoked method.
 * @exception ReflectionException  Wraps a
 *      <CODE>java.lang.Exception</CODE> thrown while trying to invoke
 *      the method.
 */
public Object invoke(String actionName, Object params[],
                     String signature[])
    throws MBeanException, ReflectionException {
    // Check that operation name is not null.
    //
    if (actionName == null) {
        final RuntimeException r =
          new IllegalArgumentException("Operation name  cannot be null");
        throw new RuntimeOperationsException(r,
        "Exception occurred trying to invoke the operation on the MBean");
    }

    throw new ReflectionException(
                      new NoSuchMethodException(actionName),
                      "The operation with name " + actionName +
                      " could not be found");
}
 

Object getAttribute(Object resource, String attribute, Object cookie)
        throws AttributeNotFoundException,
               MBeanException,
               ReflectionException {

    final M cm = getters.get(attribute);
    if (cm == null) {
        final String msg;
        if (setters.containsKey(attribute))
            msg = "Write-only attribute: " + attribute;
        else
            msg = "No such attribute: " + attribute;
        throw new AttributeNotFoundException(msg);
    }
    return introspector.invokeM(cm, resource, (Object[]) null, cookie);
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className, ObjectName name,
                                  Object params[], String signature[])
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className,
                                                     params,
                                                     signature);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name,
                                            params, signature);
    }
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className, ObjectName name)
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name);
    }
}
 

public ObjectInstance createMBean(String className, ObjectName name,
                                  Object[] params, String[] signature)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException  {

    try {
        return createMBean(className, name, null, true,
                           params, signature);
    } catch (InstanceNotFoundException e) {
        /* Can only happen if loaderName doesn't exist, but we just
           passed null, so we shouldn't get this exception.  */
        throw EnvHelp.initCause(
            new IllegalArgumentException("Unexpected exception: " + e), e);
    }
}
 

private Notification createNotication(Recording recording) {
    try {
        Long id = recording.getId();
        Object oldValue = changes.get(recording.getId());
        Object newValue = getAttribute(ATTRIBUTE_RECORDINGS);
        if (recording.getState() != RecordingState.CLOSED) {
            changes.put(id, newValue);
        } else {
            changes.remove(id);
        }
        return new AttributeChangeNotification(getObjectName(), sequenceNumber.incrementAndGet(), System.currentTimeMillis(), "Recording " + recording.getName() + " is "
                + recording.getState(), ATTRIBUTE_RECORDINGS, newValue.getClass().getName(), oldValue, newValue);
    } catch (AttributeNotFoundException | MBeanException | ReflectionException e) {
        throw new RuntimeException("Could not create notifcation for FlightRecorderMXBean. " + e.getMessage(), e);
    }
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className, ObjectName name,
                                  Object params[], String signature[])
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className,
                                                     params,
                                                     signature);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name,
                                            params, signature);
    }
}
 

/**
 * Return the set of application parameters for this application.
 * @return a string array with a representation of each parameter
 * @throws MBeanException propagated from the managed resource access
 */
public String[] findApplicationParameters() throws MBeanException {

    Context context = doGetManagedResource();

    ApplicationParameter[] params = context.findApplicationParameters();
    String[] stringParams = new String[params.length];
    for (int counter = 0; counter < params.length; counter++) {
       stringParams[counter] = params[counter].toString();
    }

    return stringParams;
}
 

@Override
Object invokeM2(ConvertingMethod m, Object target, Object[] args,
                Object cookie)
        throws InvocationTargetException, IllegalAccessException,
               MBeanException {
    return m.invokeWithOpenReturn((MXBeanLookup) cookie, target, args);
}
 

public ObjectInstance createMBean(
        String className, ObjectName name, Object[] params, String[] signature)
throws ReflectionException, InstanceAlreadyExistsException,
        MBeanRegistrationException, MBeanException,
        NotCompliantMBeanException {
    try {
        return createMBean(className, name, clrName, params, signature);
    } catch (InstanceNotFoundException ex) {
        throw new RuntimeException(ex);  // can't happen
    }
}
 

/**
 * Call <code>checkRead()</code>, then forward this method to the
 * wrapped object.
 */
public Object getAttribute(ObjectName name, String attribute)
    throws
    MBeanException,
    AttributeNotFoundException,
    InstanceNotFoundException,
    ReflectionException {
    checkRead();
    return getMBeanServer().getAttribute(name, attribute);
}
 

/**
 * Retrieves all executors.
 * @return an array of string representations of the executors
 * @throws MBeanException error accessing the associated service
 */
public String[] findExecutors() throws MBeanException {

    Service service = doGetManagedResource();

    Executor[] executors = service.findExecutors();
    String[] str = new String[executors.length];

    for(int i = 0; i < executors.length; i++){
        str[i] = executors[i].toString();
    }

    return str;
}
 

public void setMBeanDescriptor(Descriptor inMBeanDescriptor)
throws MBeanException, RuntimeOperationsException {
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "setMBeanDescriptor(Descriptor)", "Entry");
    }
    modelMBeanDescriptor = validDescriptor(inMBeanDescriptor);
}
 

public ObjectInstance createMBean(
        String className, ObjectName name, ObjectName loaderName)
throws ReflectionException, InstanceAlreadyExistsException,
        MBeanRegistrationException, MBeanException,
        NotCompliantMBeanException, InstanceNotFoundException {
    return createMBean(className, name, loaderName, null, null);
}
 

public ObjectInstance createMBean(String className, ObjectName name)
    throws ReflectionException, InstanceAlreadyExistsException,
           MBeanRegistrationException, MBeanException,
           NotCompliantMBeanException {

    return createMBean(className, name, (Object[]) null, (String[]) null);

}
 

public ModelMBeanNotificationInfo getNotification(String inName)
throws MBeanException, RuntimeOperationsException {
    ModelMBeanNotificationInfo retInfo = null;
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getNotification(String)", "Entry");
    }
    if (inName == null) {
        throw new RuntimeOperationsException(
                new IllegalArgumentException("Notification name is null"),
                "Exception occurred trying to get the " +
                "ModelMBeanNotificationInfo of the MBean");
    }
    MBeanNotificationInfo[] notifList = modelMBeanNotifications; //this.getNotifications();
    int numNotifs = 0;
    if (notifList != null) numNotifs = notifList.length;

    for (int i=0; (i < numNotifs) && (retInfo == null); i++) {
        if (inName.equals(notifList[i].getName())) {
            retInfo = ((ModelMBeanNotificationInfo) notifList[i].clone());
        }
    }
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getNotification(String)", "Exit");
    }

    return retInfo;
}
 

Object invokeWithOpenReturn(MXBeanLookup lookup,
                            Object obj, Object[] params)
        throws MBeanException, IllegalAccessException,
               InvocationTargetException {
    MXBeanLookup old = MXBeanLookup.getLookup();
    try {
        MXBeanLookup.setLookup(lookup);
        return invokeWithOpenReturn(obj, params);
    } finally {
        MXBeanLookup.setLookup(old);
    }
}
 

public ModelMBeanOperationInfo getOperation(String inName)
throws MBeanException, RuntimeOperationsException {
    ModelMBeanOperationInfo retInfo = null;
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getOperation(String)", "Entry");
    }
    if (inName == null) {
        throw new RuntimeOperationsException(
                new IllegalArgumentException("inName is null"),
                "Exception occurred trying to get the " +
                "ModelMBeanOperationInfo of the MBean");
    }
    MBeanOperationInfo[] operList = modelMBeanOperations; //this.getOperations();
    int numOpers = 0;
    if (operList != null) numOpers = operList.length;

    for (int i=0; (i < numOpers) && (retInfo == null); i++) {
        if (inName.equals(operList[i].getName())) {
            retInfo = ((ModelMBeanOperationInfo) operList[i].clone());
        }
    }
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                ModelMBeanInfoSupport.class.getName(),
                "getOperation(String)", "Exit");
    }

    return retInfo;
}
 

@Override
public Object getAttribute(String attribute)
		throws AttributeNotFoundException, MBeanException, ReflectionException {
	if (attribute == null) {
		throw new RuntimeOperationsException(new IllegalArgumentException("The attribute name cannot be null."),
				"Cannot invoke getAttribute on " + MBEAN_OBJECT_NAME + " with null as attribute name.");
	}
	Counter c = counterMap.get(attribute);
	if (c == null) {
		throw new AttributeNotFoundException("Could not find the attribute " + attribute);
	}
	return c.getValue();
}
 

public ObjectInstance createMBean(String className,
        ObjectName name,
        ObjectName loaderName,
        Object params[],
        String signature[])
        throws ReflectionException,
        InstanceAlreadyExistsException,
        MBeanRegistrationException,
        MBeanException,
        NotCompliantMBeanException,
        InstanceNotFoundException,
        IOException {
    if (logger.debugOn()) logger.debug(
            "createMBean(String,ObjectName,ObjectName,Object[],String[])",
            "className=" + className + ", name=" + name + ", loaderName="
            + loaderName + ", signature=" + strings(signature));

    final MarshalledObject<Object[]> sParams =
            new MarshalledObject<Object[]>(params);
    final ClassLoader old = pushDefaultClassLoader();
    try {
        return connection.createMBean(className,
                name,
                loaderName,
                sParams,
                signature,
                delegationSubject);
    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        return connection.createMBean(className,
                name,
                loaderName,
                sParams,
                signature,
                delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}
 

public Object getAttribute(ObjectName name, String attribute)
    throws MBeanException, AttributeNotFoundException,
           InstanceNotFoundException, ReflectionException {

    if (name == null) {
        throw new RuntimeOperationsException(new
            IllegalArgumentException("Object name cannot be null"),
            "Exception occurred trying to invoke the getter on the MBean");
    }
    if (attribute == null) {
        throw new RuntimeOperationsException(new
            IllegalArgumentException("Attribute cannot be null"),
            "Exception occurred trying to invoke the getter on the MBean");
    }

    name = nonDefaultDomain(name);

    if (MBEANSERVER_LOGGER.isLoggable(Level.FINER)) {
        MBEANSERVER_LOGGER.logp(Level.FINER,
                DefaultMBeanServerInterceptor.class.getName(),
                "getAttribute",
                "Attribute = " + attribute + ", ObjectName = " + name);
    }

    final DynamicMBean instance = getMBean(name);
    checkMBeanPermission(instance, attribute, name, "getAttribute");

    try {
        return instance.getAttribute(attribute);
    } catch (AttributeNotFoundException e) {
        throw e;
    } catch (Throwable t) {
        rethrowMaybeMBeanException(t);
        throw new AssertionError(); // not reached
    }
}
 

/**
 * Call <code>checkWrite()</code>, then forward this method to the
 * wrapped object.
 */
public void setAttribute(ObjectName name, Attribute attribute)
    throws
    InstanceNotFoundException,
    AttributeNotFoundException,
    InvalidAttributeValueException,
    MBeanException,
    ReflectionException {
    checkWrite();
    getMBeanServer().setAttribute(name, attribute);
}
 

public Object invoke(String opName, Object[] params, String[] sig)
        throws MBeanException {
    assert params == null && sig == null;
    if (opName.equals("UncheckedException"))
        throw theUncheckedException;
    else
        throw new AssertionError();
}
 

/**
 * Call <code>checkCreate(className)</code>, then forward this method to the
 * wrapped object.
 */
public ObjectInstance createMBean(String className,
                                  ObjectName name,
                                  ObjectName loaderName,
                                  Object params[],
                                  String signature[])
    throws
    ReflectionException,
    InstanceAlreadyExistsException,
    MBeanRegistrationException,
    MBeanException,
    NotCompliantMBeanException,
    InstanceNotFoundException {
    checkCreate(className);
    SecurityManager sm = System.getSecurityManager();
    if (sm == null) {
        Object object = getMBeanServer().instantiate(className,
                                                     loaderName,
                                                     params,
                                                     signature);
        checkClassLoader(object);
        return getMBeanServer().registerMBean(object, name);
    } else {
        return getMBeanServer().createMBean(className, name, loaderName,
                                            params, signature);
    }
}
 

@Override
Object invokeM2(ConvertingMethod m, Object target, Object[] args,
                Object cookie)
        throws InvocationTargetException, IllegalAccessException,
               MBeanException {
    return m.invokeWithOpenReturn((MXBeanLookup) cookie, target, args);
}