javax.management.Attribute Java Examples

/**
 * Set property value.
 *
 * @param jmxServerConnection Connection to the JMX server
 * @param name The MBean name
 * @return null (no error message to report other than exception)
 * @throws Exception An error occurred
 */
protected String jmxSet(MBeanServerConnection jmxServerConnection,
        String name) throws Exception {
    Object realValue;
    if (type != null) {
        realValue = convertStringToType(value, type);
    } else {
        if (isConvert()) {
            String mType = getMBeanAttributeType(jmxServerConnection, name,
                    attribute);
            realValue = convertStringToType(value, mType);
        } else
            realValue = value;
    }
    jmxServerConnection.setAttribute(new ObjectName(name), new Attribute(
            attribute, realValue));
    return null;
}
 

public void setAttribute(ObjectName name,
        Attribute attribute)
        throws InstanceNotFoundException,
        AttributeNotFoundException,
        InvalidAttributeValueException,
        MBeanException,
        ReflectionException,
        IOException {

    if (logger.debugOn()) logger.debug("setAttribute",
            "name=" + name + ", attribute name="
            + attribute.getName());

    final MarshalledObject<Attribute> sAttribute =
            new MarshalledObject<Attribute>(attribute);
    final ClassLoader old = pushDefaultClassLoader();
    try {
        connection.setAttribute(name, sAttribute, delegationSubject);
    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        connection.setAttribute(name, sAttribute, delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}
 

private void doTest(JMXConnector connector) throws IOException,
MalformedObjectNameException, ReflectionException,
InstanceAlreadyExistsException, MBeanRegistrationException,
MBeanException, NotCompliantMBeanException, InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException {
    MBeanServerConnection  mbsc = connector.getMBeanServerConnection();


    ObjectName objName = new ObjectName("com.redhat.test.jmx:type=NameMBean");
    System.out.println("DEBUG: Calling createMBean");
    mbsc.createMBean(Name.class.getName(), objName);

    System.out.println("DEBUG: Calling setAttributes");
    AttributeList attList = new AttributeList();
    attList.add(new Attribute("FirstName", ANY_NAME));
    attList.add(new Attribute("LastName", ANY_NAME));
    mbsc.setAttributes(objName, attList);
}
 

public void setAttribute(ObjectName name,
        Attribute attribute)
        throws InstanceNotFoundException,
        AttributeNotFoundException,
        InvalidAttributeValueException,
        MBeanException,
        ReflectionException,
        IOException {

    if (logger.debugOn()) logger.debug("setAttribute",
            "name=" + name + ", attribute name="
            + attribute.getName());

    final MarshalledObject<Attribute> sAttribute =
            new MarshalledObject<Attribute>(attribute);
    final ClassLoader old = pushDefaultClassLoader();
    try {
        connection.setAttribute(name, sAttribute, delegationSubject);
    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        connection.setAttribute(name, sAttribute, delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}
 

public void setAttribute(ObjectName name,
        Attribute attribute)
        throws InstanceNotFoundException,
        AttributeNotFoundException,
        InvalidAttributeValueException,
        MBeanException,
        ReflectionException,
        IOException {

    if (logger.debugOn()) logger.debug("setAttribute",
            "name=" + name + ", attribute name="
            + attribute.getName());

    final MarshalledObject<Attribute> sAttribute =
            new MarshalledObject<Attribute>(attribute);
    final ClassLoader old = pushDefaultClassLoader();
    try {
        connection.setAttribute(name, sAttribute, delegationSubject);
    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        connection.setAttribute(name, sAttribute, delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}
 

private synchronized NameValueMap getCachedAttributes(ObjectName objName, Set<String> attrNames)
		throws InstanceNotFoundException, ReflectionException, IOException {
	NameValueMap values = cachedValues.get(objName);
	if (values != null && values.keySet().containsAll(attrNames)) {
		return values;
	}
	attrNames = new TreeSet<String>(attrNames);
	Set<String> oldNames = cachedNames.get(objName);
	if (oldNames != null) {
		attrNames.addAll(oldNames);
	}
	values = new NameValueMap();
	final AttributeList attrs = conn.getAttributes(objName, attrNames.toArray(new String[attrNames.size()]));
	for (Attribute attr : attrs.asList()) {
		values.put(attr.getName(), attr.getValue());
	}
	cachedValues.put(objName, values);
	cachedNames.put(objName, attrNames);
	return values;
}
 

@Nullable
private Object invokeAttribute(PropertyDescriptor pd, MethodInvocation invocation)
		throws JMException, IOException {

	Assert.state(this.serverToUse != null, "No MBeanServerConnection available");

	String attributeName = JmxUtils.getAttributeName(pd, this.useStrictCasing);
	MBeanAttributeInfo inf = this.allowedAttributes.get(attributeName);
	// If no attribute is returned, we know that it is not defined in the
	// management interface.
	if (inf == null) {
		throw new InvalidInvocationException(
				"Attribute '" + pd.getName() + "' is not exposed on the management interface");
	}

	if (invocation.getMethod().equals(pd.getReadMethod())) {
		if (inf.isReadable()) {
			return this.serverToUse.getAttribute(this.objectName, attributeName);
		}
		else {
			throw new InvalidInvocationException("Attribute '" + attributeName + "' is not readable");
		}
	}
	else if (invocation.getMethod().equals(pd.getWriteMethod())) {
		if (inf.isWritable()) {
			this.serverToUse.setAttribute(this.objectName, new Attribute(attributeName, invocation.getArguments()[0]));
			return null;
		}
		else {
			throw new InvalidInvocationException("Attribute '" + attributeName + "' is not writable");
		}
	}
	else {
		throw new IllegalStateException(
				"Method [" + invocation.getMethod() + "] is neither a bean property getter nor a setter");
	}
}
 

/**
 * Makes it possible to get the values of several attributes of
 * the MBeanServerDelegate.
 *
 * @param attributes A list of the attributes to be retrieved.
 *
 * @return  The list of attributes retrieved.
 *
 */
public AttributeList getAttributes(String[] attributes) {
    // If attributes is null, the get all attributes.
    //
    final String[] attn = (attributes==null?attributeNames:attributes);

    // Prepare the result list.
    //
    final int len = attn.length;
    final AttributeList list = new AttributeList(len);

    // Get each requested attribute.
    //
    for (int i=0;i<len;i++) {
        try {
            final Attribute a =
                new Attribute(attn[i],getAttribute(attn[i]));
            list.add(a);
        } catch (Exception x) {
            // Skip the attribute that couldn't be obtained.
            //
            if (MBEANSERVER_LOGGER.isLoggable(Level.FINEST)) {
                MBEANSERVER_LOGGER.logp(Level.FINEST,
                        MBeanServerDelegateImpl.class.getName(),
                        "getAttributes",
                        "Attribute " + attn[i] + " not found");
            }
        }
    }

    // Finally return the result.
    //
    return list;
}
 

/**
 * Sets an MBean attribute's value.
 */
private void setAttributeInternal(String onameStr, String attributeName, String value)
        throws OperationsException, MBeanException, ReflectionException {
    ObjectName oname = new ObjectName(onameStr);
    String type = registry.getType(oname, attributeName);
    Object valueObj = registry.convertValue(type, value);
    mBeanServer.setAttribute(oname, new Attribute(attributeName, valueObj));
}
 

public AttributeList setAttributes(AttributeList attributes) {
    AttributeList list = new AttributeList();
    // We carefully avoid using any new stuff from AttributeList here!
    for (Iterator<?> it = attributes.iterator(); it.hasNext(); ) {
        Attribute attr = (Attribute) it.next();
        try {
            setAttribute(attr);
            list.add(attr);
        } catch (Exception e) {
            // OK: ignore per spec
        }
    }
    return list;
}
 

public AttributeList getAttributes(String[] attributes) {
    AttributeList list = new AttributeList();
    for (String attr : attributes) {
        try {
            list.add(new Attribute(attr, getAttribute(attr)));
        } catch (Exception e) {
            // OK: ignore per spec
        }
    }
    return list;
}
 

/**
 * 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);
}
 

/**
 * Set the value of an SNMP variable.
 *
 * <p><b><i>
 * You should never need to use this method directly.
 * </i></b></p>
 *
 * @param meta  The impacted metadata object
 * @param name  The ObjectName of the impacted MBean
 * @param x     The new requested SnmpValue
 * @param id    The OID arc identifying the variable we're trying to set.
 * @param data  User contextual data allocated through the
 *        {@link com.sun.jmx.snmp.agent.SnmpUserDataFactory}
 *
 * @return The new value of the variable after the operation.
 *
 * @exception SnmpStatusException whenever an SNMP exception must be
 *      raised. Raising an exception will abort the request. <br>
 *      Exceptions should never be raised directly, but only by means of
 * <code>
 * req.registerSetException(<i>VariableId</i>,<i>SnmpStatusException</i>)
 * </code>
 **/
public SnmpValue set(SnmpGenericMetaServer meta, ObjectName name,
                     SnmpValue x, long id, Object data)
    throws SnmpStatusException {
    final String attname = meta.getAttributeName(id);
    final Object attvalue=
        meta.buildAttributeValue(id,x);
    final Attribute att = new Attribute(attname,attvalue);

    Object result = null;

    try {
        server.setAttribute(name,att);
        result = server.getAttribute(name,attname);
    } catch(InvalidAttributeValueException iv) {
        throw new
            SnmpStatusException(SnmpStatusException.snmpRspWrongValue);
    } catch (InstanceNotFoundException f) {
        throw new
            SnmpStatusException(SnmpStatusException.snmpRspInconsistentName);
    } catch (ReflectionException r) {
        throw new
            SnmpStatusException(SnmpStatusException.snmpRspInconsistentName);
    } catch (MBeanException m) {
        Exception t = m.getTargetException();
        if (t instanceof SnmpStatusException)
            throw (SnmpStatusException) t;
        throw new
            SnmpStatusException(SnmpStatusException.noAccess);
    } catch (Exception e) {
        throw new
            SnmpStatusException(SnmpStatusException.noAccess);
    }

    return meta.buildSnmpValue(id,result);
}
 

protected int doSetRequest(MBeanServerConnection mbsc,
                           ObjectName on,
                           boolean expectedException) {
    int errorCount = 0;

    try {
        Utils.debug(Utils.DEBUG_STANDARD,
            "ClientSide::doSetRequest: Set attributes of the MBean") ;

        Attribute attribute = new Attribute("Attribute", "My value") ;
        mbsc.setAttribute(on, attribute) ;

        if (expectedException) {
            System.out.println("ClientSide::doSetRequest: " +
                "(ERROR) Set did not fail with expected SecurityException");
            errorCount++;
        } else {
            System.out.println("ClientSide::doSetRequest: (OK) Set succeed") ;
        }
    } catch(Exception e) {
        Utils.printThrowable(e, true) ;
        if (expectedException) {
            if (e instanceof java.lang.SecurityException) {
                System.out.println("ClientSide::doSetRequest: " +
                    "(OK) Set failed with expected SecurityException") ;
            } else {
                System.out.println("ClientSide::doSetRequest: " +
                    "(ERROR) Set failed with " +
                    e.getClass() + " instead of expected SecurityException");
                errorCount++;
            }
        } else {
            System.out.println("ClientSide::doSetRequest: (ERROR) Set failed");
            errorCount++;
        }
    }
    return errorCount;
}
 

public void setAttribute(Attribute attr)
        throws MBeanException {
    String attrName = attr.getName();
    if (attrName.equals("UncheckedException"))
        throw theUncheckedException;
    else
        throw new AssertionError();
}
 

@Test
public void testWithExposeClassLoader() throws Exception {
	String name = "Rob Harrop";
	String otherName = "Juergen Hoeller";

	JmxTestBean bean = new JmxTestBean();
	bean.setName(name);
	ObjectName objectName = ObjectNameManager.getInstance("spring:type=Test");

	Map<String, Object> beans = new HashMap<>();
	beans.put(objectName.toString(), bean);

	MBeanExporter exporter = new MBeanExporter();
	exporter.setServer(getServer());
	exporter.setBeans(beans);
	exporter.setExposeManagedResourceClassLoader(true);
	start(exporter);

	assertIsRegistered("Bean instance not registered", objectName);

	Object result = server.invoke(objectName, "add", new Object[] {new Integer(2), new Integer(3)}, new String[] {
			int.class.getName(), int.class.getName()});

	assertEquals("Incorrect result return from add", result, new Integer(5));
	assertEquals("Incorrect attribute value", name, server.getAttribute(objectName, "Name"));

	server.setAttribute(objectName, new Attribute("Name", otherName));
	assertEquals("Incorrect updated name.", otherName, bean.getName());
}
 

/**
 * Returns the values of several attributes in the ModelMBean.
 * Executes a getAttribute for each attribute name in the
 * attrNames array passed in.
 *
 * @param attrNames A String array of names of the attributes
 * to be retrieved.
 *
 * @return The array of the retrieved attributes.
 *
 * @exception RuntimeOperationsException Wraps an
 * {@link IllegalArgumentException}: The object name in parameter is
 * null or attributes in parameter is null.
 *
 * @see #setAttributes(javax.management.AttributeList)
 */
public AttributeList getAttributes(String[] attrNames)      {
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                RequiredModelMBean.class.getName(),
        "getAttributes(String[])","Entry");
    }

    if (attrNames == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException("attributeNames must not be null"),
            "Exception occurred trying to get attributes of a "+
            "RequiredModelMBean");

    AttributeList responseList = new AttributeList();
    for (int i = 0; i < attrNames.length; i++) {
        try {
            responseList.add(new Attribute(attrNames[i],
                                 getAttribute(attrNames[i])));
        } catch (Exception e) {
            // eat exceptions because interface doesn't have an
            // exception on it
            if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
                MODELMBEAN_LOGGER.logp(Level.FINER,
                        RequiredModelMBean.class.getName(),
                    "getAttributes(String[])",
                        "Failed to get \"" + attrNames[i] + "\": ", e);
            }
        }
    }

    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
            RequiredModelMBean.class.getName(),
                "getAttributes(String[])","Exit");
    }

    return responseList;
}
 

/**
 * This method always fail since all MBeanServerDelegateMBean attributes
 * are read-only.
 *
 * @param attribute The identification of the attribute to
 * be set and  the value it is to be set to.
 *
 * @exception AttributeNotFoundException
 */
public void setAttribute(Attribute attribute)
    throws AttributeNotFoundException, InvalidAttributeValueException,
           MBeanException, ReflectionException {

    // Now we will always fail:
    // Either because the attribute is null or because it is not
    // accessible (or does not exist).
    //
    final String attname = (attribute==null?null:attribute.getName());
    if (attname == null) {
        final RuntimeException r =
            new IllegalArgumentException("Attribute name cannot be null");
        throw new RuntimeOperationsException(r,
            "Exception occurred trying to invoke the setter on the MBean");
    }

    // This is a hack: we call getAttribute in order to generate an
    // AttributeNotFoundException if the attribute does not exist.
    //
    Object val = getAttribute(attname);

    // If we reach this point, we know that the requested attribute
    // exists. However, since all attributes are read-only, we throw
    // an AttributeNotFoundException.
    //
    throw new AttributeNotFoundException(attname + " not accessible");
}
 

private AttributeList getAttributes(ObjectName objName, String[] attrNames)
		throws InstanceNotFoundException, ReflectionException, IOException {
	final NameValueMap values = getCachedAttributes(objName, new TreeSet<String>(Arrays.asList(attrNames)));
	final AttributeList list = new AttributeList();
	for (String attrName : attrNames) {
		final Object value = values.get(attrName);
		if (value != null || values.containsKey(attrName)) {
			list.add(new Attribute(attrName, value));
		}
	}
	return list;
}
 

/**
 * Switches the {@link Thread#getContextClassLoader() context ClassLoader} for the
 * managed resources {@link ClassLoader} before allowing the invocation to occur.
 * @see javax.management.modelmbean.ModelMBean#setAttribute
 */
@Override
public void setAttribute(Attribute attribute)
		throws AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {

	ClassLoader currentClassLoader = Thread.currentThread().getContextClassLoader();
	try {
		Thread.currentThread().setContextClassLoader(this.managedResourceClassLoader);
		super.setAttribute(attribute);
	}
	finally {
		Thread.currentThread().setContextClassLoader(currentClassLoader);
	}
}
 

/**
 * This method always fail since all MBeanServerDelegateMBean attributes
 * are read-only.
 *
 * @param attribute The identification of the attribute to
 * be set and  the value it is to be set to.
 *
 * @exception AttributeNotFoundException
 */
public void setAttribute(Attribute attribute)
    throws AttributeNotFoundException, InvalidAttributeValueException,
           MBeanException, ReflectionException {

    // Now we will always fail:
    // Either because the attribute is null or because it is not
    // accessible (or does not exist).
    //
    final String attname = (attribute==null?null:attribute.getName());
    if (attname == null) {
        final RuntimeException r =
            new IllegalArgumentException("Attribute name cannot be null");
        throw new RuntimeOperationsException(r,
            "Exception occurred trying to invoke the setter on the MBean");
    }

    // This is a hack: we call getAttribute in order to generate an
    // AttributeNotFoundException if the attribute does not exist.
    //
    Object val = getAttribute(attname);

    // If we reach this point, we know that the requested attribute
    // exists. However, since all attributes are read-only, we throw
    // an AttributeNotFoundException.
    //
    throw new AttributeNotFoundException(attname + " not accessible");
}
 

public void tableChanged(final TableModelEvent e) {
    // only post changes to the draggable column
    if (isColumnEditable(e.getColumn())) {
        final TableModel model = (TableModel)e.getSource();
        Object tableValue = model.getValueAt(e.getFirstRow(),
                                         e.getColumn());

        if (LOGGER.isLoggable(Level.FINER)) {
            LOGGER.finer("tableChanged: firstRow="+e.getFirstRow()+
                ", lastRow="+e.getLastRow()+", column="+e.getColumn()+
                ", value="+tableValue);
        }
        // if it's a String, try construct new value
        // using the defined type.
        if (tableValue instanceof String) {
            try {
                tableValue =
                    Utils.createObjectFromString(getClassName(e.getFirstRow()), // type
                    (String)tableValue);// value
            } catch (Throwable ex) {
                popupAndLog(ex,"tableChanged",
                            Messages.PROBLEM_SETTING_ATTRIBUTE);
            }
        }
        final String attributeName = getValueName(e.getFirstRow());
        final Attribute attribute =
              new Attribute(attributeName,tableValue);
        setAttribute(attribute, "tableChanged");
    }
}
 

static String getAttributesNames(AttributeList attributes) {
    return attributes != null ?
            attributes.asList().stream()
                    .map(Attribute::getName)
                    .collect(Collectors.joining(", ", "[", "]"))
            : "[]";
}
 

/**
 * Sets the values of an array of attributes of this ModelMBean.
 * Executes the setAttribute() method for each attribute in the list.
 *
 * @param attributes A list of attributes: The identification of the
 * attributes to be set and  the values they are to be set to.
 *
 * @return  The array of attributes that were set, with their new
 *    values in Attribute instances.
 *
 * @exception RuntimeOperationsException Wraps an
 *   {@link IllegalArgumentException}: The object name in parameter
 *   is null or attributes in parameter is null.
 *
 * @see #getAttributes
 **/
public AttributeList setAttributes(AttributeList attributes) {

    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                RequiredModelMBean.class.getName(),
            "setAttribute(Attribute)", "Entry");
    }

    if (attributes == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException("attributes must not be null"),
            "Exception occurred trying to set attributes of a "+
            "RequiredModelMBean");

    final AttributeList responseList = new AttributeList();

    // Go through the list of attributes
    for (Attribute attr : attributes.asList()) {
        try {
            setAttribute(attr);
            responseList.add(attr);
        } catch (Exception excep) {
            responseList.remove(attr);
        }
    }

    return responseList;
}
 

/**
 * Returns the values of several attributes in the ModelMBean.
 * Executes a getAttribute for each attribute name in the
 * attrNames array passed in.
 *
 * @param attrNames A String array of names of the attributes
 * to be retrieved.
 *
 * @return The array of the retrieved attributes.
 *
 * @exception RuntimeOperationsException Wraps an
 * {@link IllegalArgumentException}: The object name in parameter is
 * null or attributes in parameter is null.
 *
 * @see #setAttributes(javax.management.AttributeList)
 */
public AttributeList getAttributes(String[] attrNames)      {
    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
                RequiredModelMBean.class.getName(),
        "getAttributes(String[])","Entry");
    }

    if (attrNames == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException("attributeNames must not be null"),
            "Exception occurred trying to get attributes of a "+
            "RequiredModelMBean");

    AttributeList responseList = new AttributeList();
    for (int i = 0; i < attrNames.length; i++) {
        try {
            responseList.add(new Attribute(attrNames[i],
                                 getAttribute(attrNames[i])));
        } catch (Exception e) {
            // eat exceptions because interface doesn't have an
            // exception on it
            if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
                MODELMBEAN_LOGGER.logp(Level.FINER,
                        RequiredModelMBean.class.getName(),
                    "getAttributes(String[])",
                        "Failed to get \"" + attrNames[i] + "\": ", e);
            }
        }
    }

    if (MODELMBEAN_LOGGER.isLoggable(Level.FINER)) {
        MODELMBEAN_LOGGER.logp(Level.FINER,
            RequiredModelMBean.class.getName(),
                "getAttributes(String[])","Exit");
    }

    return responseList;
}
 

/**
 * 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);
}
 

@SuppressWarnings({ "rawtypes", "unchecked" })
@Test
public void testRegisterNotificationListenerWithObjectNameBeforeBeanNameMappedToSameBeanInstance() throws Exception {
	String beanName = "testBean";
	ObjectName objectName = ObjectName.getInstance("spring:name=Test");

	SelfNamingTestBean testBean = new SelfNamingTestBean();
	testBean.setObjectName(objectName);

	DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
	factory.registerSingleton(beanName, testBean);

	Map<String, Object> beans = new HashMap<>();
	beans.put(beanName, testBean);

	Map listenerMappings = new HashMap();
	CountingAttributeChangeNotificationListener listener = new CountingAttributeChangeNotificationListener();
	listenerMappings.put(objectName, listener);
	listenerMappings.put(beanName, listener);

	MBeanExporter exporter = new MBeanExporter();
	exporter.setServer(server);
	exporter.setBeans(beans);
	exporter.setNotificationListenerMappings(listenerMappings);
	exporter.setBeanFactory(factory);
	start(exporter);
	assertIsRegistered("Should have registered MBean", objectName);

	server.setAttribute(objectName, new Attribute("Age", new Integer(77)));
	assertEquals("Listener should have been notified exactly once", 1, listener.getCount("Age"));
}
 

public void tableChanged(final TableModelEvent e) {
    // only post changes to the draggable column
    if (isColumnEditable(e.getColumn())) {
        final TableModel model = (TableModel)e.getSource();
        Object tableValue = model.getValueAt(e.getFirstRow(),
                                         e.getColumn());

        if (LOGGER.isLoggable(Level.FINER)) {
            LOGGER.finer("tableChanged: firstRow="+e.getFirstRow()+
                ", lastRow="+e.getLastRow()+", column="+e.getColumn()+
                ", value="+tableValue);
        }
        // if it's a String, try construct new value
        // using the defined type.
        if (tableValue instanceof String) {
            try {
                tableValue =
                    Utils.createObjectFromString(getClassName(e.getFirstRow()), // type
                    (String)tableValue);// value
            } catch (Throwable ex) {
                popupAndLog(ex,"tableChanged",
                            Messages.PROBLEM_SETTING_ATTRIBUTE);
            }
        }
        final String attributeName = getValueName(e.getFirstRow());
        final Attribute attribute =
              new Attribute(attributeName,tableValue);
        setAttribute(attribute, "tableChanged");
    }
}
 

/**
 * Clone attribute.
 */
private Attribute cloneAttribute(Attribute attribute) {
    if (attribute != null) {
        if (!attribute.getClass().equals(Attribute.class)) {
            return new Attribute(attribute.getName(), attribute.getValue());
        }
    }
    return attribute;
}
 

@Test
public void testNotificationListenerRegistrar() throws Exception {
	ObjectName objectName = ObjectName.getInstance("spring:name=Test");
	JmxTestBean bean = new JmxTestBean();

	Map<String, Object> beans = new HashMap<>();
	beans.put(objectName.getCanonicalName(), bean);

	MBeanExporter exporter = new MBeanExporter();
	exporter.setServer(server);
	exporter.setBeans(beans);
	start(exporter);

	CountingAttributeChangeNotificationListener listener = new CountingAttributeChangeNotificationListener();

	NotificationListenerRegistrar registrar = new NotificationListenerRegistrar();
	registrar.setServer(server);
	registrar.setNotificationListener(listener);
	registrar.setMappedObjectName(objectName);
	registrar.afterPropertiesSet();

	// update the attribute
	String attributeName = "Name";
	server.setAttribute(objectName, new Attribute(attributeName, "Rob Harrop"));
	assertEquals("Listener not notified", 1, listener.getCount(attributeName));

	registrar.destroy();

	// try to update the attribute again
	server.setAttribute(objectName, new Attribute(attributeName, "Rob Harrop"));
	assertEquals("Listener notified after destruction", 1, listener.getCount(attributeName));
}