javax.management.ReflectionException Java Examples

/**
 * Gets the class for the specified class name using the specified
 * class loader
 */
public Class<?> findClass(String className, ObjectName aLoader)
    throws ReflectionException, InstanceNotFoundException  {

    if (aLoader == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException(), "Null loader passed in parameter");

    // Retrieve the class loader from the repository
    ClassLoader loader = null;
    synchronized (this) {
        loader = getClassLoader(aLoader);
    }
    if (loader == null) {
        throw new InstanceNotFoundException("The loader named " +
                   aLoader + " is not registered in the MBeanServer");
    }
    return findClass(className,loader);
}
 

public void setAttribute(Attribute attribute) throws RemoteException, InstanceNotFoundException, AttributeNotFoundException,
 InvalidAttributeValueException, MBeanException, ReflectionException, java.io.IOException{
    if(attribute.getName().equals(this.JPDA_PORT)){
        if(attribute.getValue() != null){
            setAddressValue(attribute.getValue().toString());
        }
    }else if(attribute.getName().equals(this.SHARED_MEM)){
        if(attribute.getValue() != null){
                setAddressValue(attribute.getValue().toString());
        }
    }else if(attribute.getName().equals(this.DEBUG_OPTIONS)){
        //Fix for bug# 4989322 - solaris does not support shmem
        if((attribute.getValue() != null) && (attribute.getValue().toString().indexOf(ISMEM) == -1)){
            this.conn.setAttribute(this.configObjName, attribute);
        }else{
            if(isWindows()){
                this.conn.setAttribute(this.configObjName, attribute);
            }
          //ludo  else
          //ludo      Util.setStatusBar(bundle.getString("Msg_SolarisShmem"));
        }
    }else{
        this.conn.setAttribute(this.configObjName, attribute);
    }
}
 

@Override
public Object invoke(String actionName, Object[] parms, String[] signature)
    throws MBeanException, ReflectionException {
  
  if (actionName == null || actionName.isEmpty()) 
    throw new IllegalArgumentException();
  
  
  // Right now we support only one fixed operation (if it applies)
  if (!(actionName.equals(RESET_ALL_MIN_MAX_OP)) || 
      mbeanInfo.getOperations().length != 1) {
    throw new ReflectionException(new NoSuchMethodException(actionName));
  }
  for (MetricsBase m : metricsRegistry.getMetricsList())  {
    if ( MetricsTimeVaryingRate.class.isInstance(m) ) {
      MetricsTimeVaryingRate.class.cast(m).resetMinMax();
    }
  }
  return null;
}
 

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();
    }
}
 

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);
}
 

@Override
public ObjectInstance createMBean(String className, ObjectName name, Object[] params, String[] signature)
        throws ReflectionException, InstanceAlreadyExistsException, MBeanException,
        NotCompliantMBeanException {
    params = nullAsEmpty(params);
    signature = nullAsEmpty(signature);
    Throwable error = null;
    MBeanServerPlugin delegate = null;
    final boolean readOnly = false;
    try {
        delegate = findDelegateForNewObject(name);
        authorizeMBeanOperation(delegate, name, CREATE_MBEAN, null, JmxAction.Impact.WRITE);
        return checkNotAReservedDomainRegistrationIfObjectNameWasChanged(name, delegate.createMBean(className, name, params, signature), delegate);
    } catch (Exception e) {
        error = e;
        if (e instanceof ReflectionException) throw (ReflectionException)e;
        if (e instanceof InstanceAlreadyExistsException) throw (InstanceAlreadyExistsException)e;
        if (e instanceof MBeanException) throw (MBeanException)e;
        if (e instanceof NotCompliantMBeanException) throw (NotCompliantMBeanException)e;
        throw makeRuntimeException(e);
    } finally {
        if (shouldAuditLog(delegate, readOnly)) {
            new MBeanServerAuditLogRecordFormatter(this, error, readOnly).createMBean(className, name, params, signature);
        }
    }
}
 

@Override
public Object invoke(final String actionName, final Object[] params, final String[] signature) throws MBeanException, ReflectionException {
    if (actionName.equals("stop")) {
        activationContext.stop();

    } else if (actionName.equals("start")) {
        try {
            activationContext.start();
        } catch (ResourceException e) {
            logger.error("Error invoking " + actionName + ": " + e.getMessage());
            throw new MBeanException(new IllegalStateException(e.getMessage(), e));
        }

    } else {
        throw new MBeanException(new IllegalStateException("unsupported operation: " + actionName));
    }
    return null;
}
 

/**
 * 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");
}
 

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;
}
 

void setAttribute(Object resource, String attribute, Object value,
                  Object cookie)
        throws AttributeNotFoundException,
               InvalidAttributeValueException,
               MBeanException,
               ReflectionException {

    final M cm = setters.get(attribute);
    if (cm == null) {
        final String msg;
        if (getters.containsKey(attribute))
            msg = "Read-only attribute: " + attribute;
        else
            msg = "No such attribute: " + attribute;
        throw new AttributeNotFoundException(msg);
    }
    introspector.invokeSetter(attribute, cm, resource, value, cookie);
}
 

/**
 * Gets the class for the specified class name using the specified
 * class loader
 */
public Class<?> findClass(String className, ObjectName aLoader)
    throws ReflectionException, InstanceNotFoundException  {

    if (aLoader == null)
        throw new RuntimeOperationsException(new
            IllegalArgumentException(), "Null loader passed in parameter");

    // Retrieve the class loader from the repository
    ClassLoader loader = null;
    synchronized (this) {
        loader = getClassLoader(aLoader);
    }
    if (loader == null) {
        throw new InstanceNotFoundException("The loader named " +
                   aLoader + " is not registered in the MBeanServer");
    }
    return findClass(className,loader);
}
 

/**
 * @see javax.management.MBeanServerConnection#invoke(javax.management.ObjectName, java.lang.String, java.lang.Object[], java.lang.String[])
 */
public Object invoke(final ObjectName name, final String operationName, final Object[] params,
        final String[] signature)
        throws InstanceNotFoundException, MBeanException, ReflectionException, IOException {
    if (this.subject == null) {
        return this.mbs.invoke(name, operationName, params, signature);
    }
    try {
        return Subject.doAsPrivileged(this.subject, new PrivilegedExceptionAction<Object>() {
            public final Object run() throws Exception {
                return mbs.invoke(name, operationName, params, signature);
            }
        }, this.context);
    } catch (final PrivilegedActionException pe) {
        final Exception e = JMXProviderUtils.extractException(pe);
        if (e instanceof InstanceNotFoundException)
            throw (InstanceNotFoundException) e;
        if (e instanceof MBeanException)
            throw (MBeanException) e;
        if (e instanceof ReflectionException)
            throw (ReflectionException) e;
        if (e instanceof IOException)
            throw (IOException) e;
        throw JMXProviderUtils.newIOException("Got unexpected server exception: " + e, e);
    }
}
 

/**
 * Load a class with the specified loader, or with this object
 * class loader if the specified loader is null.
 **/
static Class<?> loadClass(String className, ClassLoader loader)
    throws ReflectionException {
    Class<?> theClass;
    if (className == null) {
        throw new RuntimeOperationsException(new
            IllegalArgumentException("The class name cannot be null"),
                          "Exception occurred during object instantiation");
    }
    ReflectUtil.checkPackageAccess(className);
    try {
        if (loader == null)
            loader = MBeanInstantiator.class.getClassLoader();
        if (loader != null) {
            theClass = Class.forName(className, false, loader);
        } else {
            theClass = Class.forName(className);
        }
    } catch (ClassNotFoundException e) {
        throw new ReflectionException(e,
        "The MBean class could not be loaded");
    }
    return theClass;
}
 

public AttributeList getAttributes(ObjectName name,
        String[] attributes)
        throws InstanceNotFoundException,
        ReflectionException,
        IOException {
    if (logger.debugOn()) logger.debug("getAttributes",
            "name=" + name + ", attributes="
            + strings(attributes));

    final ClassLoader old = pushDefaultClassLoader();
    try {
        return connection.getAttributes(name,
                attributes,
                delegationSubject);

    } catch (IOException ioe) {
        communicatorAdmin.gotIOException(ioe);

        return connection.getAttributes(name,
                attributes,
                delegationSubject);
    } finally {
        popDefaultClassLoader(old);
    }
}
 

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

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
    }
}
 

public Object invoke(String actionName, Object[] params, String[] signature) throws MBeanException, ReflectionException {
   if ("exposeTag".equals(actionName)) {
      this.exposeTag(params[0].toString());
      return null;
   } else if ("removeTag".equals(actionName)) {
      return this.removeTag(params[0].toString());
   } else {
      throw new UnsupportedOperationException("Unsupported operation: " + actionName);
   }
}
 

/**
 * Set the value of a specific attribute of this MBean.
 *
 * @param attribute The identification of the attribute to be set
 *  and the new value
 *
 * @exception AttributeNotFoundException if this attribute is not
 *  supported by this MBean
 * @exception MBeanException if the initializer of an object
 *  throws an exception
 * @exception ReflectionException if a Java reflection exception
 *  occurs when invoking the getter
 */
 @Override
public void setAttribute(Attribute attribute) throws AttributeNotFoundException, MBeanException,
        ReflectionException {

    super.setAttribute(attribute);

    ContextEnvironment ce = doGetManagedResource();

    // cannot use side-effects.  It's removed and added back each time
    // there is a modification in a resource.
    NamingResources nr = ce.getNamingResources();
    nr.removeEnvironment(ce.getName());
    nr.addEnvironment(ce);
}
 

@Override
public Object getAttribute( String name )
    throws AttributeNotFoundException, MBeanException, ReflectionException
{
    UnitOfWork uow = uowf.newUnitOfWork();
    try
    {
        EntityComposite configuration = uow.get( EntityComposite.class, identity );
        AssociationStateHolder state = spi.stateOf( configuration );
        AccessibleObject accessor = propertyNames.get( name );
        Property<Object> property = state.propertyFor( accessor );
        Object object = property.get();
        if( object instanceof Enum )
        {
            object = object.toString();
        }
        return object;
    }
    catch( Exception ex )
    {
        throw new ReflectionException( ex, "Could not get attribute " + name );
    }
    finally
    {
        uow.discard();
    }
}
 

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;
}
 

/**
 * Call <code>checkRead()</code>, then forward this method to the
 * wrapped object.
 */
public MBeanInfo getMBeanInfo(ObjectName name)
    throws
    InstanceNotFoundException,
    IntrospectionException,
    ReflectionException {
    checkRead();
    return getMBeanServer().getMBeanInfo(name);
}
 

/**
 * 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);
}
 

/**

     * @param mBean Ignite snapshot MBean.
     * @return Value of snapshot end time.
     */
    private static long getLastSnapshotEndTime(DynamicMBean mBean) {
        try {
            return (long)mBean.getAttribute("LastSnapshotEndTime");
        }
        catch (MBeanException | ReflectionException | AttributeNotFoundException e) {
            throw new RuntimeException(e);
        }
    }
 

/**
 * Call <code>checkWrite()</code>, then forward this method to the
 * wrapped object.
 */
public AttributeList setAttributes(ObjectName name,
                                   AttributeList attributes)
    throws InstanceNotFoundException, ReflectionException {
    checkWrite();
    return getMBeanServer().setAttributes(name, attributes);
}
 

/**
 * Call <code>checkWrite()</code>, then forward this method to the
 * wrapped object.
 */
public Object invoke(ObjectName name, String operationName,
                     Object params[], String signature[])
    throws
    InstanceNotFoundException,
    MBeanException,
    ReflectionException {
    checkWrite();
    checkMLetMethods(name, operationName);
    return getMBeanServer().invoke(name, operationName, params, signature);
}
 

@Override
public Object invoke(final String actionName, final Object[] params, final String[] signature) throws MBeanException, ReflectionException {
    if (hosts.contains(actionName)) {
        return ping(actionName);
    } else if (PING.equals(actionName) && params != null && params.length == 1) {
        return ping((String) params[0]);
    }
    throw new MBeanException(new IllegalArgumentException(), actionName + " doesn't exist");
}
 

/**
 * 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);
}
 

private void validateTableIntAttr(String tableName, MBeanServerConnection mBeanServer, ObjectName name, Attribute attribute, Number value) throws AttributeNotFoundException, InstanceNotFoundException, MBeanException, ReflectionException, IOException {
  int actual = ((Integer)mBeanServer.getAttribute(name, attribute.getName())).intValue();
 
  if(actual - value.intValue() < 0) {
    saveError(attribute.getName() + " attribute did not match for " + tableName + " where expected = " + value + " and actuals : " + actual);
  } else {
    Log.getLogWriter().info(attribute.getName() + " attribute match for " + tableName + " where expected = " + value + " and actuals : " + actual);
  }
}
 

/**
 * Call <code>checkRead()</code>, then forward this method to the
 * wrapped object.
 */
@Deprecated
public ObjectInputStream deserialize(String className, byte[] data)
    throws OperationsException, ReflectionException {
    checkRead();
    return getMBeanServer().deserialize(className, data);
}
 

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

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

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