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org.apache.openejb.monitoring.LocalMBeanServer Maven / Gradle / Ivy
/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.openejb.monitoring;
import javax.management.*;
import javax.management.loading.ClassLoaderRepository;
import java.io.ObjectInputStream;
import java.lang.management.ManagementFactory;
import java.util.Set;
public class LocalMBeanServer implements MBeanServer {
public static final String OPENEJB_JMX_ACTIVE = "openejb.jmx.active";
private static final LocalMBeanServer INSTANCE = new LocalMBeanServer();
private LocalMBeanServer() {
// no-op
}
public static MBeanServer get() {
return INSTANCE;
}
private static boolean isJMXActive() {
return "true".equalsIgnoreCase(System.getProperty(OPENEJB_JMX_ACTIVE, "true"));
}
private static MBeanServer s() {
if (isJMXActive()) {
return ManagementFactory.getPlatformMBeanServer();
}
return NoOpMBeanServer.INSTANCE;
}
@Override
public ObjectInstance createMBean(String className, ObjectName name) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException {
return s().createMBean(className, name);
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException {
return s().createMBean(className, name, loaderName);
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException {
return s().createMBean(className, name, params, signature);
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException {
return s().createMBean(className, name, loaderName, params, signature);
}
@Override
public ObjectInstance registerMBean(Object object, ObjectName name) throws InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException {
return s().registerMBean(object, name);
}
@Override
public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException {
s().unregisterMBean(name);
}
@Override
public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException {
return s().getObjectInstance(name);
}
@Override
public Set queryMBeans(ObjectName name, QueryExp query) {
return queryMBeans(name, query);
}
@Override
public Set queryNames(ObjectName name, QueryExp query) {
return s().queryNames(name, query);
}
@Override
public boolean isRegistered(ObjectName name) {
return s().isRegistered(name);
}
@Override
public Integer getMBeanCount() {
return s().getMBeanCount();
}
@Override
public Object getAttribute(ObjectName name, String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException {
return s().getAttribute(name, attribute);
}
@Override
public AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException {
return s().getAttributes(name, attributes);
}
@Override
public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {
s().setAttribute(name, attribute);
}
@Override
public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException {
return s().setAttributes(name, attributes);
}
@Override
public Object invoke(ObjectName name, String operationName, Object[] params, String[] signature) throws InstanceNotFoundException, MBeanException, ReflectionException {
return s().invoke(name, operationName, params, signature);
}
@Override
public String getDefaultDomain() {
return s().getDefaultDomain();
}
@Override
public String[] getDomains() {
return s().getDomains();
}
@Override
public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException {
s().addNotificationListener(name, listener, filter, handback);
}
@Override
public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException {
s().addNotificationListener(name, listener, filter, handback);
}
@Override
public void removeNotificationListener(ObjectName name, ObjectName listener) throws InstanceNotFoundException, ListenerNotFoundException {
s().removeNotificationListener(name, listener);
}
@Override
public void removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
s().removeNotificationListener(name, listener, filter, handback);
}
@Override
public void removeNotificationListener(ObjectName name, NotificationListener listener) throws InstanceNotFoundException, ListenerNotFoundException {
s().removeNotificationListener(name, listener);
}
@Override
public void removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
s().removeNotificationListener(name, listener, filter, handback);
}
@Override
public MBeanInfo getMBeanInfo(ObjectName name) throws InstanceNotFoundException, IntrospectionException, ReflectionException {
return s().getMBeanInfo(name);
}
@Override
public boolean isInstanceOf(ObjectName name, String className) throws InstanceNotFoundException {
return s().isInstanceOf(name, className);
}
@Override
public Object instantiate(String className) throws ReflectionException, MBeanException {
return s().instantiate(className);
}
@Override
public Object instantiate(String className, ObjectName loaderName) throws ReflectionException, MBeanException, InstanceNotFoundException {
return s().instantiate(className, loaderName);
}
@Override
public Object instantiate(String className, Object[] params, String[] signature) throws ReflectionException, MBeanException {
return s().instantiate(className, params, signature);
}
@Override
public Object instantiate(String className, ObjectName loaderName, Object[] params, String[] signature) throws ReflectionException, MBeanException, InstanceNotFoundException {
return s().instantiate(className, loaderName, params, signature);
}
@Override
public ObjectInputStream deserialize(ObjectName name, byte[] data) throws InstanceNotFoundException, OperationsException {
return s().deserialize(name, data);
}
@Override
public ObjectInputStream deserialize(String className, byte[] data) throws OperationsException, ReflectionException {
return s().deserialize(className, data);
}
@Override
public ObjectInputStream deserialize(String className, ObjectName loaderName, byte[] data) throws InstanceNotFoundException, OperationsException, ReflectionException {
return s().deserialize(className, loaderName, data);
}
@Override
public ClassLoader getClassLoaderFor(ObjectName mbeanName) throws InstanceNotFoundException {
return s().getClassLoaderFor(mbeanName);
}
@Override
public ClassLoader getClassLoader(ObjectName loaderName) throws InstanceNotFoundException {
return s().getClassLoader(loaderName);
}
@Override
public ClassLoaderRepository getClassLoaderRepository() {
return s().getClassLoaderRepository();
}
private static class NoOpMBeanServer implements MBeanServer{
public static final MBeanServer INSTANCE = new NoOpMBeanServer();
private static final String[] DEFAULT_DOMAINS = new String[]{ "default-domain" };
@Override
public ObjectInstance createMBean(String className, ObjectName name) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException {
return null;
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException {
return null;
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException {
return null;
}
@Override
public ObjectInstance createMBean(String className, ObjectName name, ObjectName loaderName, Object[] params, String[] signature) throws ReflectionException, InstanceAlreadyExistsException, MBeanRegistrationException, MBeanException, NotCompliantMBeanException, InstanceNotFoundException {
return null;
}
@Override
public ObjectInstance registerMBean(Object object, ObjectName name) throws InstanceAlreadyExistsException, MBeanRegistrationException, NotCompliantMBeanException {
return null;
}
@Override
public void unregisterMBean(ObjectName name) throws InstanceNotFoundException, MBeanRegistrationException {
// no-op
}
@Override
public ObjectInstance getObjectInstance(ObjectName name) throws InstanceNotFoundException {
return null;
}
@Override
public Set queryMBeans(ObjectName name, QueryExp query) {
return null;
}
@Override
public Set queryNames(ObjectName name, QueryExp query) {
return null;
}
@Override
public boolean isRegistered(ObjectName name) {
return false;
}
@Override
public Integer getMBeanCount() {
return 0;
}
@Override
public Object getAttribute(ObjectName name, String attribute) throws MBeanException, AttributeNotFoundException, InstanceNotFoundException, ReflectionException {
return null;
}
@Override
public AttributeList getAttributes(ObjectName name, String[] attributes) throws InstanceNotFoundException, ReflectionException {
return new AttributeList();
}
@Override
public void setAttribute(ObjectName name, Attribute attribute) throws InstanceNotFoundException, AttributeNotFoundException, InvalidAttributeValueException, MBeanException, ReflectionException {
// no-op
}
@Override
public AttributeList setAttributes(ObjectName name, AttributeList attributes) throws InstanceNotFoundException, ReflectionException {
return new AttributeList();
}
@Override
public Object invoke(ObjectName name, String operationName, Object[] params, String[] signature) throws InstanceNotFoundException, MBeanException, ReflectionException {
return null;
}
@Override
public String getDefaultDomain() {
return DEFAULT_DOMAINS[0];
}
@Override
public String[] getDomains() {
return DEFAULT_DOMAINS;
}
@Override
public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException {
// no-op
}
@Override
public void addNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException {
// no-op
}
@Override
public void removeNotificationListener(ObjectName name, ObjectName listener) throws InstanceNotFoundException, ListenerNotFoundException {
// no-op
}
@Override
public void removeNotificationListener(ObjectName name, ObjectName listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
// no-op
}
@Override
public void removeNotificationListener(ObjectName name, NotificationListener listener) throws InstanceNotFoundException, ListenerNotFoundException {
// no-op
}
@Override
public void removeNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback) throws InstanceNotFoundException, ListenerNotFoundException {
// no-op
}
@Override
public MBeanInfo getMBeanInfo(ObjectName name) throws InstanceNotFoundException, IntrospectionException, ReflectionException {
return null;
}
@Override
public boolean isInstanceOf(ObjectName name, String className) throws InstanceNotFoundException {
return false;
}
@Override
public Object instantiate(String className) throws ReflectionException, MBeanException {
return null;
}
@Override
public Object instantiate(String className, ObjectName loaderName) throws ReflectionException, MBeanException, InstanceNotFoundException {
return null;
}
@Override
public Object instantiate(String className, Object[] params, String[] signature) throws ReflectionException, MBeanException {
return null;
}
@Override
public Object instantiate(String className, ObjectName loaderName, Object[] params, String[] signature) throws ReflectionException, MBeanException, InstanceNotFoundException {
return null;
}
@Override
public ObjectInputStream deserialize(ObjectName name, byte[] data) throws InstanceNotFoundException, OperationsException {
return null;
}
@Override
public ObjectInputStream deserialize(String className, byte[] data) throws OperationsException, ReflectionException {
return null;
}
@Override
public ObjectInputStream deserialize(String className, ObjectName loaderName, byte[] data) throws InstanceNotFoundException, OperationsException, ReflectionException {
return null;
}
@Override
public ClassLoader getClassLoaderFor(ObjectName mbeanName) throws InstanceNotFoundException {
return null;
}
@Override
public ClassLoader getClassLoader(ObjectName loaderName) throws InstanceNotFoundException {
return null;
}
@Override
public ClassLoaderRepository getClassLoaderRepository() {
return null;
}
}
}
