| /* |
| * Copyright (C) MX4J. |
| * All rights reserved. |
| * |
| * This software is distributed under the terms of the MX4J License version 1.0. |
| * See the terms of the MX4J License in the documentation provided with this software. |
| */ |
| /* |
| * Copyright 2005 The Apache Software Foundation |
| * |
| * Licensed 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.felix.mosgi.jmx.agent.mx4j.server.interceptor; |
| |
| import java.util.List; |
| |
| import javax.management.Attribute; |
| import javax.management.AttributeList; |
| import javax.management.AttributeNotFoundException; |
| import javax.management.InvalidAttributeValueException; |
| import javax.management.ListenerNotFoundException; |
| import javax.management.MBeanException; |
| import javax.management.MBeanInfo; |
| import javax.management.MBeanRegistrationException; |
| import javax.management.NotificationFilter; |
| import javax.management.NotificationListener; |
| import javax.management.ReflectionException; |
| |
| import org.apache.felix.mosgi.jmx.agent.mx4j.log.Log; |
| import org.apache.felix.mosgi.jmx.agent.mx4j.log.Logger; |
| import org.apache.felix.mosgi.jmx.agent.mx4j.server.MBeanMetaData; |
| |
| /** |
| * Base class for MBeanServer --> MBean interceptors. |
| * |
| * @author <a href="mailto:biorn_steedom@users.sourceforge.net">Simone Bordet</a> |
| * @version $Revision: 1.2 $ |
| */ |
| public abstract class DefaultMBeanServerInterceptor implements MBeanServerInterceptor, DefaultMBeanServerInterceptorMBean |
| { |
| private boolean enabled = true; |
| private String logCategory; |
| private List chain; |
| |
| protected DefaultMBeanServerInterceptor() |
| { |
| // It's amazing how setting up here this string dramatically reduces the times to get the Logger instance |
| logCategory = getClass().getName() + "." + getType(); |
| } |
| |
| /** |
| * Returns whether this interceptor is enabled |
| * @see #setEnabled |
| */ |
| public boolean isEnabled() |
| { |
| return enabled; |
| } |
| |
| /** |
| * Enables or disables this interceptor |
| * @see #isEnabled |
| */ |
| public void setEnabled(boolean enabled) |
| { |
| this.enabled = enabled; |
| } |
| |
| /** |
| * Returns the type of this interceptor |
| */ |
| public abstract String getType(); |
| |
| protected synchronized MBeanServerInterceptor getNext() |
| { |
| int index = chain.indexOf(this); |
| MBeanServerInterceptor next = (MBeanServerInterceptor)chain.get(index + 1); |
| next.setChain(chain); |
| return next; |
| } |
| |
| public synchronized void setChain(List chain) |
| { |
| this.chain = chain; |
| } |
| |
| protected Logger getLogger() |
| { |
| return Log.getLogger(logCategory); |
| } |
| |
| public void addNotificationListener(MBeanMetaData metadata, NotificationListener listener, NotificationFilter filter, Object handback) |
| { |
| getNext().addNotificationListener(metadata, listener, filter, handback); |
| } |
| |
| public void removeNotificationListener(MBeanMetaData metadata, NotificationListener listener) throws ListenerNotFoundException |
| { |
| getNext().removeNotificationListener(metadata, listener); |
| } |
| |
| public void removeNotificationListener(MBeanMetaData metadata, NotificationListener listener, NotificationFilter filter, Object handback) throws ListenerNotFoundException |
| { |
| getNext().removeNotificationListener(metadata, listener, filter, handback); |
| } |
| |
| public void instantiate(MBeanMetaData metadata, String className, String[] params, Object[] args) throws ReflectionException, MBeanException |
| { |
| getNext().instantiate(metadata, className, params, args); |
| } |
| |
| public void registration(MBeanMetaData metadata, int operation) throws MBeanRegistrationException |
| { |
| getNext().registration(metadata, operation); |
| } |
| |
| public MBeanInfo getMBeanInfo(MBeanMetaData metadata) |
| { |
| return getNext().getMBeanInfo(metadata); |
| } |
| |
| public Object invoke(MBeanMetaData metadata, String method, String[] params, Object[] args) throws MBeanException, ReflectionException |
| { |
| return getNext().invoke(metadata, method, params, args); |
| } |
| |
| public AttributeList getAttributes(MBeanMetaData metadata, String[] attributes) |
| { |
| return getNext().getAttributes(metadata, attributes); |
| } |
| |
| public AttributeList setAttributes(MBeanMetaData metadata, AttributeList attributes) |
| { |
| return getNext().setAttributes(metadata, attributes); |
| } |
| |
| public Object getAttribute(MBeanMetaData metadata, String attribute) throws MBeanException, AttributeNotFoundException, ReflectionException |
| { |
| return getNext().getAttribute(metadata, attribute); |
| } |
| |
| public void setAttribute(MBeanMetaData metadata, Attribute attribute) throws MBeanException, AttributeNotFoundException, InvalidAttributeValueException, ReflectionException |
| { |
| getNext().setAttribute(metadata, attribute); |
| } |
| } |