001    /*
002     * Licensed to the Apache Software Foundation (ASF) under one or more
003     * contributor license agreements.  See the NOTICE file distributed with
004     * this work for additional information regarding copyright ownership.
005     * The ASF licenses this file to You under the Apache License, Version 2.0
006     * (the "License"); you may not use this file except in compliance with
007     * the License.  You may obtain a copy of the License at
008     *
009     *      http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    package org.apache.servicemix.jbi.management;
018    
019    import java.util.concurrent.ExecutorService;
020    
021    import javax.management.DynamicMBean;
022    import javax.management.JMException;
023    import javax.management.StandardMBean;
024    
025    /**
026     * Builds a DynamicMBean wrappers for existing objects
027     * 
028     * @version $Revision: 564607 $
029     */
030    public final class MBeanBuilder {
031        
032        private MBeanBuilder() {
033        }
034    
035        /**
036         * Build an MBean
037         * 
038         * @param theObject
039         * @param interfaceMBean
040         * @param description
041         * @param executorService 
042         * @return the MBean wrapper
043         * @throws JMException
044         */
045        static DynamicMBean buildStandardMBean(Object theObject, Class interfaceMBean, 
046                                               String description, ExecutorService executorService) throws JMException {
047            DynamicMBean result = null;
048            if (theObject != null) {
049                if (theObject instanceof MBeanInfoProvider) {
050                    MBeanInfoProvider info = (MBeanInfoProvider) theObject;
051                    result = new BaseStandardMBean(
052                            info.getObjectToManage(),
053                            interfaceMBean, 
054                            description, 
055                            info.getAttributeInfos(), 
056                            info.getOperationInfos(),
057                            executorService);
058                    info.setPropertyChangeListener((BaseStandardMBean)result);
059                } else {
060                    return new StandardMBean(theObject, interfaceMBean);
061                }
062            }
063            return result;
064        }
065    }