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    1   /***
    2    * @(#)ManageableServiceContainer.java
    3    *
    4    * JFoxSOAF, Service-Oriented Application Framework
    5    *
    6    * Copyright(c) JFoxSOAF Team
    7    *
    8    * Licensed under the GNU LGPL, Version 2.1 (the "License");
    9    * you may not use this file except in compliance with the License.
    10   * You may obtain a copy of the License at
    11   *
    12   * http://www.gnu.org/copyleft/lesser.html
    13   *
    14   * Unless required by applicable law or agreed to in writing, software
    15   * distributed under the License is distributed on an "AS IS" BASIS,
    16   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    17   * See the License for the specific language governing permissions and
    18   * limitations under the License.
    19   *
    20   * For more information, please visit:
    21   * http://www.jfox.cn/confluence/display/JFoxSOAF/Home
    22   * http://www.huihoo.org/jfox/jfoxsoaf
    23   */
    24
    25  package org.huihoo.jfox.soaf.container;
    26
    27  import javax.management.MBeanServer;
    28  import javax.management.MBeanServerFactory;
    29  import javax.management.MalformedObjectNameException;
    30  import javax.management.ObjectName;
    31
    32  import org.apache.commons.lang.StringUtils;
    33
    34  /***
    35   * <p>
    36   * The manageable service container is a wrapper container on the top of
    37   * ServiceContainer and MBeanServer. It's a manageable Inversion of Control
    38   * (IoC) container which service can be managed by JMX.
    39   * </p>
    40   *
    41   * @author <a href="mailto:founder_chen@yahoo.com.cn">Peter Cheng </a>
    42   * @version $Revision: 1.8 $ $Date: 2005/01/17 13:29:59 $
    43   * @version Revision: 1.0
    44   */
    45
    46  public class ManageableServiceContainer {
    47
    48      private static ManageableServiceContainer manageableServiceContainer;
    49
    50      private ServiceContainer serviceContainer = ServiceContainer.getInstance();
    51
    52      private final MBeanServer mBeanServer = MBeanServerFactory
    53              .createMBeanServer("jfoxsoafmx");
    54
    55      public static ManageableServiceContainer getInstance() {
    56          if (manageableServiceContainer == null) {
    57              manageableServiceContainer = new ManageableServiceContainer();
    58          }
    59          return manageableServiceContainer;
    60      }
    61
    62      /***
    63       * Regist managable service.
    64       *
    65       * @param serviceInstance
    66       * @param serviceEntry
    67       * @throws Throwable
    68       */
    69      public void registManagebleService(Object serviceInstance,
    70              ServiceEntry serviceEntry) throws Throwable {
    71          if (StringUtils.isEmpty(serviceEntry.getId())) {
    72              mBeanServer
    73                      .registerMBean(serviceInstance, objectName(serviceEntry));
    74              serviceContainer.registerServiceInstance(serviceInstance);
    75          } else {
    76              registManagebleService(serviceEntry.getId(), serviceInstance,
    77                      serviceEntry);
    78          }
    79      }
    80
    81      /***
    82       * Regist manageable service with service id.
    83       *
    84       * @param serviceKey
    85       * @param serviceInstance
    86       * @param serviceEntry
    87       * @throws Throwable
    88       */
    89      private void registManagebleService(Object serviceKey,
    90              Object serviceInstance, ServiceEntry serviceEntry) throws Throwable {
    91          mBeanServer.registerMBean(serviceInstance, objectName(serviceEntry));
    92          serviceContainer.registerServiceInstance(serviceKey, serviceInstance);
    93      }
    94
    95      /***
    96       * Get an MBeanServer instance.
    97       *
    98       * @return MBeanServer
    99       */
    100     public MBeanServer getMBeanServer() {
    101         return this.mBeanServer;
    102     }
    103
    104     /***
    105      * Convert object string to ObjectName.
    106      *
    107      * @param serviceEntry
    108      * @return
    109      * @throws MalformedObjectNameException
    110      */
    111     public ObjectName objectName(ServiceEntry serviceEntry)
    112             throws MalformedObjectNameException {
    113         if (!StringUtils.isEmpty(serviceEntry.getId())) {
    114             return new ObjectName(mBeanServer.getDefaultDomain() + ":type="
    115                     + serviceEntry.getId());
    116         } else {
    117             return new ObjectName(mBeanServer.getDefaultDomain() + ":type="
    118                     + serviceEntry.getImplementation());
    119         }
    120     }
    121
    122 }