src/org/objectweb/cjdbc/controller/jmx/AbstractStandardMBean.java

説明を見る。

package org.objectweb.cjdbc.controller.jmx;

import javax.management.ListenerNotFoundException;
import javax.management.MBeanAttributeInfo;
import javax.management.MBeanConstructorInfo;
import javax.management.MBeanInfo;
import javax.management.MBeanNotificationInfo;
import javax.management.MBeanOperationInfo;
import javax.management.MBeanParameterInfo;
import javax.management.NotCompliantMBeanException;
import javax.management.Notification;
import javax.management.NotificationBroadcasterSupport;
import javax.management.NotificationEmitter;
import javax.management.NotificationFilter;
import javax.management.NotificationListener;
import javax.management.StandardMBean;

import org.objectweb.cjdbc.common.i18n.JmxTranslate;

public abstract class AbstractStandardMBean extends StandardMBean
    implements
      NotificationEmitter
{

  private NotificationBroadcasterSupport broadcaster;

  public void addNotificationListener(NotificationListener listener,
      NotificationFilter filter, Object handback)
  {
    broadcaster.addNotificationListener(listener, filter, handback);
  }

  public MBeanNotificationInfo[] getNotificationInfo()
  {
    // is the broadcaster already initialized ?
    if (broadcaster == null)
      // no we return empty array
      return new MBeanNotificationInfo[0];

    return broadcaster.getNotificationInfo();
  }

  public void removeNotificationListener(NotificationListener listener)
      throws ListenerNotFoundException
  {
    broadcaster.removeNotificationListener(listener);
  }

  public void removeNotificationListener(NotificationListener listener,
      NotificationFilter filter, Object handback)
      throws ListenerNotFoundException
  {
    broadcaster.removeNotificationListener(listener, filter, handback);
  }

  public void sendNotification(Notification notification)
  {
    broadcaster.sendNotification(notification);
  }

  /*****************************************************************************
   * StandardMBean methods
   ****************************************************************************/

  public AbstractStandardMBean(Class mbeanInterface)
      throws NotCompliantMBeanException
  {
    super(mbeanInterface);
    broadcaster = new NotificationBroadcasterSupport();
  }

  public abstract String getAssociatedString();

  protected String getDescription(MBeanInfo info)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + ".description");
  }

  protected String getDescription(MBeanConstructorInfo ctor)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + ".constructor."
        + ctor.getSignature().length);
  }

  protected String getParameterName(MBeanConstructorInfo ctor,
      MBeanParameterInfo param, int sequence)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + ".constructor."
        + ctor.getSignature().length + ".parameter.name." + sequence);
  }

  protected String getDescription(MBeanConstructorInfo ctor,
      MBeanParameterInfo param, int sequence)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + ".constructor."
        + ctor.getSignature().length + ".parameter.description." + sequence);
  }

  protected String getDescription(MBeanAttributeInfo info)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + ".attribute."
        + info.getName());
  }

  protected String getDescription(MBeanOperationInfo info)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + "."
        + info.getName());
  }

  protected String getParameterName(MBeanOperationInfo op,
      MBeanParameterInfo param, int sequence)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + "."
        + op.getName() + ".parameter.name." + sequence);
  }

  protected String getDescription(MBeanOperationInfo op,
      MBeanParameterInfo param, int sequence)
  {
    return JmxTranslate.get("mbean." + getAssociatedString() + "."
        + op.getName() + ".parameter.description." + sequence);
  }
}

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