MBeanServerDelegateImpl.java 文件源码

/**
 * Always fails since the MBeanServerDelegate MBean has no operation.
 *
 * @param actionName The name of the action to be invoked.
 * @param params An array containing the parameters to be set when the
 *        action is invoked.
 * @param signature An array containing the signature of the action.
 *
 * @return  The object returned by the action, which represents
 *          the result of invoking the action on the MBean specified.
 *
 * @exception MBeanException  Wraps a <CODE>java.lang.Exception</CODE>
 *         thrown by the MBean's invoked method.
 * @exception ReflectionException  Wraps a
 *      <CODE>java.lang.Exception</CODE> thrown while trying to invoke
 *      the method.
 */
public Object invoke(String actionName, Object params[],
                     String signature[])
    throws MBeanException, ReflectionException {
    // Check that operation name is not null.
    //
    if (actionName == null) {
        final RuntimeException r =
          new IllegalArgumentException("Operation name  cannot be null");
        throw new RuntimeOperationsException(r,
        "Exception occurred trying to invoke the operation on the MBean");
    }

    throw new ReflectionException(
                      new NoSuchMethodException(actionName),
                      "The operation with name " + actionName +
                      " could not be found");
}