DefaultMBeanServerInterceptor.java 文件源码

/**
 * Gets a specific MBean controlled by the DefaultMBeanServerInterceptor.
 * The name must have a non-default domain.
 */
private DynamicMBean getMBean(ObjectName name)
    throws InstanceNotFoundException {

    if (name == null) {
        throw new RuntimeOperationsException(new
            IllegalArgumentException("Object name cannot be null"),
                           "Exception occurred trying to get an MBean");
    }
    DynamicMBean obj = repository.retrieve(name);
    if (obj == null) {
        if (MBEANSERVER_LOGGER.isLoggable(Level.FINER)) {
            MBEANSERVER_LOGGER.logp(Level.FINER,
                    DefaultMBeanServerInterceptor.class.getName(),
                    "getMBean", name + " : Found no object");
        }
        throw new InstanceNotFoundException(name.toString());
    }
    return obj;
}