JavaIntrospector.java 文件源码

@Override
public BeanDescriptor getBeanDescriptor()
{
  if (_beanDescriptor == null)
  {
    if (_introspector != null)
    {
      try
      {
        _beanDescriptor = _introspector.__getTargetBeanDescriptor();
      }
      catch (IntrospectionException e)
      {
        // do nothing
        ;
      }
    }
    else
    {
      _beanDescriptor =
                     _cloneBeanDescriptor(_oldBeanInfo.getBeanDescriptor());
    }
  }

  return _beanDescriptor;
}