code: public static Method getReadMethodOptional(
          Class<?> beanClass, String propertyName)
      {
          PropertyDescriptor propertyDescriptor =
              getPropertyDescriptorOptional(beanClass, propertyName);
          if (propertyDescriptor == null)
          {
              return null;
          }
          return propertyDescriptor.getReadMethod();
      }
docs: Returns the read method for the property with the given name in the
  given bean class.
  
  @param beanClass The bean class
  @param propertyName The property name
  @return The read method for the property, or <code>null</code>
  if no appropriate read method is found.