Re: [jibx-users] Unmarshall on an existing object

[Tudor O. <tol...@so...>]

Since "null" is also a possible value for some fields, I can't assume 
that null values are corresponding to missing fields.

So what I need is a way to know if an optional field was/wasn't present 
in xml.

Thomas Jones-Low wrote:
> 	Using a existing object will require the use of the Factory attribute 
> for the binding. This is a static method which returns the instance to 
> be worked on.
>
> 	The original values to be kept will need a set-method rather than the 
> default setter, to check for the null value and not update them.
>
>