Getting the SystemID from DocType

David Brownell david-b at
Thu Oct 7 05:35:48 BST 1999

"Goyal, Sanjeev" wrote:
> My question is, why the getSystemId() API returns NULL ?  But the systemId
> along with DOCTYPE declaration is generated during writing XML back from
> XmlDocument object.

You seem to be confused about what the getSystemId() call does.

It returns the system ID for the document itself ... not one for
the external subset or any other parameter entity in the DTD.
That's clearly documented.

> Also if I invoke getDoctype(), it return DocumentType object which doesn't
> have enough public method to get the system id for the DocType of this
> XmlDocument.

I suggest you look at the source code and you'll see what's going on.
That's a big part of why it's provided.

- Dave

> Any pointers will be highly appreciated.
> Thanks,
> Sanjeev

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