On Thu, 19 Sep 2002, Mark Hortman wrote:
> We are doing development using Jaxen, and while we find it fast, I had some
> thoughts that I would like to share.
> We do a lot of construction of dynamic xpath statements, and a colleague and
> I got to thinking how cool it would be if jaxen supportd a JDBC like
> PreparedStatement concept. This would allow me to say
>
> XPath xpath = new XPath("//girls/molecules[@id=?]");
> xpath.setString(1,"ChemicalX");
>
> We want this because the call to XPath constructor seems to be very
> expensive.
>
> Any thoughts on this feature?
Yah, check out VariableContext.
XPath xpath = new XPath("//girls/molecules[@id=$id]");
Then, you just have to give it a VariableContext to resolve $id against.
This is part of the XPath specification.
-bob
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