[jdom-interest] How to optimize xpath in jdom

Anshul Saxena anshulacxiom at gmail.com
Thu Dec 7 07:53:59 PST 2006

Hi Deepa,
Perhaps you can use this:

import org.jdom.xpath.XPath
XPath xp = XPath.newInstance("/Root/Parent/Child[name=\"abc\"]/GrandChild");
xp.selectSingleNode(); or xp.valueOf();

Depends on what you want as output.

Note : you will have to include : jaxen-jdom.jar , saxpath.jar &
jaxen-core.jar in addition to jdom.jar which you may have already added

On 12/7/06, Deepa Chandrashekaraiah (RBIN/EDM2) <
Deepa.Chandrashekaraiah at in.bosch.com> wrote:
>  Hello,
> I am using Xpath available in jdom. The xml file is of 9MB size. It is
> taking a lot of time to query a simple xpath like:
> /Root/Parent/Child[name="abc"]/GrandChild
> I am trying to get the value of the "GrandChild" element in the following
> way:
> ((Element)org.jdom.xpath.XPath.selectSingleNode(xml_Document,
> xpath_expression)).getValue();
> There are many "Child" elements in my huge xml file of 9MB size. Please
> let me know to optimize the xpath expression or any other workarounds.
> Thanks in advance.
> Regards,
> Chandra
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