Because the nsm element is in the "network:config:nsm" namespace, you need
to specify that in your XPath. Something like this:
XPath xpath = new
JDOMXPath("/network/service[@id='bumble']/n:nsm/n:filter/n:max_size");
SimpleNamespaceContext nsContext = new SimpleNamespaceContext();
nsContext.addNamespace( "n","network:config:nsm");
xpath.setNamespaceContext(nsContext);
The prefix can be anything you want - and it obviously doesn't have to be
the same prefix as in the original document - but it does have to be there.
If an element is namespaced, even if it is the default namespace, XPath
requires that it be declared and prefixed.
David
----- Original Message -----
From: "Mark Cantrell" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Cc: <[EMAIL PROTECTED]>
Sent: Saturday, November 16, 2002 12:30 AM
Subject: [Jaxen] xpath expression for jdom
> Hello,
> I'm using jdom with jaxen and have a bit of xml which doesn't return any
> nodes when I apply an xpath statement
>
> here's the bit of xml
> <network>
> <service id="bumble">
> <host>localhost</host>
> <nsm xmlns="network:config:nsm">
> <filter>
> <default/>
> <max_size>100</max_size>
> </filter>
> </nsm>
> </service>
> </network>
>
> here's the faulty xpath expression
> "/network/service[@id='bumble']/nsm/filter/max_size"
>
> I would have expected this would return '100', however there is nothing.
> I'm not sure if it's my bad xpath or xml, or if there is something else
> going on with the xmlns namespace attribute.
>
> please advice
> --mark
>
>
>
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