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Posted to dev@xalan.apache.org by Christian Geuer-Pollmann <ma...@nue.et-inf.uni-siegen.de> on 2001/02/28 14:55:20 UTC

How do I get a NodeList using an XPath ?

Hi,

I'm looking for a way to let an XPath String select nodes from a document 
and returning me a NodeList. Maybe I'm too complicated, but the only way I 
saw was the function

org.apache.xpath.XPathAPI.selectNodeList()

but it doen't work, because XObject.nodeset() always returns an error. Is 
there an easier way than the below one?

Thanks in advance,

Christian

---------------

String xpath = new String("(//. | //@* | //namespace::*)");
InputSource in = new InputSource(new FileInputStream(filename));
DocumentBuilderFactory dfactory = DocumentBuilderFactory.newInstance();
Document doc = dfactory.newDocumentBuilder().parse(in);

NodeList nl = XPathAPI.selectNodeList(doc.getDocumentElement(),
                       xpath, doc.getDocumentElement());

for (int i=0; i<nl.getLength(); i++) {
   Node n = nl.item(i);

   System.out.println(n.getNodeName());
}

---------------

Re: How do I get a NodeList using an XPath ?

Posted by Christian Geuer-Pollmann <ma...@nue.et-inf.uni-siegen.de>.
Dear Gary

--On Mittwoch, 28. Februar 2001 08:34 -0800 Gary L Peskin 
<ga...@firstech.com> wrote:

>> I saw was the function
>> org.apache.xpath.XPathAPI.selectNodeList()
>> but it doen't work, because XObject.nodeset() always returns an error. Is
>> there an easier way than the below one?
>>
> I'm not sure where your error is.  Do you have the same problem
> described here:
>
> http://nagoya.apache.org/bugzilla/show_bug.cgi?id=702

Yes, that was the solution. Thank you.


Christian

Re: How do I get a NodeList using an XPath ?

Posted by Gary L Peskin <ga...@firstech.com>.
Christian Geuer-Pollmann wrote:
> 
> Hi,
> 
> I'm looking for a way to let an XPath String select nodes from a document
> and returning me a NodeList. Maybe I'm too complicated, but the only way I
> saw was the function
> 
> org.apache.xpath.XPathAPI.selectNodeList()
> 
> but it doen't work, because XObject.nodeset() always returns an error. Is
> there an easier way than the below one?
> 
> Thanks in advance,

Christian --

I'm not sure where your error is.  Do you have the same problem
described here:

http://nagoya.apache.org/bugzilla/show_bug.cgi?id=702

Gary