fork download
copy 
  1. import java.io.*;
  2. import javax.xml.parsers.DocumentBuilderFactory;
  3. import javax.xml.xpath.*;
  4. import org.w3c.dom.*;
  5. import org.xml.sax.InputSource;
  6.  
  7. class test {
  8.  
  9.     public static void main(String[] args) throws Exception {
  10.  
  11.         XPathExpression expr = XPathFactory.newInstance().newXPath().compile(
  12.             "/A[namespace-uri() = 'some-namespace']");  // This does not select anything, replacing A with * does 
  13.  
  14.         // This XPath selects as expected (in all parsers mentioned): /*[namespace-uri() = 'some-namespace']
  15.  
  16.         String xml = "<A xmlns=\"some-namespace\"> </A>";
  17.  
  18.         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  19.         factory.setNamespaceAware(true);
  20.         Document doc = factory.newDocumentBuilder().parse(new InputSource(new StringReader(xml)));
  21.         NodeList nodes = (NodeList) expr.evaluate(doc, XPathConstants.NODESET);
  22.  
  23.         System.out.println("Number of nodes selected: " + nodes.getLength());
  24.  
  25.         for (int i = 0; i < nodes.getLength(); i++) {
  26.             System.out.println("Node name: " + nodes.item(i).getNodeName());        
  27.         }
  28.     }
  29. }
Success #stdin #stdout 0.09s 31732KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Number of nodes selected: 0
https://ideone.com/q5Ar3s
language:
Java (HotSpot 12)
created:
6 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!