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  1. /* package whatever; // don't place package name! */
  2.  
  3. import java.util.*;
  4. import java.lang.*;
  5. import java.io.*;
  6. import javax.xml.namespace.NamespaceContext;
  7. import javax.xml.parsers.*;
  8. import javax.xml.*;
  9. import org.w3c.dom.*;
  10. import javax.xml.xpath.*;
  11. import org.xml.sax.*;
  12.  
  13. /* Name of the class has to be "Main" only if the class is public. */
  14. class Ideone
  15. {
  16. 	public static void main (String[] args) throws java.lang.Exception
  17. 	{
  18. 		// javax.xml.parsers.*
  19.         DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
  20.         factory.setNamespaceAware(true); 
  21.         DocumentBuilder builder = factory.newDocumentBuilder();
  22.         String xml = "<soap:Envelope xmlns:soap=\"http://w...content-available-to-author-only...3.org/2003/05/soap-envelope\">" + 
  23.                      "<soap:Header>" + 
  24.                      "<context xmlns=\"urn:zimbra\"><session id=\"555\">555</session><change token=\"333\"/></context>" +
  25.                      "</soap:Header>" +
  26.                      "</soap:Envelope>";
  27.  
  28.         InputSource is = new InputSource(new StringReader(xml));
  29.         Document doc = builder.parse(is);
  30.  
  31.         XPathFactory xPathfactory = XPathFactory.newInstance();
  32.         XPath xpath = xPathfactory.newXPath();
  33.         xpath.setNamespaceContext(new NamespaceContext() {
  34.             @Override
  35.             public String getNamespaceURI(String prefix) {
  36.                 if (prefix.equals("soap")) {
  37.                     return "http://w...content-available-to-author-only...3.org/2003/05/soap-envelope";
  38.                 }
  39.                 if (prefix.equals("zmb")) {
  40.                     return "urn:zimbra";
  41.                 }
  42.  
  43.                 return XMLConstants.NULL_NS_URI;
  44.             }
  45.  
  46.             @Override
  47.             public String getPrefix(String namespaceURI) {
  48.                 throw new UnsupportedOperationException("Not supported yet.");
  49.             }
  50.  
  51.             @Override
  52.             public Iterator getPrefixes(String namespaceURI) {
  53.                 throw new UnsupportedOperationException("Not supported yet.");
  54.             }
  55.         });
  56.  
  57.         XPathExpression expr = 
  58.                xpath.compile("/soap:Envelope/soap:Header/zmb:context/zmb:session");
  59.         String sessionId = (String)expr.evaluate(doc, XPathConstants.STRING);
  60.         System.out.println(sessionId);
  61. 	}
  62. }
Success #stdin #stdout 0.14s 382144KB
comments (?)
stdin 
Standard input is empty
stdout 
555
https://ideone.com/X3iX5N
language:
Java (HotSpot 12)
created:
10 years ago
visibility:
public

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