xPath :: NamespaceContext

<?xml version=1.0 encoding=ISO-8859-1?>
    <root xmlns=[url]http://www.softlab.de/2006/IOML[/url] xmlns:xsi=[url]http://www.w3.org/2001/XMLSchema-instance[/url] xsi:schemaLocation=[url]http://www.softlab.de/2006/IOML[/url] ioml_iocmd.xsd >
        <command>
            <title>Command-Test Nr.1</title>
            <datum>2007.08.28</datum>
            <a_1>1</a_1>
            <a_2>11</a_2>
        </command>
    </root>

public class NamespaceContextImpl implements NamespaceContext {
	
  public String getNamespaceURI(String prefix){
  	logger.info(==|> getNamespaceURI(+prefix+));
  	
  	if (prefix.equals(xml))
      return [url]http://www.w3.org/2001/XMLSchema-instance;[/url]
    else if (prefix.equals(schemaLocation))
    	return [url]http://www.softlab.de/2006/IOML[/url] ioml_iocmd.xsd;
    else
      return XMLConstants.DEFAULT_NS_PREFIX;
  }
  
  // This method isn't necessary for XPath processing.
  public String getPrefix(String uri) {
    throw new UnsupportedOperationException();
  }

  // This method isn't necessary for XPath processing either.
  public Iterator getPrefixes(String uri) {
    throw new UnsupportedOperationException();
  }
}