PayloadAttribute payloadAttribute = tokenStream.addAttribute(PayloadAttribute.class);
tokenStream.incrementToken();
tokenStream.end();
tokenStream.close();
String value = new String(termAttribute.termBuffer(), 0, termAttribute.termLength());
if (value.startsWith(namePrefix)) {
// extract value
value = value.substring(namePrefix.length());
// create new named value
Path p = getRelativePath(state, propState);