How to use

fromNameFunction

method

in

cdc.util.data.util.AttributeNameConverter

@Test
public void testSetNameOfMatchingAttributes() throws IOException {
  final String source = XML + EOL
      + "<root x='a'>" + EOL
      + "<child y='a'/>" + EOL
      + "</root>";
  final String expected = XML + EOL
      + "<root X='a'>" + EOL
      + "<child Y='a'/>" + EOL
      + "</root>";
  final Document doc = XmlDataReader.load(source, StandardCharsets.UTF_8);
  DataUtil.setNameOfMatchingAttributes(doc,
                     AttributePredicate.ANY_ATTRIBUTE,
                     AttributeNameConverter.fromNameFunction(String::toUpperCase),
                     DataUtil.RECURSE);
  final String target = XmlDataWriter.toString(doc, INDENT, XmlWriter.Feature.USE_SINGLE_QUOTE);
  assertEquals(expected, target);
}