if (attributeFile != null)
file = attributeFile;
Reader reader = conf.getConfResourceAsReader(file);
if (reader == null) {
trie = new PrefixStringMatcher(new String[0]);
} else {
try {
trie = readConfigurationFile(reader);
} catch (IOException e) {
if (LOG.isFatalEnabled()) { LOG.fatal(e.getMessage()); }