private Version getLuceneMatchVersion(SearchConfiguration cfg) {
final Version version;
String tmp = cfg.getProperty(Environment.LUCENE_MATCH_VERSION);
if (StringHelper.isEmpty(tmp)) {
log.recommendConfiguringLuceneVersion();
version = Environment.DEFAULT_LUCENE_MATCH_VERSION;
} else {
try {
version = Version.parseLeniently(tmp);
if (log.isDebugEnabled()) {
log.debug("Setting Lucene compatibility to Version " + version);
}
} catch (IllegalArgumentException e) {
throw log.illegalLuceneVersionFormat(tmp, e.getMessage());
} catch (ParseException e) {
throw log.illegalLuceneVersionFormat(tmp, e.getMessage());
}
}
return version;
}
