private Properties loadAliasProperties(String fileName) { Properties empty = new Properties(); Properties fallback = loadPropertiesFromInternalResource("/" + fileName + ".properties", empty); Properties customFallback = loadPropertiesFromInternalResource("/" + fileName + "_custom.properties", fallback); Properties aliasProperties = loadPropertiesFromExternalFile("./" + fileName + ".properties", customFallback); return aliasProperties; }