public static ConfigAccessor loadExternalProperties(final String... externalPropertiesFilenames) { final Properties properties = new Properties(); for (int i = 0; i < externalPropertiesFilenames.length; ++i) { String currentPropertyFilename = externalPropertiesFilenames[i]; PropertiesLoader.loadExternalPropertiesFile(properties, currentPropertyFilename); } final PropertiesConfigAccessor config = new PropertiesConfigAccessor(properties); return config; }