apache commons configuration2 read config from both local and network

DemoXMLConf.java

XMLConfiguration cnf;
{ // remote
    cnf = new BasicConfigurationBuilder<>(XMLConfiguration.class)
            .configure(new Parameters().xml()).getConfiguration();
    InputStream is = new ByteArrayInputStream(
            "xxxxxxxxxxxx".getBytes()
    );

    new FileHandler(cnf).load(is);
}
{ // local
    cnf = new FileBasedConfigurationBuilder<>(XMLConfiguration.class)
            .configure(new Parameters().xml().setFileName("xxxxxxx"))
            .getConfiguration();
}