UsageConfiguration(File configFile) throws IOException {
  mProp=new Properties();
  try (InputStream is=FileUtils.createInputStream(configFile,false)){
    mProp.load(is);
  }
   mProp.setProperty(ENABLE_USAGE,"true");
}

UsageConfiguration ( File configFile ) throws IOException { mProp = new Properties ( ) ; try ( InputStream is = FileUtils . createInputStream ( configFile , false ) ) { mProp . load ( is ) ; } mProp . setProperty ( ENABLE_USAGE , "true" ) ; }
load usage configuration from an external properties file
