code: public static <K, V> HadoopInputFormat<K, V> readHadoopFile(org.apache.hadoop.mapred.FileInputFormat<K, V> mapredInputFormat, Class<K> key, Class<V> value, String inputPath) {
  		return readHadoopFile(mapredInputFormat, key, value, inputPath, new JobConf());
  	}
docs: Creates a Flink {@link InputFormat} that wraps the given Hadoop {@link org.apache.hadoop.mapred.FileInputFormat}.
  
  @return A Flink InputFormat that wraps the Hadoop FileInputFormat.