자바 csv 유틸

import com.fasterxml.jackson.databind.MappingIterator;

import com.fasterxml.jackson.databind.ObjectReader;



import java.io.File;

import java.io.FileNotFoundException;

import java.io.IOException;

import java.util.ArrayList;

import java.util.List;

import java.util.Scanner;



public class CsvUtils {



    public static String readFile(String path) {

        try {

            Scanner scanner = new Scanner(new File(path)).useDelimiter("\\A");



            if (scanner.hasNext()) {

                return scanner.next();

            } else {

                return "";

            }



        } catch (FileNotFoundException e) {

            throw new RuntimeException(e);

        }

    }



    public static <T> List<T> readFromCsv(ObjectReader objectReader, String path) {

        try {

            List<T> results = new ArrayList<>();



            MappingIterator<T> iterator = objectReader.readValues(readFile(path));



            while (iterator.hasNext()) {

                results.add(iterator.nextValue());

            }



            return results;

        } catch (IOException e) {

            throw new RuntimeException(e);

        }

    }

}