Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package ru.sbt.bit.ood.hw1.parse; import org.apache.commons.csv.CSVFormat; import org.springframework.stereotype.Service; import ru.sbt.bit.ood.hw1.trade.Trade; import java.io.FileReader; import java.io.IOException; import java.io.Reader; import java.util.ArrayList; import java.util.Collection; /** * * @author HPBrick */ @Service public class CSVRecordParser implements Parser<Trade> { public Iterable<Trade> parse(String fileName) { try { Reader in = new FileReader(fileName); Collection<Trade> trades = new ArrayList<>(); CSVFormat.EXCEL.parse(in).forEach((csvRecord) -> trades.add(new Trade(csvRecord.toMap()))); return trades; } catch (IOException e) { e.printStackTrace(); throw new RuntimeException("There was an error while parsing CSV file"); } } }