assignment.CSVFileReader.java Source code

Introduction

Here is the source code for assignment.CSVFileReader.java

Source

/*
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package assignment;

import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVParser;
import org.apache.commons.csv.CSVRecord;

/**
 *
 * @author Al3x3i
 */
public class CSVFileReader implements IFileReader {

    public CSVFileReader() {
    }

    @Override
    public List<Map<String, String>> readFile(String filePath) {
        Reader reader;
        List<Map<String, String>> rows = new ArrayList<Map<String, String>>();
        try {
            reader = new BufferedReader(new InputStreamReader(new FileInputStream(filePath), "utf-8"));
            CSVParser csvParser = new CSVParser(reader, CSVFormat.DEFAULT);

            Iterator<CSVRecord> csvRecord = csvParser.iterator();
            CSVRecord headers = csvRecord.next();

            for (CSVRecord row : csvParser) {
                Map<String, String> item = new HashMap<String, String>();

                int colNr = 0;
                for (String header : headers) {
                    String r = "";
                    try {
                        r = row.get(colNr);
                    } catch (Exception ex) {

                    }
                    item.put(header, r);
                    colNr++;
                }
                rows.add(item);
            }
        } catch (Exception ex) {

        }
        return rows;
    }

}