CommonStatsCSVHelper.java

package edu.ucsb.cs156.happiercows.helpers;

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Arrays;

import java.util.List;

import org.apache.commons.csv.CSVFormat;

import org.apache.commons.csv.CSVPrinter;

import edu.ucsb.cs156.happiercows.entities.CommonStats;

public class CommonStatsCSVHelper {

            "id", "commonsId", "numCows", "avgHealth", "timestamp"

    );

    // Private constructor to prevent instantiation of utility class.

        /**

     * Flush and close the given output stream and CSV printer.

     * 

     * @param out stream to close

     * @param csvPrinter printer to close

     * @throws IOException if there's an error during flushing or closing

     */

    private static void flushAndClose(ByteArrayOutputStream out, CSVPrinter csvPrinter) throws IOException {

    /**

     * Convert the given Iterable of CommonStats into a ByteArrayInputStream suitable for CSV export.

     *

     * @param lines The Iterable collection of CommonStats to be exported.

     * @return A ByteArrayInputStream representation of the CSV data.

     * @throws IOException if there's an error during CSV generation.

     */

    public static ByteArrayInputStream toCSV(Iterable<CommonStats> lines) throws IOException {

            );

    }

}

Mutations