import java.util.*;
import java.io.*;
import java.text.*;

public class Lab9 {
    private final String FILEDIRECTORY = "C:\\Users\\Owner\\Desktop";
    private final String INPUTFILEPATH = "Lab9Input.txt";
    private final String OUTPUTFILEPATH = "Lab9Output.txt";

    public static void main(String[] args){
        Lab9 myClass = new Lab9();
        myClass.doIt();
    }

    public void doIt(){
        int recordCounter = 1;
        double payAmount = 0;
        DecimalFormat formatPay = new DecimalFormat("#####.##");
        String employeeName = null;
        String lineIn = null;
        String[] piecesOfDocument = new String[2];
        String myInputFile = FILEDIRECTORY + File.separator + INPUTFILEPATH;
        String myOutputFile = FILEDIRECTORY + File.separator + OUTPUTFILEPATH;

        try{
            File inputFile = new File(myInputFile);
            FileReader fr = new FileReader(inputFile);
            BufferedReader br = new BufferedReader(fr);
            File outputFile = new File(myOutputFile);
            FileWriter fw = new FileWriter(outputFile);
            BufferedWriter bw = new BufferedWriter(fw);

            while ((lineIn = br.readLine()) != null){
                piecesOfDocument = lineIn.split(":");
                employeeName = piecesOfDocument[0];
                payAmount = Double.parseDouble(piecesOfDocument[1]);
                bw.write(String.format("%4d %-20s %s %n", recordCounter, employeeName, formatPay.format(payAmount)));
                recordCounter++;
            }

        br.close();
        fr.close();
        bw.close();
        fw.close();

        }
        catch (Exception ex){
            MyError("File could not be read or written!", ex);
        }

    }

    public void MyError(String errMsg, Exception ex){
        System.out.println(errMsg);
        ex.printStackTrace();
        System.exit(1);
    }
}