package class8_3_BufferedOutputStream_inClass;// Dr. Yoder. MSOE. 03 February 2017

import java.io.*;
import java.nio.charset.CharacterCodingException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.text.DecimalFormat;
import java.util.List;

/**
 * This version filters the images based on extension
 * Very handy for lab 8
 */
//(Writer writer = new BufferedWriter(new FileWriter("numbered.txt"))){
public class StoryWriterFilterByExtension {
    public static void main(String[] args) {
        String filename = "kjv10.txt";
        OutputStream writer = System.out;
        try {
            List<String> lines = Files.readAllLines(Paths.get(filename), StandardCharsets.UTF_8);
            long startTime = System.nanoTime();
            int lineNum = 1;
            for(String line : lines) {
//                writer.write(lineNum++ + ": ");
                for(char c: line.toCharArray()) {
                    writer.write(Character.toUpperCase(c));
                }
                writer.write('\r');
                writer.write('\n');
            }
            writer.flush();
            long endTime = System.nanoTime();
            long duration = (endTime - startTime);
            DecimalFormat format = new DecimalFormat("0.000");
            System.out.println("Duration: "+format.format(duration/1e9)+ " seconds");
        } catch (IOException e) {
            System.out.println("Error while reading file: "+filename);
        }
    }
}