//
package arrayplay;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Scanner;


public class ReverseCopy {
   public static void main(String[]args) throws FileNotFoundException, IOException{
        String inputFileName = "Lostboy.text";
        String outputFileName = "LostBoyReversed.text";
        String[] words = readWordsFromFile(inputFileName);
        writeWordsToFile(words,outputFileName);
    }


    private static final int LIMIT = 1000;

    private static String [] readWordsFromFile(String inputFileName) throws FileNotFoundException{
        //eqaute a scanner with the input file
        Scanner scanner = establishScanner(inputFileName);
        //read the words from the file into an oversized array
        String[] temp = new String[LIMIT];
        int index = 0;
        while (scanner.hasNext()) {
            String word = scanner.next();
            temp[index] = word;
            index = index + 1;
        }
        int wordCount = index;
        //transfer the words to a perfectly sized array
        String[] words = new String[wordCount];
        for (int x = 0; x < wordCount; x = x + 1) {
           words[x] = temp[x];
        }
        //return the words
        return words;
  }
    private static void writeWordsToFile(String[] words, String outputFileName) throws IOException {
                  // Equate a printer with an output file
                  PrintWriter printer = getPrintWriter(outputFileName);
                  // Print the words to the file
                  for ( int x = words.length-1; x >= 0; x = x - 1 ) {
                      printer.println(words[x]);
                  }
                  printer.close();
              }

               private static Scanner establishScanner(String inputFileName) throws FileNotFoundException {
                   String fullFileName = createFullFileName(inputFileName);
                   return new Scanner(new File(fullFileName));
               }
              private static PrintWriter getPrintWriter(String outputFileName) throws FileNotFoundException {
                   String fullFileName = createFullFileName(outputFileName);
                   PrintWriter printer = new PrintWriter(fullFileName);
                   return printer;
              }

               // Create the full file name for a simple file name, assuming that it will be
              // found in the CS1Files/data subdirectory of the user’s home directory.

              private static String createFullFileName(String fileName) {
                      String separator = System.getProperty("file.separator");
                      String home = System.getProperty("user.home");
                       String path = home + separator + "CS1Files" + separator + "CS1Data" + separator;
                     String fullFileName = path + fileName;
                      return fullFileName;
                   }

    }