/*
* Class				oppgave1a
* By				Rune Vikestad
* E-Mail			vikestad@stud.ntnu.no
* Web				http://folk.ntnu.no/vikestad/
* Description		IT-1103, Basic Programming (Java), Exercise 6
*/

import java.io.*;
import java.util.*;
import javax.swing.JOptionPane;

/**
* Class: 'oppgave1b'
*/
public class oppgave1b {

	/**
	* Method: 'main'.
	*/
	public static void main(String[] args) throws IOException {

		/*
		* Variable Declarations
		*/
		FileReader fr;
		FileWriter fw;
		PrintWriter pw;
		String fileInName;			// The name of the file we read from
		String fileOutName;			// The name of the file we write to
		int charCode;				// The decimal value of a character read
		char wordPart;				// The alphanumeric value of a character read.
		String wordTemp = "";		// The temporary string used to store words, before they're processed into an array.
		int counter = 0;			// We use this integer to count how many words we've read, for the array.
		String[] wordArray;			// Our words, in an array.

		/*
		* Variable Initiations
		*/
		fileInName = JOptionPane.showInputDialog("File name: ");
		fileOutName = JOptionPane.showInputDialog("File name (Output): ");
		fr = new FileReader(fileInName);
		fw = new FileWriter(fileOutName);
		pw = new PrintWriter(fw);
		wordArray = new String[100];

		/*
		* Process our stream.
		*/
		do {
			charCode = fr.read();

			/* If character isn't a Comma, Period, Space or EOF. */
			if (charCode != 46 && charCode != 44 && charCode != 32 && charCode != -1) {
				if (charCode >= 65 && charCode < 97) {
					/* Found an upper case character, so make it lower case. */
					charCode = charCode + 32;
				}
				/* Insert the character into our temporary word */
				wordPart = (char)charCode;
				wordTemp = wordTemp + wordPart;
			}


			if (charCode == 32) {
				/* We found a space, which means we've got a word. */
				wordArray[counter] = wordTemp;
				System.out.println(wordArray[counter]);		// Print to screen.
				pw.println(wordArray[counter]);				// Print to file.
				wordTemp = "";

				if (counter == 0) {
					counter = counter+1;
				} else if (counter > 0) {
					counter = counter+1;
				}

			} else if (charCode == -1) {
				/* We found the EOF, print the last word. */


				wordArray[counter] = wordTemp;
				System.out.println(wordArray[counter]);		// Print to screen.
				pw.println(wordArray[counter]);				// Print to file.
				wordTemp = "";

				if (counter == 0) {
					counter = counter+1;
				} else if (counter > 0) {
					counter = counter+1;
				}
			}

		} while (charCode > 0);

		fr.close();
		fw.close();
		pw.close();
		System.exit(0);
	}
}