import java.awt.Font;
import java.io.File;
import java.util.Arrays;
import java.util.Comparator;
import java.util.Scanner;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;

/**
 *
 * @author Bill Kraynek
 */
public class CountWordsWithWordClassUsingArrays {

    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws Exception {
        Scanner fileScanner = new Scanner(new File("src/CountWordsWithWordClassUsingArrays.java"));
        fileScanner.useDelimiter("[^A-Za-z]+");
        WordClass[] words = new WordClass[20];
        int wordsSize = 0;
        while (fileScanner.hasNext()) {
            WordClass word = new WordClass(fileScanner.next());
            int index = indexOf(words, wordsSize, word);
            if (index == -1) {
                if (wordsSize == words.length) {
                    words = increaseCapacity(words);
                }
                words[wordsSize] = word;
                wordsSize++;
            } else {
                words[index].incrementCount();
            }// end if
        }// end while
        words = trim(words, wordsSize);
        display(words);
        Arrays.sort(words);
        display(words);
        Arrays.sort(words, new WordClass.CountWordsComparator());
        display(words);
    }// end main

    static int indexOf(WordClass[] words, int wordsSize, WordClass word) {
        for (int i = 0; i < wordsSize; i++) {
            if (words[i].equals(word)) {
                return i;
            }
        }// end for
        return -1;
    }// end indexOf

    static WordClass[] increaseCapacity(WordClass[] array) {
        WordClass[] save = array;
        array = new WordClass[2 * array.length + 1];
        for (int i = 0; i < save.length; i++) {
            array[i] = save[i];
        }// end for
        return array;
    }// end increaseCapacity

    static WordClass[] trim(WordClass[] words, int wordsSize) {
        WordClass[] save = words;
        words = new WordClass[wordsSize];
        for (int i = 0; i < wordsSize; i++) {
            words[i] = save[i];
        }
        return words;
    }// end trim

    static void display(WordClass[] words) {
        String out = "";
        for (int i = 0; i < words.length; i++) {
            out += words[i];
        }// end for
        JTextArea outArea = new JTextArea(out, 40, 40);
        outArea.setFont(new Font(Font.MONOSPACED, Font.PLAIN, 15));
        JOptionPane.showMessageDialog(null, new JScrollPane(outArea));
    }
}