WordCount.java

package com.cheesekeg.wordcount;

import java.util.ArrayList;

import com.cheesekeg.wordcount.gui.WordCountWindow;

/**
 * A Java Swing application that takes a given input from a TextArea and sorts space-separated words by popularity.
 * @author Brandon DeRosier
 * @since 0.1
 * @version 0.1
 */
public class WordCount {

    WordCountWindow gui; // The jFrame I/O.

    /**
     * Construct a new WordCount.
     */
    private WordCount() {
        gui = new WordCountWindow();
    }

    /**
     * @param args
     */
    public static void main(String[] args) {
        new WordCount();
    }

    public static String CountWordString(String words) {
        ArrayList<WordEntry> wordList = CountWords(words);
        String result = "";

        for (int i = 0; i < wordList.size(); i++) {
            result += wordList.get(i) + "\n";
        }

        return result;
    }

    public static ArrayList<WordEntry> CountWords(String words) {
        ArrayList<WordEntry> wordList = new ArrayList<WordEntry>();

        String word = "";
        char buffer;
        for (int i = 0; i < words.length(); i++) {
            buffer = words.charAt(i);

            if (buffer == ' ' || buffer == '.' || buffer == ',' || buffer == '\n') {
                if (word.length() > 0) {
                    WordEntry test = new WordEntry("");
                    for (int j = 0; j < wordList.size(); j++) {

                        if (wordList.get(j).GetWord().toLowerCase().equals(word.toLowerCase())) {
                            test = wordList.get(j);
                            break;
                        }
                    }

                    if (test.GetWord() == "") {
                        test.SetWord(word);
                        wordList.add(test);
                    }

                    test.IncrementCount();

                    word = "";
                }
            } else {
                word += buffer;
            }
        }

        // Simple descending sort.
        ArrayList<WordEntry> result = new ArrayList<WordEntry>();

        while (wordList.size() > 0) {
            WordEntry most = wordList.get(0);

            for (int j = 1; j < wordList.size(); j++) {
                if (wordList.get(j).GetCount() > most.GetCount()) {
                    most = wordList.get(j);
                }
            }

            wordList.remove(most);
            result.add(most);
        }

        return result;
    }

}