Streams 알고리즘이있는 Java 8 검색 ArrayList 실패

JavaFX 답변을 추가하고 있습니다. 이 앱은 Levenshtein Distance. Check Spelling시작하려면를 클릭 해야합니다. 목록에서 단어를 선택하여 현재 검사중인 단어를 바꿀 수 있습니다. 나는 알 Levenshtein Distance당신이 더 많은 목록을 아래로 줄일 수있는 다른 방법을 모색 할 수 있도록 단어의 반환을 많이.

본관

import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Scene;
import javafx.scene.control.Button;
import javafx.scene.control.ListView;
import javafx.scene.control.TextArea;
import javafx.scene.control.TextField;
import javafx.scene.layout.VBox;
import javafx.stage.Stage;

public class App extends Application
{

    public static void main(String[] args)
    {
        launch(args);
    }

    TextArea taWords = new TextArea("Tak Carrage thiss on hoemaker answe");
    TextField tfCurrentWordBeingChecked = new TextField();
    //TextField tfMisspelledWord = new TextField();
    ListView<String> lvReplacementWords = new ListView();
    TextField tfReplacementWord = new TextField();

    Button btnCheckSpelling = new Button("Check Spelling");
    Button btnReplaceWord = new Button("Replace Word");

    List<String> wordList = new ArrayList();
    List<String> returnList = new ArrayList();
    HandleLevenshteinDistance handleLevenshteinDistance = new HandleLevenshteinDistance();
    ObservableList<String> listViewData = FXCollections.observableArrayList();

    @Override
    public void start(Stage primaryStage)
    {
        setupListView();
        handleBtnCheckSpelling();
        handleBtnReplaceWord();

        VBox root = new VBox(taWords, tfCurrentWordBeingChecked, lvReplacementWords, tfReplacementWord, btnCheckSpelling, btnReplaceWord);
        root.setSpacing(5);
        Scene scene = new Scene(root);
        primaryStage.setScene(scene);
        primaryStage.show();
    }

    public void handleBtnCheckSpelling()
    {
        btnCheckSpelling.setOnAction(actionEvent -> {
            if (btnCheckSpelling.getText().equals("Check Spelling")) {
                wordList = new ArrayList(Arrays.asList(taWords.getText().split(" ")));
                returnList = new ArrayList(Arrays.asList(taWords.getText().split(" ")));
                loadWord();
                btnCheckSpelling.setText("Check Next Word");
            }
            else if (btnCheckSpelling.getText().equals("Check Next Word")) {
                loadWord();
            }
        });
    }

    public void handleBtnReplaceWord()
    {
        btnReplaceWord.setOnAction(actionEvent -> {
            int indexOfWordToReplace = returnList.indexOf(tfCurrentWordBeingChecked.getText());
            returnList.set(indexOfWordToReplace, tfReplacementWord.getText());
            taWords.setText(String.join(" ", returnList));
            btnCheckSpelling.fire();
        });
    }

    public void setupListView()
    {
        lvReplacementWords.setItems(listViewData);
        lvReplacementWords.getSelectionModel().selectedItemProperty().addListener((obs, oldSelection, newSelection) -> {
            tfReplacementWord.setText(newSelection);
        });
    }

    private void loadWord()
    {
        if (wordList.size() > 0) {
            tfCurrentWordBeingChecked.setText(wordList.get(0));
            wordList.remove(0);
            showPotentialCorrectSpellings();
        }
    }

    private void showPotentialCorrectSpellings()
    {
        List<String> potentialCorrentSpellings = handleLevenshteinDistance.getPotentialCorretSpellings(tfCurrentWordBeingChecked.getText().trim());
        listViewData.setAll(potentialCorrentSpellings);
    }
}

CustomWord 클래스

/**
 *
 * @author blj0011
 */
public class CustomWord
{

    private int distance;
    private String word;

    public CustomWord(int distance, String word)
    {
        this.distance = distance;
        this.word = word;
    }

    public String getWord()
    {
        return word;
    }

    public void setWord(String word)
    {
        this.word = word;
    }

    public int getDistance()
    {
        return distance;
    }

    public void setDistance(int distance)
    {
        this.distance = distance;
    }

    @Override
    public String toString()
    {
        return "CustomWord{" + "distance=" + distance + ", word=" + word + '}';
    }
}

HandleLevenshteinDistance 클래스

/**
 *
 * @author blj0011
 */
public class HandleLevenshteinDistance
{

    private List<String> dictionary = new ArrayList<>();

    public HandleLevenshteinDistance()
    {
        try {
            //Load DictionaryFrom file
            //See if the dictionary file exists. If it don't download it from Github.
            File file = new File("alpha.txt");
            if (!file.exists()) {
                FileUtils.copyURLToFile(
                        new URL("https://raw.githubusercontent.com/dwyl/english-words/master/words_alpha.txt"),
                        new File("alpha.txt"),
                        5000,
                        5000);
            }

            //Load file content to a List of Strings
            dictionary = FileUtils.readLines(file, Charset.forName("UTF8"));
        }
        catch (IOException ex) {
            ex.printStackTrace();
        }

    }

    public List<String> getPotentialCorretSpellings(String misspelledWord)
    {
        LevenshteinDistance levenshteinDistance = new LevenshteinDistance();
        List<CustomWord> customWords = new ArrayList();

        dictionary.stream().forEach((wordInDictionary) -> {
            int distance = levenshteinDistance.apply(misspelledWord, wordInDictionary);
            if (distance <= 2) {
                customWords.add(new CustomWord(distance, wordInDictionary));
            }
        });

        Collections.sort(customWords, (CustomWord o1, CustomWord o2) -> o1.getDistance() - o2.getDistance());

        List<String> returnList = new ArrayList();
        customWords.forEach((item) -> {
            System.out.println(item.getDistance() + " - " + item.getWord());
            returnList.add(item.getWord());
        });

        return returnList;
    }
}