removeFile

import java.sql.*;

import java.sql.*;

public class StateMachineChecker {

    // Define the states of the state machine

    private enum State {

        START,      // Initial state

        PRONOUN,    // State for processing a pronoun token

        ARTICLE,    // State for article

        VERB,       // State for processing a verb token

        ADJECTIVE,   // State for processing an adjective token

        NOUN,   // State for processing a noun

        DOT,   // State for processing a noun

    }

    // Define the transitions of the state machine

    private static State nextState(State currentState, String token) {

        switch (currentState) {

            case START:

                if (token.equalsIgnoreCase("Pronoun")) {

                    return State.PRONOUN;

                }

                break;

            case PRONOUN:

                if (token.equalsIgnoreCase("Verb")) {

                    return State.VERB;

                }

                break;

            case ARTICLE:

                if (token.equalsIgnoreCase("Adjective")) {

                    return State.ADJECTIVE;

                }

                break;

            case VERB:

                if (token.equalsIgnoreCase("Article")) {

                    return State.ARTICLE;

                }

                break;

            case ADJECTIVE:

                if (token.equalsIgnoreCase("Noun")) {

                    return State.NOUN;

                }

                break;

            case NOUN:

                if (token.equalsIgnoreCase("Dot")) {

                    return State.DOT;

                }

                break;

        }

        return null; // No valid transition

    }

    // Check if the tokens follow the state machine

    private static boolean followsStateMachine(String[] tokens) {

        State currentState = State.START;

        for (String token : tokens) {

            System.out.println(currentState + " -> " + token + "\n");

            State nextState = nextState(currentState, token);

            if (nextState == null) {

                return false; // Invalid transition

            }

            currentState = nextState;

        }

        // Check if the final state is acceptable

        return currentState == State.DOT;

    }

    public static void main(String[] args) {

        // JDBC URL for SQLite database (replace "database.db" with your database file)

        String url = "jdbc:sqlite:./SQLite/mydatabase.db";

        // Sentence to tokenize

        String sentence = "it is a good book.";

        try (Connection connection = DriverManager.getConnection(url)) {

            // Tokenize the sentence

            sentence = sentence.replaceAll("\\p{Punct}", " $0");

            String[] tokens = sentence.split("\\s+");

            // Lookup each token in the database and categorize it

            for (int i = 0; i < tokens.length; i++) {

                String token = tokens[i];

                try (Statement statement = connection.createStatement()) {

                    String query = "SELECT role FROM word_roles WHERE word = '" + token + "';";

                    ResultSet resultSet = statement.executeQuery(query);

                    if (resultSet.next()) {

                        String role = resultSet.getString("role");

                        // Replace the token with its role

                        tokens[i] = role;

                    }

                }

            }

            // Check if the tokens follow the state machine

            boolean followsStateMachine = followsStateMachine(tokens);

            // Output the result

            if (followsStateMachine) {

                System.out.println("The tokens follow the state machine.");

            } else {

                System.out.println("The tokens do not follow the state machine.");

            }

        } catch (SQLException e) {

            e.printStackTrace();

        }

    }

}

//javac -d bin -cp .:sqlite-jdbc-3.45.2.0.jar StateMachineChecker.java

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