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A Paradox Java Driver (using JDBC 4)
There is a newer version: 1.6.3
/*
 * Driver.java 03/14/2009 Copyright (C) 2009 Leonardo Alves da Costa This program is free software: you can redistribute
 * it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation,
 * either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that
 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU
 * General Public License along with this program. If not, see .
 */
package com.googlecode.paradox;

import com.googlecode.paradox.utils.Constants;

import java.io.File;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.DriverPropertyInfo;
import java.sql.SQLException;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;

/**
 * PARADOX JDBC Driver type 4.
 *
 * @author Leonardo Alves da Costa
 * @version 2.2
 * @since 1.0
 */
@SuppressWarnings("squid:S2176")
public final class Driver implements java.sql.Driver {

    public static final String CHARSET_KEY = "charset";

    /**
     * Logger instance for this class.
     */
    private static final Logger LOGGER = Logger.getLogger(Driver.class.getName());

    // Register the drive into JDBC API.
    static {
        try {
            // Register The Paradox Driver
            final Driver driverInst = new Driver();
            DriverManager.registerDriver(driverInst);
        } catch (final SQLException e) {
            Driver.LOGGER.log(Level.SEVERE, e.getMessage(), e);
        }
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public boolean acceptsURL(final String url) {
        return (url != null) && url.startsWith(Constants.URL_PREFIX);
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public Connection connect(final String url, final Properties info) throws SQLException {
        if (this.acceptsURL(url)) {
            final String dirName = url.substring(Constants.URL_PREFIX.length());
            return new ParadoxConnection(new File(dirName), url, info);
        }
        return null;
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public int getMajorVersion() {
        return Constants.MAJOR_VERSION;
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public int getMinorVersion() {
        return Constants.MINOR_VERSION;
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public Logger getParentLogger() {
        return Driver.LOGGER;
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public DriverPropertyInfo[] getPropertyInfo(final String url, final Properties info) {
        final DriverPropertyInfo charset = new DriverPropertyInfo(CHARSET_KEY, info.getProperty(CHARSET_KEY));
        charset.required = false;
        charset.description = "Default table charset";

        final DriverPropertyInfo passwordProp = new DriverPropertyInfo("password", info.getProperty("password"));
        passwordProp.required = false;
        passwordProp.description = "Password to use for authentication";

        return new DriverPropertyInfo[]{charset, passwordProp};
    }

    /**
     * {@inheritDoc}.
     */
    @Override
    public boolean jdbcCompliant() {
        return false;
    }
}