HSQLDB example source code file (ZaurusConnectionDialog.java)

This example HSQLDB source code file (ZaurusConnectionDialog.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - HSQLDB tags/keywords

awt, borderlayout, button, choice, connectok, dimension, event, hsql, jdbc, panel, panel, sql, string, string, textfield, textfield, zaurusconnectiondialog, zaurusconnectiondialog

The HSQLDB ZaurusConnectionDialog.java source code

/* Copyright (c) 2001-2008, The HSQL Development Group
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 *
 * Neither the name of the HSQL Development Group nor the names of its
 * contributors may be used to endorse or promote products derived from this
 * software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL HSQL DEVELOPMENT GROUP, HSQLDB.ORG,
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */


package org.hsqldb.util;

import java.sql.Connection;
import java.awt.BorderLayout;
import java.awt.Button;
import java.awt.Choice;
import java.awt.Dimension;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.Label;
import java.awt.Panel;
import java.awt.SystemColor;
import java.awt.TextField;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.awt.event.WindowEvent;

/**
 * Class declaration
 *
 *
 * @author ulrivo@users
 * @version 1.0.0.1
 */
public class ZaurusConnectionDialog extends ConnectionDialog
implements ActionListener, ItemListener, KeyListener {

    static final String[][] sJDBCTypes = {
        {
            "HSQL In-Memory", "org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:."
        }, {
            "HSQL Standalone", "org.hsqldb.jdbcDriver", "jdbc:hsqldb:test"
        }, {
            "MM.MySQL", "org.gjt.mm.mysql.Driver", "jdbc:mysql://localhost/"
        }, {
            "JDBC-ODBC Brigde from Sun", "sun.jdbc.odbc.JdbcOdbcDriver",
            "jdbc:odbc:test"
        }, {
            "Oracle", "oracle.jdbc.driver.OracleDriver", "jdbc:oracle:oci8:@"
        }, {
            "IBM DB2", "COM.ibm.db2.jdbc.app.DB2Driver", "jdbc:db2:test"
        }, {
            "Cloudscape RMI", "RmiJdbc.RJDriver",
            "jdbc:rmi://localhost:1099/jdbc:cloudscape:test;create=true"
        }, {
            "InstantDb", "jdbc.idbDriver", "jdbc:idb:sample.prp"
        },
        {
            "PointBase", "com.pointbase.jdbc.jdbcUniversalDriver",
            "jdbc:pointbase://localhost/sample"
        },    // PUBLIC / public
    };

    /**
     * Constructor declaration
     *
     *
     * @param owner
     * @param title
     */
    ZaurusConnectionDialog(Frame owner, String title) {

        super(owner, title);

        addKeyListener(this);
    }

    /**
     * Method declaration
     *
     */
    void create(Insets defInsets) {

        setLayout(new BorderLayout());
        addKeyListener(this);

        Panel p = new Panel(new GridLayout(6, 2, 10, 10));

        p.addKeyListener(this);
        p.setBackground(SystemColor.control);
        p.add(createLabel("Type:"));

        Choice types = new Choice();

        types.addItemListener(this);
        types.addKeyListener(this);

        for (int i = 0; i < sJDBCTypes.length; i++) {
            types.add(sJDBCTypes[i][0]);
        }

        p.add(types);
        p.add(createLabel("Driver:"));

        mDriver = new TextField("org.hsqldb.jdbcDriver");

        mDriver.addKeyListener(this);
        p.add(mDriver);
        p.add(createLabel("URL:"));

        mURL = new TextField("jdbc:hsqldb:mem:.");

        mURL.addKeyListener(this);
        p.add(mURL);
        p.add(createLabel("User:"));

        mUser = new TextField("SA");

        mUser.addKeyListener(this);
        p.add(mUser);
        p.add(createLabel("Password:"));

        mPassword = new TextField("");

        mPassword.addKeyListener(this);
        mPassword.setEchoChar('*');
        p.add(mPassword);

        Button b;

        b = new Button("Cancel");

        b.setActionCommand("ConnectCancel");
        b.addActionListener(this);
        b.addKeyListener(this);
        p.add(b);

        b = new Button("Ok");

        b.setActionCommand("ConnectOk");
        b.addActionListener(this);
        b.addKeyListener(this);
        p.add(b);
        setLayout(new BorderLayout());
        add("East", createLabel(" "));
        add("West", createLabel(" "));

        mError = new Label("");

        Panel pMessage = createBorderPanel(mError);

        pMessage.addKeyListener(this);
        add("South", pMessage);
        add("North", createLabel(""));
        add("Center", p);
        doLayout();
        pack();

        Dimension d    = Toolkit.getDefaultToolkit().getScreenSize();
        Dimension size = getSize();

        if (d.width > 640) {
            setLocation((d.width - size.width) / 2,
                        (d.height - size.height) / 2);
        } else if (defInsets.top > 0 && defInsets.left > 0) {
            setLocation(defInsets.bottom, defInsets.right);
            setSize(defInsets.top, defInsets.left);

            // full size on screen with less than 640 width
        } else {
            setLocation(0, 0);
            setSize(d);
        }

        show();
    }

    /**
     * Method declaration
     *
     *
     * @param ev
     */
    public void actionPerformed(ActionEvent ev) {

        String s = ev.getActionCommand();

        //  System.out.println("Action performed " + s);
        if (s.equals("ConnectOk")) {
            finishCreate();
        } else if (s.equals("ConnectCancel")) {
            dispose();
        }
    }

    //    public boolean isFocusTraversable() { return true; }
    public void keyPressed(KeyEvent k) {

        //  System.out.println("Key pressed: " + k.getKeyCode());
        if (k.getKeyCode() == KeyEvent.VK_ENTER) {
            finishCreate();
        } else if (k.getKeyCode() == KeyEvent.VK_ESCAPE) {
            dispose();
        }
    }

    public void keyTyped(KeyEvent k) {}

    public void keyReleased(KeyEvent k) {}

    /**
     * Method declaration
     *
     *
     * @param ev
     */
    public void windowClosing(WindowEvent ev) {

        //  System.out.println("windowClosing");
    }

    /**
     * Method declaration
     *
     *
     */
    protected void finishCreate() {

        try {
            mConnection = createConnection(mDriver.getText(), mURL.getText(),
                                           mUser.getText(),
                                           mPassword.getText());

            dispose();
        } catch (Exception e) {
            e.printStackTrace();
            mError.setText(e.toString());
        }
    }

    /**
     * Method declaration
     *
     *
     * @param owner
     * @param title
     */
    public static Connection createConnection(Frame owner, String title,
            Insets defInsets) {

        ZaurusConnectionDialog dialog = new ZaurusConnectionDialog(owner,
            title);

        dialog.create(defInsets);

        return dialog.mConnection;
    }

    /**
     * Method declaration
     *
     *
     * @param e
     */
    public void itemStateChanged(ItemEvent e) {

        String s = (String) e.getItem();

        for (int i = 0; i < sJDBCTypes.length; i++) {
            if (s.equals(sJDBCTypes[i][0])) {
                mDriver.setText(sJDBCTypes[i][1]);
                mURL.setText(sJDBCTypes[i][2]);
            }
        }
    }
}