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HSQLDB - Lightweight 100% Java SQL Database Engine
/* Copyright (c) 2001-2019, 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.
*/
/* Filename: TestHarness.java
* Created on May 18, 2005
* Author: Carl Gould
* Copyright Calmetrics 2005
* Project: HSQLDB_Test
*/
package org.hsqldb.test;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Properties;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowAdapter;
import java.awt.event.WindowEvent;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
/**
* Describe this class
*
* @author Carl
*/
public class TestHarness extends JFrame {
protected String dbURL;
protected JTextArea textArea;
public static void main(String[] args) {
if (args.length == 0) {
args = new String[]{ "testrecovery" };
}
try {
Class.forName("org.hsqldb.jdbc.JDBCDriver");
} catch (Exception e) {
System.out.println("ERROR: failed to load HSQLDB JDBC driver.");
e.printStackTrace();
return;
}
new TestHarness("jdbc:hsqldb:file:" + args[0]);
}
public TestHarness(String url) {
super("HSQLDB Test Harness");
this.dbURL = url;
setDefaultCloseOperation(JFrame.DO_NOTHING_ON_CLOSE);
addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
doClose();
}
});
initComponents();
setSize(400, 400);
setLocation(200, 200);
setVisible(true);
try {
Connection c = getConnection("sa", "password", true);
textArea.setText("Database already exists.");
c.close();
} catch (SQLException e1) {
doCreate();
}
}
protected void initComponents() {
Container main = getContentPane();
textArea = new JTextArea();
JPanel buttons = new JPanel(new FlowLayout());
JButton close = new JButton("Close Gracefully");
close.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
doClose();
}
});
JButton create = new JButton("Add Row");
create.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
doInsert();
}
});
JButton list = new JButton("List Data");
list.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
doListing();
}
});
JButton kill = new JButton("Kill");
kill.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
System.exit(0);
}
});
buttons.add(create);
buttons.add(list);
buttons.add(kill);
buttons.add(close);
main.add(new JScrollPane(textArea), BorderLayout.CENTER);
main.add(buttons, BorderLayout.SOUTH);
}
protected void doInsert() {
try {
Connection con = getConnection("ABCD", "dcba", false);
if (con != null) {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(
"SELECT NEXT VALUE FOR MySeq FROM Dummy");
rs.next();
int id = rs.getInt(1);
stmt.executeUpdate("INSERT INTO MyTable (Id, Name) VALUES ("
+ id + ", 'This is row #" + id + "')");
append("Row #" + id + " added");
stmt.close();
con.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
protected void doListing() {
try {
Connection con = getConnection("ABCD", "dcba", false);
if (con != null) {
Statement stmt = con.createStatement();
ResultSet rs = stmt.executeQuery(
"SELECT * FROM MyTable ORDER BY Id ASC");
append("Listing 'MyTable'....");
while (rs.next()) {
append(" " + rs.getString(1) + ", " + rs.getString(2));
}
append("...done.");
stmt.close();
con.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
}
private void append(String s) {
textArea.setText(textArea.getText() + "\n" + s);
}
protected void doClose() {
try {
Connection con = getConnection("sa", "password", false);
if (con != null) {
Statement stmt = con.createStatement();
stmt.execute("SHUTDOWN");
stmt.close();
con.close();
}
} catch (SQLException e) {
e.printStackTrace();
}
System.exit(0);
}
protected void doCreate() {
try {
Connection con = getConnection("sa", "", false);
if (con != null) {
Statement stmt = con.createStatement();
stmt.execute("SET PASSWORD 'password'");
stmt.execute("CREATE USER abcd PASSWORD 'dcba'");
stmt.execute("CREATE SEQUENCE MySeq");
stmt.execute(
"CREATE TABLE MyTable (Id INT PRIMARY KEY, Name VARCHAR(100) NOT NULL)");
stmt.execute("CREATE TABLE Dummy (Blah VARCHAR(100) NOT NULL)");
stmt.execute(
"INSERT INTO Dummy (Blah) VALUES ('dummy value')");
stmt.execute("GRANT ALL ON MyTable TO abcd");
stmt.execute("GRANT ALL ON Dummy TO abcd");
stmt.execute("GRANT ALL ON SEQUENCE MySeq TO abcd");
stmt.close();
con.close();
textArea.setText("Database created.");
}
} catch (SQLException e) {
e.printStackTrace();
}
}
protected Connection getConnection(String username, String password,
boolean ifExists) throws SQLException {
Properties props = new Properties();
props.put("user", username);
props.put("password", password);
props.put("ifexists", String.valueOf(ifExists));
return DriverManager.getConnection(dbURL, props);
}
}