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/*
* Copyright (c) 2007, 2016, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import javax.swing.*;
import javax.swing.text.*;
import com.sun.javatest.regtest.Main;
/**
* This is a simple GUI framework to wrap around jtreg to test
* that it handles interrupts correctly. Run it with jtreg args,
* or fill in the args in the GUI, then click on Start and sometime
* later, click on Interrupt.
*/
public class InterruptTest
{
public static void main(String... args) {
new InterruptTest().run(args);
}
public void run(String... args) {
JPanel p = new JPanel();
p.setLayout(new BorderLayout());
p.add(createArgsPanel(args), BorderLayout.NORTH);
p.add(createTextPanel(), BorderLayout.CENTER);
p.add(createButtonPanel(), BorderLayout.SOUTH);
JFrame f = new JFrame();
f.setContentPane(p);
f.pack();
f.setVisible(true);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
JPanel createArgsPanel(String... args) {
JPanel p = new JPanel();
p.setLayout(new BorderLayout());
p.add(new JLabel("args: "), BorderLayout.WEST);
argsField = new JTextField(64);
argsField.setText(join(args));
p.add(argsField, BorderLayout.CENTER);
return p;
}
JScrollPane createTextPanel() {
textArea = new JTextArea(30, 64);
return new JScrollPane(textArea);
}
JPanel createButtonPanel() {
final String START = "Start";
final String INTERRUPT = "Interrupt";
ActionListener listener = new ActionListener() {
@Override
public void actionPerformed(ActionEvent e) {
String cmd = e.getActionCommand();
if (cmd.equals(START))
doStart();
else if (cmd.equals(INTERRUPT))
doInterrupt();
}
};
JPanel p = new JPanel();
p.setLayout(new FlowLayout());
JButton start = new JButton("Start");
start.addActionListener(listener);
p.add(start);
JButton interrupt = new JButton("Interrupt");
interrupt.addActionListener(listener);
p.add(interrupt);
return p;
}
synchronized private void doStart() {
final String[] args = argsField.getText().split(" +");
if (worker != null)
log("already started and still running\n");
else {
worker = new Thread() {
@Override
public void run() {
log("jtreg starting\n");
try {
new Main(log, log).run(args);
} catch (Throwable t) {
t.printStackTrace(System.err);
} finally {
done();
}
};
};
worker.start();
}
}
synchronized private void done() {
log("jtreg exited\n");
worker = null;
}
synchronized void doInterrupt() {
if (worker == null)
log("jtreg not running\n");
else {
worker.interrupt();
log("jtreg interrupted\n");
}
}
void log(final String text) {
if (!EventQueue.isDispatchThread()) {
SwingUtilities.invokeLater(new Runnable() {
@Override
public void run() {
log(text);
}
});
return;
}
Document d = textArea.getDocument();
try {
d.insertString(d.getLength(), text, null);
} catch (BadLocationException e) {
e.printStackTrace(System.err);
}
}
private String join(String... args) {
StringBuilder sb = new StringBuilder();
for (String a: args) {
if (sb.length() > 0)
sb.append(" ");
if (a.length() > 0)
sb.append(a);
}
return sb.toString();
}
private JTextField argsField;
private JTextArea textArea;
private Thread worker;
private final PrintWriter log = new PrintWriter(new Writer() {
@Override
public void write(char[] buf, int offset, int length) {
String s = new String(buf, offset, length);
log(s);
}
@Override
public void flush() { }
@Override
public void close() { }
});
}
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