Swing invoke and wait : Swing Utilities « Swing JFC « Java

Swing invoke and wait

Code from Desktop Java Live Source

URL: http://www.sourcebeat.com/downloads/


import javax.swing.*;
import java.lang.reflect.InvocationTargetException;

public class InvokeAndWaitExample extends JPanel {
    private Thread progressThread;
    private JProgressBar progressBar;
    private boolean keepRunning;

    public InvokeAndWaitExample() {
        this.keepRunning = true;
        this.progressThread = new ProgressThread();

        this.progressBar = new JProgressBar();


    private class ProgressThread extends Thread {
        public void run() {
            int count = 0;
            while (keepRunning) {
                try {
                } catch (InterruptedException e) {

                final int cval = count;
                SwingUtilities.invokeLater(new Runnable() {
                    public void run() {

                if (count == 101) {
                    count = 0;
                } else if (count == 50) {
                    final int[] returnValue = new int[1];
                    try {
                        SwingUtilities.invokeAndWait(new Runnable() {
                            public void run() {
                                returnValue[0] = JOptionPane.showConfirmDialog(progressBar, "Would you like to reset progress?", "Prompt", JOptionPane.YES_NO_OPTION);
                        if (returnValue[0] == JOptionPane.YES_OPTION) {
                            count = 0;
                    } catch (InterruptedException e) {
                    } catch (InvocationTargetException e) {

    public static void main(String[] a){
      JFrame f = new JFrame();
      f.add(new InvokeAndWaitExample());


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