Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

import java.util.concurrent.ExecutionException;

import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import javafx.application.Platform;

public class Main {
    /**
     * like Platform.runLater but waits until the thread has finished
     * based on: http://www.guigarage.com/2013/01/invokeandwait-for-javafx/
     * @param r the runnable to run in a JavaFX thread
     */
    public static void platformRunAndWait(final Runnable r) throws Throwable {
        if (Platform.isFxApplicationThread()) {
            try {
                r.run();
            } catch (Exception e) {
                throw new ExecutionException(e);
            }
        } else {
            final Lock lock = new ReentrantLock();
            final Condition condition = lock.newCondition();
            final boolean[] done = { false };
            // to get around the requirement for final
            final Throwable[] ex = { null };
            lock.lock();
            try {

                Platform.runLater(() -> {
                    lock.lock();
                    try {
                        r.run();
                    } catch (Throwable e) {
                        ex[0] = e;
                    } finally {
                        try {
                            done[0] = true;
                            condition.signal();
                        } finally {
                            lock.unlock();
                        }
                    }
                });

                while (!done[0])
                    condition.await();

                if (ex[0] != null) {
                    // re-throw exception from the runLater thread
                    throw ex[0];
                }
            } finally {
                lock.unlock();
            }
        }
    }

    public static void runLater(final Runnable r) {
        Thread t = new Thread(r, "ThreadUtils.runLater-Thread");
        t.setDaemon(true);
        t.start();
    }
}