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Experimental components for JavaFX 2
There is a newer version: 9.0-r1
/**
 * PlatformUtil.java
 *
 * Copyright (c) 2011-2015, JFXtras
 * 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 organization 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  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 jfxtras.labs.util;

import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;

import javafx.application.Platform;

/**
 * Created by Tom Eugelink on 26-12-13.
 */
public class PlatformUtil {

	/**
	 * Invokes a Runnable in JFX Thread and waits while it's finished. Like
	 * SwingUtilities.invokeAndWait does for EDT.
	 *
	 * @param runnable
	 *            The Runnable that has to be called on JFX thread.
	 */
	static public void runAndWait(final Runnable runnable) {
		try {
			FutureTask future = new FutureTask(runnable, null);
			Platform.runLater(future);
			future.get();
		}
		catch (InterruptedException | ExecutionException e) {
			throw new RuntimeException(e);
		}
	}

	/**
	 * Invokes a Callable in JFX Thread and waits while it's finished. Similar to SwingUtilities.invokeAndWait.
	 *
	 * @param callable
	 *            The Runnable that has to be called on JFX thread.
	 * @return the result of callable.call();
	 */
	static public  V runAndWait(final Callable callable) throws InterruptedException, ExecutionException {
		FutureTask future = new FutureTask<>(callable);
		Platform.runLater(future);
		return future.get();
	}
}