Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2002, 2010, 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.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * 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 javax.swing.*;

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

public class Main {
    /**
     * Submits a value-returning task for execution on the EDT and
     * returns a Future representing the pending results of the task.
     *
     * @param task the task to submit
     * @return a Future representing pending completion of the task
     * @throws NullPointerException if the task is null
     */
    public static <V> Future<V> submit(Callable<V> task) {
        if (task == null) {
            throw new NullPointerException();
        }
        FutureTask<V> future = new FutureTask<V>(task);
        execute(future);
        return future;
    }

    /**
     * Submits a Runnable task for execution on the EDT and returns a
     * Future representing that task.
     *
     * @param task the task to submit
     * @param result the result to return upon successful completion
     * @return a Future representing pending completion of the task,
     *         and whose <tt>get()</tt> method will return the given
     *         result value upon completion
     * @throws NullPointerException if the task is null
     */
    public static <V> Future<V> submit(Runnable task, V result) {
        if (task == null) {
            throw new NullPointerException();
        }
        FutureTask<V> future = new FutureTask<V>(task, result);
        execute(future);
        return future;
    }

    /**
     * Sends a Runnable to the EDT for the execution.
     */
    private static void execute(Runnable command) {
        SwingUtilities.invokeLater(command);
    }
}