Java example source code file (bootstrap.js)

This example Java source code file (bootstrap.js) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

javafx, scripts, stage

The bootstrap.js Java example source code

/*
 * Copyright (c) 2010, 2013, 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.
 */

// Check for fx presence.
if (typeof javafx.application.Application != "function") {
    print("JavaFX is not available.");
    exit(1);
}

// Extend the javafx.application.Application class overriding init, start and stop.
com.sun.javafx.application.LauncherImpl.launchApplication((Java.extend(javafx.application.Application, {
    // Overridden javafx.application.Application.init();
    init: function() {
        // Java FX packages and classes must be defined here because
        // they may not be viable until launch time due to clinit ordering.
    },

    // Overridden javafx.application.Application.start(Stage stage);
    start: function(stage) {
        // Set up stage global.
        $STAGE = stage;

        // Load user FX scripts.
        for each (var script in $SCRIPTS) {
            load(script);
        }

        // Call the global init function if present.
        if ($GLOBAL.init) {
            init();
        }

        // Call the global start function if present.  Otherwise show the stage.
        if ($GLOBAL.start) {
            start(stage);
        } else {
            stage.show();
        }
    },

    // Overridden javafx.application.Application.stop();
    stop: function() {
        // Call the global stop function if present.
        if ($GLOBAL.stop) {
            stop();
        }
    }

    // No arguments passed to application (handled thru $ARG.)
})).class, new (Java.type("java.lang.String[]"))(0));