Java example source code file (interfaceimpl.js)

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Java - Java tags/keywords

interface, window, windoweventhandler

The interfaceimpl.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.
 * 
 * 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 that user defined interface can be implemented.
 *
 * @test
 * @run
 * @security
 */

var Window = Java.type("jdk.nashorn.api.scripting.Window");
var WindowEventHandler = Java.type("jdk.nashorn.api.scripting.WindowEventHandler");

var w = new Window();

var loadedFuncReached = false;
// try function to SAM converter
w.onload = function() {
    loadedFuncReached = true;
    return true;
}

w.onload.loaded();
if (! loadedFuncReached) {
    fail("Interface method impl. not called");
}

// reset
loadedFuncReached = false;

// try direct interface implementation
w.onload = new WindowEventHandler() {
    loaded: function() {
        loadedFuncReached = true;
        return true;
    }
};

w.onload.loaded();
if (! loadedFuncReached) {
    fail("Interface method impl. not called");
}