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Java example source code file (engine.js)
The engine.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. */ /** * This script file is executed by script engine at the construction * of the every new Global object. The functions here assume global variables * "context" of type javax.script.ScriptContext and "engine" of the type * jdk.nashorn.api.scripting.NashornScriptEngine. **/ Object.defineProperty(this, "__noSuchProperty__", { configurable: true, enumerable: false, writable: true, value: function (name) { 'use strict'; return engine.__noSuchProperty__(this, context, name); } }); function print() { var writer = context != null? context.writer : engine.context.writer; if (! (writer instanceof java.io.PrintWriter)) { writer = new java.io.PrintWriter(writer); } var buf = new java.lang.StringBuilder(); for (var i = 0; i < arguments.length; i++) { if (i != 0) { buf.append(' '); } buf.append(String(arguments[i])); } writer.println(buf.toString()); } /** * This is C-like printf * * @param format string to format the rest of the print items * @param args variadic argument list */ Object.defineProperty(this, "printf", { configurable: true, enumerable: false, writable: true, value: function (format, args/*, more args*/) { print(sprintf.apply(this, arguments)); } }); /** * This is C-like sprintf * * @param format string to format the rest of the print items * @param args variadic argument list */ Object.defineProperty(this, "sprintf", { configurable: true, enumerable: false, writable: true, value: function (format, args/*, more args*/) { var len = arguments.length - 1; var array = []; if (len < 0) { return ""; } for (var i = 0; i < len; i++) { if (arguments[i+1] instanceof Date) { array[i] = arguments[i+1].getTime(); } else { array[i] = arguments[i+1]; } } array = Java.to(array); return Packages.jdk.nashorn.api.scripting.ScriptUtils.format(format, array); } }); Other Java examples (source code examples)Here is a short list of links related to this Java engine.js source code file: |
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