/* * Copyright (c) 2008, 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. */ import javax.script.*; /** * Helper class to consolidate testing requirements for a js engine. * A js engine is required as part of Oracle's product JDK. */ public class Helper { private Helper() {}; // Don't instantiate public static ScriptEngine getJsEngine(ScriptEngineManager m) { ScriptEngine e = m.getEngineByName("nashorn"); if (e == null && System.getProperty("java.runtime.name").startsWith("Java(TM)")) { // A js engine is requied for Sun's product JDK throw new RuntimeException("no js engine found"); } return e; } }