nashorn/samples/check_nashorn.js
author hseigel
Wed, 01 Mar 2017 08:00:02 -0500
changeset 46194 5596e6f63072
parent 32523 d8e365854b3c
permissions -rw-r--r--
8172307: Remove ununsed JVM API JVM_GetModuleByPackageName() Summary: Remove get_module_by_package_name() etc., and unneeded test. Reviewed-by: sspitsyn, gtriantafill
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/*
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 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 *   - Redistributions of source code must retain the above copyright
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 *     notice, this list of conditions and the following disclaimer.
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 *
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 *   - Redistributions in binary form must reproduce the above copyright
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 *     notice, this list of conditions and the following disclaimer in the
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 *     documentation and/or other materials provided with the distribution.
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 *
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 *   - Neither the name of Oracle nor the names of its
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 *     contributors may be used to endorse or promote products derived
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 *     from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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// check if script is being run using nashorn script engine
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function isNashorn() {
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  try {
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    // "engine" variable is of type javax.script.ScriptEngine is defined
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    // by nashorn jsr-223 engine. Check the name of the engine from
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    // javax.script.ScriptEngineFactory associated
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    return engine.factory.engineName.contains("Nashorn");
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  } catch (e) {
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    // if engine or any of the properties are undefined
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    // then script is not being run using nashorn.
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    return false;
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  }
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}