nashorn/samples/engine/callfunc.js
author duke
Wed, 05 Jul 2017 23:01:50 +0200
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Merge
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/*
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 * Copyright (c) 2014, 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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// simple example showing how to call a global script
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// function from caller
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var ScriptEngineManager = Java.type("javax.script.ScriptEngineManager");
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// create manager
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var manager = new ScriptEngineManager();
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// create engine
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var engine = manager.getEngineByName("js");
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// eval code!
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engine.eval("function func(name) { print('I am func, hello ' + name) }");
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// invoke functions, methods of code evaluated by engine
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// from javax.script.Invocable interface. But, hey,
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// calling code is JavaScript and don't worry about types :)
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engine.invokeFunction("func", "Nashorn");