nashorn/samples/EvalWithArbitraryThis.java
author bchristi
Fri, 08 Jan 2016 13:14:30 -0800
changeset 34934 7fbff68dbc12
parent 32523 d8e365854b3c
permissions -rw-r--r--
8144552: java/lang/StackWalker/LocalsAndOperands.java fails with java.lang.NullPointerException Summary: Update test case to expect null Reviewed-by: mchung, dfuchs
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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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import javax.script.*;
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import jdk.nashorn.api.scripting.*;
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// Simple nashorn demo that evals a script with arbitrary script
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// object bound as "this" for the evaluated script.
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public class EvalWithArbitraryThis {
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    public static void main(String[] args) throws Exception {
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        ScriptEngineManager m = new ScriptEngineManager();
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        ScriptEngine e = m.getEngineByName("nashorn");
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        Object sobj = e.eval("( { foo: 343, bar: 'hello' } )");
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        // "this" bound to sobj in this eval.
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        // so it prints sobj.foo and sobj.bar.
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        ((ScriptObjectMirror)sobj).eval("print(this.foo); print(this.bar)");
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    }
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}