view nashorn/samples/EvalWithArbitraryThis.java.orig @ 32523:d8e365854b3c

8135054: Add more samples to nashorn samples directory Reviewed-by: mhaupt, hannesw
author sundar
date Fri, 04 Sep 2015 17:11:06 +0530
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/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 *
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 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   - Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   - Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *
 *   - Neither the name of Oracle nor the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
 * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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 */

import javax.script.*;
import jdk.nashorn.api.scripting.*;

// Simple nashorn demo that evals a script with arbitrary script
// object bound as "this" for the evaluated script.

public class EvalWithArbitraryThis {
    public static void main(String[] args) throws Exception {
        ScriptEngineManager m = new ScriptEngineManager();
        ScriptEngine e = m.getEngineByName("nashorn");
        Object sobj = e.eval("( { foo: 343, bar: 'hello' } )");

        // "this" bound to sobj in this eval.
        // so it prints sobj.foo and sobj.bar.
        ((ScriptObjectMirror)sobj).eval("print(this.foo); print(this.bar)");
    }
}