nashorn/samples/EvalWithArbitraryThis.java
author bpb
Wed, 06 Jan 2016 10:15:37 -0800
changeset 34886 f3ee5206aa01
parent 32523 d8e365854b3c
permissions -rw-r--r--
8146041: java.net.URLConnection.guessContentTypeFromStream() does not recognize TIFF streams Summary: Add detection of TIFF magic numbers. Reviewed-by: rriggs, chegar

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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)");
    }
}