InvokeScriptMethod.java revision 67:5c2ed5d89524 
1/*
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30 */
31
32import javax.script.*;
33
34public class InvokeScriptMethod {
35    public static void main(String[] args) throws Exception {
36        ScriptEngineManager manager = new ScriptEngineManager();
37        ScriptEngine engine = manager.getEngineByName("nashorn");
38
39        // JavaScript code in a String. This code defines a script object 'obj'
40        // with one method called 'hello'.
41        String script = "var obj = new Object(); obj.hello = function(name) { print('Hello, ' + name); }";
42        // evaluate script
43        engine.eval(script);
44
45        // javax.script.Invocable is an optional interface.
46        // Check whether your script engine implements or not!
47        // Note that the JavaScript engine implements Invocable interface.
48        Invocable inv = (Invocable) engine;
49
50        // get script object on which we want to call the method
51        Object obj = engine.get("obj");
52
53        // invoke the method named "hello" on the script object "obj"
54        inv.invokeMethod(obj, "hello", "Script Method !!" );
55    }
56}
57