package com.winterbe.java8;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
import java.io.FileReader;
import java.time.LocalDateTime;
import java.util.Date;
/**
* Calling javascript functions from java with nashorn.
*
* @author Benjamin Winterberg
*/
public class Nashorn1 {
public static void main(String[] args) throws Exception {
ScriptEngine engine = new ScriptEngineManager().getEngineByName("nashorn");
engine.eval(new FileReader("res/nashorn1.js"));
Invocable invocable = (Invocable) engine;
Object result = invocable.invokeFunction("fun1", "Peter Parker");
System.out.println(result);
System.out.println(result.getClass());
invocable.invokeFunction("fun2", new Date());
invocable.invokeFunction("fun2", LocalDateTime.now());
invocable.invokeFunction("fun2", new Person());
}
}