Nested Evaluation Test in Nashorn

ScriptEngineTest-NestedEval

import java.util.LinkedHashMap;
import java.util.Map;

import javax.script.Bindings;
import javax.script.ScriptException;

public class ScriptEngineTest {

	public static void main(String[] args) throws ScriptException {
		javax.script.ScriptEngineManager engineManager = new javax.script.ScriptEngineManager();		
		javax.script.ScriptEngine scriptEngine = engineManager.getEngineByName("nashorn");
		
		Bindings b = scriptEngine.createBindings();
		
		scriptEngine.eval("this[\"obj-js\"] = { \"key1\": { \"key2\" : { \"key3\": \"value-from-js-1-2-3\" } } }", b);
		
		
		Map<String, Object> m1 = new LinkedHashMap<>();
		b.put("obj-java", m1);

		Map<String, Object> m2 = new LinkedHashMap<>();
		m1.put("key1", m2);
		
		Map<String, Object> m3 = new LinkedHashMap<>();
		m2.put("key2", m3);
		
		Object val = "value-from-java-1-2-3";
		m3.put("key3", val);
		
		Object o;
		
		o = scriptEngine.eval("this[\"obj-js\"].key1.key2.key3", b);
		System.out.println(o);
		
		o = scriptEngine.eval("this[\"obj-java\"].key1.key2.key3", b);
		System.out.println(o);
		
		

		

		
	}
	
}