src/main/java/com/github/mjeanroy/springmvc/view/mustache/commons/NashornUtils.java
public static ScriptEngine getEngine(Collection<InputStream> scripts) {
		ScriptEngine engine = getEngine();

		for (InputStream script : scripts) {
			evaluate(engine, script);
		}

		return engine;
	}
public static ScriptEngine getEngine(Collection<InputStream> scripts) {
		ScriptEngine engine = getEngine();

		for (InputStream script : scripts) {
			evaluate(engine, script);
		}

		return engine;
	}
Get new nashorn engine.

@param scripts List of scripts to evaluate.
@return Nashorn Engine.