pass java objects to javascript functions

winterbe · winterbe · commit a6168ecd5ec9 · 2014-03-31T17:48:34.000+02:00
diff --git a/res/nashorn1.js b/res/nashorn1.js
@@ -1,4 +1,8 @@
-var fun = function(name) {
+var fun1 = function(name) {
     print('Hi there from Javascript, ' + name);
     return "greetings from javascript";
+};
+
+var fun2 = function (object) {
+    print("JS Class Definition: " + Object.prototype.toString.call(object));
 };
diff --git a/src/com/winterbe/java8/Nashorn1.java b/src/com/winterbe/java8/Nashorn1.java
@@ -4,6 +4,8 @@
 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.
@@ -17,8 +19,12 @@ public static void main(String[] args) throws Exception {
         engine.eval(new FileReader("res/nashorn1.js"));
 
         Invocable invocable = (Invocable) engine;
-        Object result = invocable.invokeFunction("fun", "Peter Parker");
+        Object result = invocable.invokeFunction("fun1", "Peter Parker");
         System.out.println(result);
+
+        invocable.invokeFunction("fun2", new Date());
+        invocable.invokeFunction("fun2", LocalDateTime.now());
+        invocable.invokeFunction("fun2", new Person());
     }
 
 }
