eungjun-yi · July 29, 2015 08:55 · Jul 29, 2015
diff --git a/Markdown.java b/Markdown.java
@@ -0,0 +1,24 @@
+// Try to render and wait at most 5 seconds.
+final String[] rendered = new String[1];  
+@SuppressWarnings("deprecation")
+Thread marked = new Thread() {  
+    @Override
+    public void run() {
+        try {
+            rendered[0] = (String) ((Invocable) engine).invokeFunction(
+                    "marked", source, options);
+        } catch (Exception e) {
+            play.Logger.error("[Markdown] Failed to render: " + source, e);
+        }
+    }
+};
+marked.start();  
+marked.join(5000);
+
+if (rendered[0] == null) {  
+    // This is the only way to stop the script engine. Thread.interrupt does not work.
+    marked.stop();
+    return "〈pre〉" + StringEscapeUtils.escapeHtml(source) + "〈/pre〉";
+} else {
+    return rendered[0];
+}