Bambda: Extract JSON data from WebSocket message, add it to Notes

Proxy/WS/ExtractPayloadToNotes.bambda

@@ -0,0 +1,25 @@
+/**
+ * Extracts JSON elements from the WebSocket message and displays it in the "Notes" column of the WebSocket History tab
+ *
+ * @author Nick Coblentz (https://github.com/ncoblentz)
+ * 
+ **/
+
+//The bambda will search for json elements with the following keys. The keys below are just examples. Add the keys you want to include here:
+List<String> terms = List.of("target","error");
+
+if (!message.annotations().hasNotes()) {
+  StringBuilder builder = new StringBuilder();
+  String payload = utilities().byteUtils().convertToString(message.payload().getBytes());  
+  terms.forEach(term -> {
+    Matcher m = Pattern.compile("\"" + term + "\":\"([^\"]+)\"", Pattern.CASE_INSENSITIVE).matcher(payload);
+    while (m.find() && m.groupCount() > 0) {
+      for (int i = 1; i <= m.groupCount(); i++) {
+        if (m.group(i) != null)
+          builder.append(term + ": " + m.group(i) + " ");
+      }
+    }
+  });
+  message.annotations().setNotes(builder.toString());
+}
+return true;