Enhance insert-field-action.kamelet

- Support simple language parsed value
- Minor typo fix

kamelets/insert-field-action.kamelet.yaml

@@ -33,7 +33,7 @@ spec:
     description: |-
       Adds a custom field with a simple language parsed value to the message in transit.
 
-      The extract field action expected an application/json content type.
+      The insert field action expected an application/json content type.
 
       If for example you have an array like '{ "foo":"John", "bar":30 }' and your action has been configured with field as 'element' and value as 'hello', you'll get '{ "foo":"John", "bar":30, "element":"hello" }'
     required:

library/camel-kamelets-utils/src/main/java/org/apache/camel/kamelets/utils/transform/InsertField.java

@@ -22,6 +22,7 @@
 import org.apache.camel.Exchange;
 import org.apache.camel.InvalidPayloadException;
 import org.apache.camel.Processor;
+import org.apache.camel.support.LanguageSupport;
 
 public class InsertField implements Processor {
 
@@ -51,15 +52,22 @@ public void process(Exchange ex) throws InvalidPayloadException {
             throw new InvalidPayloadException(ex, JsonNode.class);
         }
 
+        String resolvedValue;
+        if (LanguageSupport.hasSimpleFunction(value)) {
+            resolvedValue = ex.getContext().resolveLanguage("simple").createExpression(value).evaluate(ex, String.class);
+        } else {
+            resolvedValue = value;
+        }
+
         switch (body.getNodeType()) {
             case ARRAY:
-                ((ArrayNode) body).add(value);
+                ((ArrayNode) body).add(resolvedValue);
                 break;
             case OBJECT:
-                ((ObjectNode) body).put(field, value);
+                ((ObjectNode) body).put(field, resolvedValue);
                 break;
             default:
-                ((ObjectNode) body).put(field, value);
+                ((ObjectNode) body).put(field, resolvedValue);
                 break;
         }