Validating Null Values of a JSON Message in Camel

Solution Unverified - Updated -

Issue

  • The example given for using JSonPath in http://camel.apache.org/jsonpath.html does not work as expected. For example, the following syntax does not filter the books according to their prices:
<jsonpath>$.store.book[?(@.price < 10)]</jsonpath>
  • I want to validate if the value of an element in a JSON message is null. Please provide the syntax that can be used in a Camel route for validating null elements.

Environment

  • Red Hat JBoss Fuse
    • 6.x

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