In ESB How to check if a key exists in json response

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I'm new to ESB proxy services, I'm getting JSON response from a Google service, I need to check if a specific key exists in the response, i.e. In the following json, { "kind":"$$$$", "totalItems":0 }

I need to check if totalItems exists in the response and I want to filter this in proxy-service itself. Thanks in advance


You can use a JSON path expression as given here. //totalItems Depending on your usecase you nay use Filter mediator with the above JSON path expression for your filter.

In ESB How to check if a key exists in json response - json - html, I'm new to ESB proxy services, I'm getting JSON response from a Google service, I need to check if a specific key exists in the response, i.e. In the following json,  Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question.Provide details and share your research! But avoid …. Asking for help, clarification, or responding to other answers.


you can try to assign value to a property and after that string length can be check.

<property expression="json-eval(json-eval($.key)" name="isDataFound"
        scope="default" type="STRING" xmlns:ns="http://org.apache.synapse/xsd"/>
  <filter xmlns:ns="http://org.apache.synapse/xsd" xpath="string-length($ctx:isDataFound)>0">
        <then/>

<else/>
</filter>

How to check if a key element exists and if present update it?, In the json response from this backend rest service. I need to check if a particular element exists inside muliple multiple elements of an array and wherever it  To access the values you should convert the JSON string into a python dictionary by using ‘json.loads()’ method after importing the ‘json’ module. Then you can check whether a key exists in the dictionary or not and if it exists, you can access the value.


The following works on WSO2 EI 6.1.1. Use the filter mediator.

<filter xpath="//jsonObject/totalItems">

JavaScript, Given a JSON Object, the task is to check whether a key exists in Object or not using JavaScript. We're going to discuss few methods. hasOwnProperty() i am not planning to use the whole restassured lib, nor make any rest request. just wanted to just the jsonpath in order to validate a json that I already have. Also, I don't know the json and the "key" to check should be configurable, so the above solution won't work for me, unfortunately.


Python Check if key exists in JSON and iterate the JSON array, In this case, we need to be sure that value is present for a key, and if it is none or not present, we use the default value. Example to check if there  You don’t need jquery for this. The below function will take object and the key as inputs and returns true if key exists. function keyExists(obj, key){return (obj[key])? true : false;} You can optionally use forin loop if the object contains child objects.


Working with JSON Message Payloads, The ESB Profile of WSO2 Enterprise Integrator (WSO2 EI) provides support for If the original JSON payload is of type object , the special element is <jsonObject/​> . can reconstruct the arrays that are present in the original JSON payload. manner when they appear as the first character of a JSON key. Your function does the exact opposite of what the name is, but the way to fix your function is to add ( and ) around the some_json->outer_key. Here is it fully functioning, and matching the name of your function (notice the NOT in front of the NULL). CREATE FUNCTION key_exists(some_json


How to Parse JSON Responses in Katalon Studio, Verify If a Key Is Present in JSON. If you want to verify if a selected key is present in a JSON response, you can use the similar code as below:. Extract variables from json how to check if element exists I am interacting with a third party service and I get the following responses : if token valid 200 response