JSON to JSON transformer

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Try JOLT. It is a JSON to JSON transformation library written in Java. It was created on a project that was transforming lot of JSON from an ElasticSearch “backend” to a frontend api.

For the JSON transform you have listed in your problem, the Jolt “shift” spec would be :

// Jolt "shift" spec
{
    "OldObject": {
        "Time": "NewObject.Time",   
        "Name": "NewObject.Title", // if the input has "OldObject.Name", copy it's value
                                   // to "NewObject.Title
        "quantity": "NewObject.quantity"
    }
}

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