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I have this JSON code:
{ "A": { "AB": [{ "ABA": "0", "ABB": "1", "ABC": "2" }] } } I need to use a JSONPath expression that returns that JSON with only ABA and ABC attributes. Something like:
{ "A": { "AB": [{ "ABA": "0", "ABC": "2" }] } } So far I manage to extract either one or all attributes. For example
$.A.AB[*] or
$.A.AB[*].ABA Is there a way to extract only two?
Thanks
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JSONPath creates a uniform standard and syntax to define different parts of a JSON document. JSONPath defines expressions to traverse through a JSON document to reach to a subset of the JSON. This topic is best understood by seeing it in action. We have created a web page which can help you evaluate a JSONPath.
JSONPath is a query language for JSON, similar to XPath for XML. It allows you to select and extract data from a JSON document. You use a JSONPath expression to traverse the path to an element in the JSON structure.
A JsonPath expression begins with the dollar sign ( $ ) character, which refers to the root element of a query. The dollar sign is followed by a sequence of child elements, which are separated via dot (code) notation or via the square brackets (code).
JsonPath is to JSON what XPATH is to XML, a simple way to extract parts of a given document. JsonPath is available in many programming languages such as Javascript, Python and PHP. JsonPath allows you to compile a json path string to use it many times or to compile and apply in one single on demand operation.
This will work using the Jayway implementation (Java):
$.A.AB[*]['ABB', 'ABA'] and the result for your input would be:
[ { "ABB" : "1", "ABA" : "0" } ] You can Compare different providers here:
http://jsonpath.herokuapp.com/
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