Convert JSON to JSON-LD

Hi everybody,


I’m currently try to convert JSON messages from 3rd party APIs to JSON-LD
format and keep backward compatibility with clients that uses old JSON
structure.

For example:

Plain JSON object:

{

  "response": {

    "count": 2,

    "items": [

      {

        "id": 638865,

        "first_name": "Emma",

        "last_name": "Stone"

      },

      {

        "id": 1053682,

        "first_name": "Emma",

        "last_name": "Watson"

      }

    ]

  }

}


JSON-LD object:

{

  "@context": "/api/contexts/Person",

  "@id": "/api/friends",

  "@type": "http://www.w3.org/ns/hydra/core#collection"

  "response": {

    "count": 2,

    "items": [

      {

        "@id": "/api/person/638865",

        "@type": "http://schema.org/Person"

        "id": 638865,

        "first_name": "Emma",

        "last_name": "Stone"

      },

      {

        "@id": "/api/person/1053682",

        "@type": "http://schema.org/Person",

        "id": 1053682,

        "first_name": "Emma",

        "last_name": "Watson"

      }

    ]

  }

}



As you can see, I just added top level @context, @id and @type to root JSON
object and inner JSON objects. These changes will not harm existing clients
that uses old JSON structure and they can keep working as before. It’s
looks ok.



But Image I have the following plain JSON array as top level JSON object.

[

      {

        "id": 638865,

        "first_name": "Emma",

        "last_name": "Stone"

      },

      {

        "id": 1053682,

        "first_name": "Emma",

        "last_name": "Watson"

      }

]



So, my question is: How can I convert JSON message to JSON-LD format when
source JSON message represented as JSON array?

As described in JSON-LD specs we can add @context as HTTP Link Header using
the http://www.w3.org/ns/json-ld#context link relation. Ok, but where I
should define @type and @id for JSON object?

-- 
Best regards, Surinov Alexander