(Swift 2) Refinitiv World-Check One - Get Top Level Groups

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Sends a signed GET request to get the top level groups.

Note: This example requires Chilkat v9.5.0.89 or later.

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func chilkatTest() {
    // This example assumes the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    let json = CkoJsonObject()
    var success: Bool

    // Create the following JSON:
    // 
    // {
    //   "keyId": "aaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee",
    //   "hmacKey": "xxxxzI3vi58xxxCBxxx1+P/d8tGxx7KuLqN/KMPNxxxxekhj8/bx83+1YQSUxxxxYyv939ceY06GvhYRKmxxxx==",
    //   "algorithm": "hmac-sha256",
    //   "headers": [
    //     "(request-target)",
    //     "host",
    //     "date"
    //   ]
    // }

    // Substitute your actual API key and API secret in place of "api-key" and "api-secret"
    json.UpdateString("keyId", value: "api-key")
    json.UpdateString("hmacKey", value: "api-secret")
    json.UpdateString("algorithm", value: "hmac-sha256")
    // Indicate the names of the headers to be included in the signature.
    // "(request-target)" is not actually a header name, but is a special name for HTTP signatures.
    // Copy the following three lines of code exactly as-is.  
    // Do not replace "host", "date", or "(request-target)" with values.
    json.UpdateString("headers[0]", value: "(request-target)")
    json.UpdateString("headers[1]", value: "host")
    json.UpdateString("headers[2]", value: "date")

    let http = CkoHttp()

    // Setting the AuthSignature property causes the following header to be computed and added:
    // Authorization: Signature keyId="...", algorithm="hmac-sha256", headers="(request-target) host date", signature="..."
    http.AuthSignature = json.Emit()

    http.SetRequestHeader("Cache-Control", value: "no-cache")

    // Chilkat will auto-add the Date header because it's needed by the HTTP Signature.

    var responseJson: String? = http.QuickGetStr("https://api-worldcheck.refinitiv.com/v2/groups")
    if http.LastMethodSuccess == false {
        print("\(http.LastErrorText)")
        return
    }

    print("\(responseJson!)")
    print("----")
    // A 200 status code indicates success.
    print("Status code = \(http.LastStatus.intValue)")

    // Successful JSON looks like this:
    // [ 
    //   {
    //   "id": "...",
    //   "name": "Company Name",
    //   "parentId": null,
    //   "hasChildren": false,
    //   "status": "ACTIVE",
    //   "children": []
    //   }
    // ]

    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    let jarr = CkoJsonArray()

    success = jarr.Load(responseJson)

    var jsonObj: CkoJsonObject?
    var id: String?
    var name: String?
    var parentId: String?
    var hasChildren: Bool
    var status: String?
    var j: Int
    var count_j: Int

    var i: Int = 0
    var count_i: Int = jarr.Size.intValue
    while i < count_i {
        jsonObj = jarr.ObjectAt(i)
        id = jsonObj!.StringOf("id")
        name = jsonObj!.StringOf("name")
        parentId = jsonObj!.StringOf("parentId")
        hasChildren = jsonObj!.BoolOf("hasChildren")
        status = jsonObj!.StringOf("status")
        j = 0
        count_j = jsonObj!.SizeOfArray("children").intValue
        while j < count_j {
            jsonObj.J = j
            j = j + 1
        }

        jsonObj = nil
        i = i + 1
    }


}