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

loJson = createobject("CkJsonObject")

// 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"
loJson.UpdateString("keyId","api-key")
loJson.UpdateString("hmacKey","api-secret")
loJson.UpdateString("algorithm","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.
loJson.UpdateString("headers[0]","(request-target)")
loJson.UpdateString("headers[1]","host")
loJson.UpdateString("headers[2]","date")

loHttp = createobject("CkHttp")

// 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="..."
loHttp.AuthSignature = loJson.Emit()

loHttp.SetRequestHeader("Cache-Control","no-cache")

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

lcResponseJson = loHttp.QuickGetStr("https://api-worldcheck.refinitiv.com/v2/groups")
if (loHttp.LastMethodSuccess = .F.) then
    ? loHttp.LastErrorText
    release loJson
    release loHttp
    return
endif

? lcResponseJson
? "----"
// A 200 status code indicates success.
? "Status code = " + str(loHttp.LastStatus)

// 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

loJarr = createobject("CkJsonArray")

llSuccess = loJarr.Load(lcResponseJson)

i = 0
lnCount_i = loJarr.Size
do while i < lnCount_i
    loJsonObj = loJarr.ObjectAt(i)
    lcId = loJsonObj.StringOf("id")
    lcName = loJsonObj.StringOf("name")
    lcParentId = loJsonObj.StringOf("parentId")
    llHasChildren = loJsonObj.BoolOf("hasChildren")
    lcStatus = loJsonObj.StringOf("status")
    j = 0
    lnCount_j = loJsonObj.SizeOfArray("children")
    do while j < lnCount_j
        loJsonObj.J = j
        j = j + 1
    enddo
    release loJsonObj
    i = i + 1
enddo


release loJson
release loHttp
release loJarr