PowerBuilder

Refinitiv World-Check One - Get Top Level Groups

See more Refinitiv Examples

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

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

PowerBuilder

integer li_rc
integer li_Success
oleobject loo_Json
oleobject loo_Http
string ls_ResponseJson
oleobject loo_Jarr
oleobject loo_JsonObj
string ls_Id
string ls_Name
string ls_ParentId
integer li_HasChildren
string ls_Status
integer j
integer li_Count_j
integer i
integer li_Count_i

li_Success = 0

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

loo_Json = create oleobject
li_rc = loo_Json.ConnectToNewObject("Chilkat.JsonObject")
if li_rc < 0 then
    destroy loo_Json
    MessageBox("Error","Connecting to COM object failed")
    return
end if

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

loo_Http = create oleobject
li_rc = loo_Http.ConnectToNewObject("Chilkat.Http")

// 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="..."
loo_Http.AuthSignature = loo_Json.Emit()

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

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

ls_ResponseJson = loo_Http.QuickGetStr("https://api-worldcheck.refinitiv.com/v2/groups")
if loo_Http.LastMethodSuccess = 0 then
    Write-Debug loo_Http.LastErrorText
    destroy loo_Json
    destroy loo_Http
    return
end if

Write-Debug ls_ResponseJson
Write-Debug "----"
// A 200 status code indicates success.
Write-Debug "Status code = " + string(loo_Http.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

loo_Jarr = create oleobject
li_rc = loo_Jarr.ConnectToNewObject("Chilkat.JsonArray")

li_Success = loo_Jarr.Load(ls_ResponseJson)

i = 0
li_Count_i = loo_Jarr.Size
do while i < li_Count_i
    loo_JsonObj = loo_Jarr.ObjectAt(i)
    ls_Id = loo_JsonObj.StringOf("id")
    ls_Name = loo_JsonObj.StringOf("name")
    ls_ParentId = loo_JsonObj.StringOf("parentId")
    li_HasChildren = loo_JsonObj.BoolOf("hasChildren")
    ls_Status = loo_JsonObj.StringOf("status")
    j = 0
    li_Count_j = loo_JsonObj.SizeOfArray("children")
    do while j < li_Count_j
        loo_JsonObj.J = j
        j = j + 1
    loop
    destroy loo_JsonObj
    i = i + 1
loop


destroy loo_Json
destroy loo_Http
destroy loo_Jarr