Unicode C

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.

Unicode C

#include <C_CkJsonObjectW.h>
#include <C_CkHttpW.h>
#include <C_CkJsonArrayW.h>

void ChilkatSample(void)
    {
    BOOL success;
    HCkJsonObjectW json;
    HCkHttpW http;
    const wchar_t *responseJson;
    HCkJsonArrayW jarr;
    HCkJsonObjectW jsonObj;
    const wchar_t *id;
    const wchar_t *name;
    const wchar_t *parentId;
    BOOL hasChildren;
    const wchar_t *status;
    int j;
    int count_j;
    int i;
    int count_i;

    success = FALSE;

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

    json = CkJsonObjectW_Create();

    // 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"
    CkJsonObjectW_UpdateString(json,L"keyId",L"api-key");
    CkJsonObjectW_UpdateString(json,L"hmacKey",L"api-secret");
    CkJsonObjectW_UpdateString(json,L"algorithm",L"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.
    CkJsonObjectW_UpdateString(json,L"headers[0]",L"(request-target)");
    CkJsonObjectW_UpdateString(json,L"headers[1]",L"host");
    CkJsonObjectW_UpdateString(json,L"headers[2]",L"date");

    http = CkHttpW_Create();

    // 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="..."
    CkHttpW_putAuthSignature(http,CkJsonObjectW_emit(json));

    CkHttpW_SetRequestHeader(http,L"Cache-Control",L"no-cache");

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

    responseJson = CkHttpW_quickGetStr(http,L"https://api-worldcheck.refinitiv.com/v2/groups");
    if (CkHttpW_getLastMethodSuccess(http) == FALSE) {
        wprintf(L"%s\n",CkHttpW_lastErrorText(http));
        CkJsonObjectW_Dispose(json);
        CkHttpW_Dispose(http);
        return;
    }

    wprintf(L"%s\n",responseJson);
    wprintf(L"----\n");
    // A 200 status code indicates success.
    wprintf(L"Status code = %d\n",CkHttpW_getLastStatus(http));

    // 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

    jarr = CkJsonArrayW_Create();

    success = CkJsonArrayW_Load(jarr,responseJson);

    i = 0;
    count_i = CkJsonArrayW_getSize(jarr);
    while (i < count_i) {
        jsonObj = CkJsonArrayW_ObjectAt(jarr,i);
        id = CkJsonObjectW_stringOf(jsonObj,L"id");
        name = CkJsonObjectW_stringOf(jsonObj,L"name");
        parentId = CkJsonObjectW_stringOf(jsonObj,L"parentId");
        hasChildren = CkJsonObjectW_BoolOf(jsonObj,L"hasChildren");
        status = CkJsonObjectW_stringOf(jsonObj,L"status");
        j = 0;
        count_j = CkJsonObjectW_SizeOfArray(jsonObj,L"children");
        while (j < count_j) {
            CkJsonObjectW_putJ(jsonObj,j);
            j = j + 1;
        }

        CkJsonObjectW_Dispose(jsonObj);
        i = i + 1;
    }



    CkJsonObjectW_Dispose(json);
    CkHttpW_Dispose(http);
    CkJsonArrayW_Dispose(jarr);

    }