Chilkat Online Tools

ListFHIRDatastores delphiDll Example

Amazon HealthLake

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
CreatedAt: Integer;
DatastoreArn: PWideChar;
DatastoreEndpoint: PWideChar;
DatastoreId: PWideChar;
DatastoreName: PWideChar;
DatastoreStatus: PWideChar;
DatastoreTypeVersion: PWideChar;
PreloadDataType: PWideChar;
CmkType: PWideChar;
KmsKeyId: PWideChar;
NextToken: PWideChar;
i: Integer;
count_i: Integer;

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

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'healthlake');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://healthlake.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'healthlake.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

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

json := CkJsonObject_Create();
CkJsonObject_UpdateInt(json,'Filter.CreatedAfter',123);
CkJsonObject_UpdateInt(json,'Filter.CreatedBefore',123);
CkJsonObject_UpdateString(json,'Filter.DatastoreName','string');
CkJsonObject_UpdateString(json,'Filter.DatastoreStatus','string');
CkJsonObject_UpdateInt(json,'MaxResults',123);
CkJsonObject_UpdateString(json,'NextToken','string');

// The JSON request body created by the above code:

// {
//   "Filter": {
//     "CreatedAfter": number,
//     "CreatedBefore": number,
//     "DatastoreName": "string",
//     "DatastoreStatus": "string"
//   },
//   "MaxResults": number,
//   "NextToken": "string"
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.0');
CkRest_AddHeader(rest,'X-Amz-Target','HealthLake.ListFHIRDatastores');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

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

NextToken := CkJsonObject__stringOf(jResp,'NextToken');
i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'DatastorePropertiesList');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    CreatedAt := CkJsonObject_IntOf(jResp,'DatastorePropertiesList[i].CreatedAt');
    DatastoreArn := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreArn');
    DatastoreEndpoint := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreEndpoint');
    DatastoreId := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreId');
    DatastoreName := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreName');
    DatastoreStatus := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreStatus');
    DatastoreTypeVersion := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].DatastoreTypeVersion');
    PreloadDataType := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].PreloadDataConfig.PreloadDataType');
    CmkType := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].SseConfiguration.KmsEncryptionConfig.CmkType');
    KmsKeyId := CkJsonObject__stringOf(jResp,'DatastorePropertiesList[i].SseConfiguration.KmsEncryptionConfig.KmsKeyId');
    i := i + 1;
  end;

// A sample JSON response body parsed by the above code:

// {
//   "DatastorePropertiesList": [
//     {
//       "CreatedAt": number,
//       "DatastoreArn": "string",
//       "DatastoreEndpoint": "string",
//       "DatastoreId": "string",
//       "DatastoreName": "string",
//       "DatastoreStatus": "string",
//       "DatastoreTypeVersion": "string",
//       "PreloadDataConfig": {
//         "PreloadDataType": "string"
//       },
//       "SseConfiguration": {
//         "KmsEncryptionConfig": {
//           "CmkType": "string",
//           "KmsKeyId": "string"
//         }
//       }
//     }
//   ],
//   "NextToken": "string"
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);