Chilkat Online Tools

DescribeUsers delphiDll Example

Amazon AppStream

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
Arn: PWideChar;
AuthenticationType: PWideChar;
CreatedTime: Integer;
Enabled: Integer;
FirstName: PWideChar;
LastName: PWideChar;
Status: PWideChar;
UserName: 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,'appstream');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://appstream2.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'appstream2.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_UpdateString(json,'AuthenticationType','string');
CkJsonObject_UpdateInt(json,'MaxResults',123);
CkJsonObject_UpdateString(json,'NextToken','string');

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

// {
//   "AuthenticationType": "string",
//   "MaxResults": number,
//   "NextToken": "string"
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','PhotonAdminProxyService.DescribeUsers');

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,'Users');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    Arn := CkJsonObject__stringOf(jResp,'Users[i].Arn');
    AuthenticationType := CkJsonObject__stringOf(jResp,'Users[i].AuthenticationType');
    CreatedTime := CkJsonObject_IntOf(jResp,'Users[i].CreatedTime');
    Enabled := CkJsonObject_IntOf(jResp,'Users[i].Enabled');
    FirstName := CkJsonObject__stringOf(jResp,'Users[i].FirstName');
    LastName := CkJsonObject__stringOf(jResp,'Users[i].LastName');
    Status := CkJsonObject__stringOf(jResp,'Users[i].Status');
    UserName := CkJsonObject__stringOf(jResp,'Users[i].UserName');
    i := i + 1;
  end;

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

// {
//   "NextToken": "string",
//   "Users": [
//     {
//       "Arn": "string",
//       "AuthenticationType": "string",
//       "CreatedTime": number,
//       "Enabled": boolean,
//       "FirstName": "string",
//       "LastName": "string",
//       "Status": "string",
//       "UserName": "string"
//     }
//   ]
// }

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