Chilkat Online Tools

DescribeApplications delphiAx Example

Amazon AppStream

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
json: TChilkatJsonObject;
sbRequestBody: TChilkatStringBuilder;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
AppBlockArn: WideString;
Arn: WideString;
CreatedTime: Integer;
Description: WideString;
DisplayName: WideString;
Enabled: Integer;
S3Bucket: WideString;
S3Key: WideString;
IconURL: WideString;
LaunchParameters: WideString;
LaunchPath: WideString;
v_String: WideString;
Name: WideString;
WorkingDirectory: WideString;
j: Integer;
count_j: Integer;
strVal: WideString;
NextToken: WideString;
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 := TChilkatRest.Create(Self);

authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := '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.)
authAws.Region := 'us-west-2';
authAws.ServiceName := 'appstream';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://appstream2.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('appstream2.us-west-2.amazonaws.com',443,1,1);
if (success <> 1) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(rest.ConnectFailReason));
    Memo1.Lines.Add(rest.LastErrorText);
    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 := TChilkatJsonObject.Create(Self);
json.UpdateString('Arns[0]','string');
json.UpdateInt('MaxResults',123);
json.UpdateString('NextToken','string');

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

// {
//   "Arns": [
//     "string"
//   ],
//   "MaxResults": number,
//   "NextToken": "string"
// }

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

sbRequestBody := TChilkatStringBuilder.Create(Self);
json.EmitSb(sbRequestBody.ControlInterface);
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestSb('POST','/',sbRequestBody.ControlInterface,sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;
respStatusCode := rest.ResponseStatusCode;
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

jResp := TChilkatJsonObject.Create(Self);
jResp.LoadSb(sbResponseBody.ControlInterface);

// 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 := jResp.StringOf('NextToken');
i := 0;
count_i := jResp.SizeOfArray('Applications');
while i < count_i do
  begin
    jResp.I := i;
    AppBlockArn := jResp.StringOf('Applications[i].AppBlockArn');
    Arn := jResp.StringOf('Applications[i].Arn');
    CreatedTime := jResp.IntOf('Applications[i].CreatedTime');
    Description := jResp.StringOf('Applications[i].Description');
    DisplayName := jResp.StringOf('Applications[i].DisplayName');
    Enabled := jResp.IntOf('Applications[i].Enabled');
    S3Bucket := jResp.StringOf('Applications[i].IconS3Location.S3Bucket');
    S3Key := jResp.StringOf('Applications[i].IconS3Location.S3Key');
    IconURL := jResp.StringOf('Applications[i].IconURL');
    LaunchParameters := jResp.StringOf('Applications[i].LaunchParameters');
    LaunchPath := jResp.StringOf('Applications[i].LaunchPath');
    v_String := jResp.StringOf('Applications[i].Metadata.string');
    Name := jResp.StringOf('Applications[i].Name');
    WorkingDirectory := jResp.StringOf('Applications[i].WorkingDirectory');
    j := 0;
    count_j := jResp.SizeOfArray('Applications[i].InstanceFamilies');
    while j < count_j do
      begin
        jResp.J := j;
        strVal := jResp.StringOf('Applications[i].InstanceFamilies[j]');
        j := j + 1;
      end;

    j := 0;
    count_j := jResp.SizeOfArray('Applications[i].Platforms');
    while j < count_j do
      begin
        jResp.J := j;
        strVal := jResp.StringOf('Applications[i].Platforms[j]');
        j := j + 1;
      end;

    i := i + 1;
  end;

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

// {
//   "Applications": [
//     {
//       "AppBlockArn": "string",
//       "Arn": "string",
//       "CreatedTime": number,
//       "Description": "string",
//       "DisplayName": "string",
//       "Enabled": boolean,
//       "IconS3Location": {
//         "S3Bucket": "string",
//         "S3Key": "string"
//       },
//       "IconURL": "string",
//       "InstanceFamilies": [
//         "string"
//       ],
//       "LaunchParameters": "string",
//       "LaunchPath": "string",
//       "Metadata": {
//         "string": "string"
//       },
//       "Name": "string",
//       "Platforms": [
//         "string"
//       ],
//       "WorkingDirectory": "string"
//     }
//   ],
//   "NextToken": "string"
// }