Chilkat Online Tools

ListContents delphiAx Example

Amazon Wisdom

var
rest: TChilkatRest;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
jResp: TChilkatJsonObject;
contentArn: WideString;
contentId: WideString;
contentType: WideString;
knowledgeBaseArn: WideString;
knowledgeBaseId: WideString;
v_String: WideString;
name: WideString;
revisionId: WideString;
status: WideString;
tagsString: WideString;
title: 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 := 'wisdom';
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
rest.SetAuthAws(authAws.ControlInterface);

// URL: https://wisdom.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := rest.Connect('wisdom.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;

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

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/knowledgeBases/{knowledgeBaseId}/contents',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('contentSummaries');
while i < count_i do
  begin
    jResp.I := i;
    contentArn := jResp.StringOf('contentSummaries[i].contentArn');
    contentId := jResp.StringOf('contentSummaries[i].contentId');
    contentType := jResp.StringOf('contentSummaries[i].contentType');
    knowledgeBaseArn := jResp.StringOf('contentSummaries[i].knowledgeBaseArn');
    knowledgeBaseId := jResp.StringOf('contentSummaries[i].knowledgeBaseId');
    v_String := jResp.StringOf('contentSummaries[i].metadata.string');
    name := jResp.StringOf('contentSummaries[i].name');
    revisionId := jResp.StringOf('contentSummaries[i].revisionId');
    status := jResp.StringOf('contentSummaries[i].status');
    tagsString := jResp.StringOf('contentSummaries[i].tags.string');
    title := jResp.StringOf('contentSummaries[i].title');
    i := i + 1;
  end;

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

// {
//   "contentSummaries": [
//     {
//       "contentArn": "string",
//       "contentId": "string",
//       "contentType": "string",
//       "knowledgeBaseArn": "string",
//       "knowledgeBaseId": "string",
//       "metadata": {
//         "string": "string"
//       },
//       "name": "string",
//       "revisionId": "string",
//       "status": "string",
//       "tags": {
//         "string": "string"
//       },
//       "title": "string"
//     }
//   ],
//   "nextToken": "string"
// }