Chilkat Online Tools

SearchContent delphiDll Example

Amazon Wisdom

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
contentArn: PWideChar;
contentId: PWideChar;
contentType: PWideChar;
knowledgeBaseArn: PWideChar;
knowledgeBaseId: PWideChar;
v_String: PWideChar;
name: PWideChar;
revisionId: PWideChar;
status: PWideChar;
tagsString: PWideChar;
title: 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,'wisdom');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://wisdom.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'wisdom.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,'searchExpression.filters[0].field','string');
CkJsonObject_UpdateString(json,'searchExpression.filters[0].operator','string');
CkJsonObject_UpdateString(json,'searchExpression.filters[0].value','string');

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

// {
//   "searchExpression": {
//     "filters": [
//       {
//         "field": "string",
//         "operator": "string",
//         "value": "string"
//       }
//     ]
//   }
// }

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

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/knowledgeBases/{knowledgeBaseId}/search',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,'contentSummaries');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    contentArn := CkJsonObject__stringOf(jResp,'contentSummaries[i].contentArn');
    contentId := CkJsonObject__stringOf(jResp,'contentSummaries[i].contentId');
    contentType := CkJsonObject__stringOf(jResp,'contentSummaries[i].contentType');
    knowledgeBaseArn := CkJsonObject__stringOf(jResp,'contentSummaries[i].knowledgeBaseArn');
    knowledgeBaseId := CkJsonObject__stringOf(jResp,'contentSummaries[i].knowledgeBaseId');
    v_String := CkJsonObject__stringOf(jResp,'contentSummaries[i].metadata.string');
    name := CkJsonObject__stringOf(jResp,'contentSummaries[i].name');
    revisionId := CkJsonObject__stringOf(jResp,'contentSummaries[i].revisionId');
    status := CkJsonObject__stringOf(jResp,'contentSummaries[i].status');
    tagsString := CkJsonObject__stringOf(jResp,'contentSummaries[i].tags.string');
    title := CkJsonObject__stringOf(jResp,'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"
// }

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