Chilkat Online Tools

GetContent delphiDll Example

Amazon Wisdom

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
ContentArn: PWideChar;
ContentId: PWideChar;
ContentType: PWideChar;
KnowledgeBaseArn: PWideChar;
KnowledgeBaseId: PWideChar;
LinkOutUri: PWideChar;
v_String: PWideChar;
Name: PWideChar;
RevisionId: PWideChar;
Status: PWideChar;
TagsString: PWideChar;
Title: PWideChar;
v_Url: PWideChar;
UrlExpiry: 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;

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

sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/knowledgeBases/{knowledgeBaseId}/contents/{contentId}',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

ContentArn := CkJsonObject__stringOf(jResp,'content.contentArn');
ContentId := CkJsonObject__stringOf(jResp,'content.contentId');
ContentType := CkJsonObject__stringOf(jResp,'content.contentType');
KnowledgeBaseArn := CkJsonObject__stringOf(jResp,'content.knowledgeBaseArn');
KnowledgeBaseId := CkJsonObject__stringOf(jResp,'content.knowledgeBaseId');
LinkOutUri := CkJsonObject__stringOf(jResp,'content.linkOutUri');
v_String := CkJsonObject__stringOf(jResp,'content.metadata.string');
Name := CkJsonObject__stringOf(jResp,'content.name');
RevisionId := CkJsonObject__stringOf(jResp,'content.revisionId');
Status := CkJsonObject__stringOf(jResp,'content.status');
TagsString := CkJsonObject__stringOf(jResp,'content.tags.string');
Title := CkJsonObject__stringOf(jResp,'content.title');
v_Url := CkJsonObject__stringOf(jResp,'content.url');
UrlExpiry := CkJsonObject_IntOf(jResp,'content.urlExpiry');

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

// {
//   "content": {
//     "contentArn": "string",
//     "contentId": "string",
//     "contentType": "string",
//     "knowledgeBaseArn": "string",
//     "knowledgeBaseId": "string",
//     "linkOutUri": "string",
//     "metadata": {
//       "string": "string"
//     },
//     "name": "string",
//     "revisionId": "string",
//     "status": "string",
//     "tags": {
//       "string": "string"
//     },
//     "title": "string",
//     "url": "string",
//     "urlExpiry": number
//   }
// }

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