Chilkat Online Tools

DescribeEventDetails delphiDll Example

AWS Health

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
errorMessage: PWideChar;
errorName: PWideChar;
eventArn: PWideChar;
Arn: PWideChar;
AvailabilityZone: PWideChar;
EndTime: Integer;
EventScopeCode: PWideChar;
EventTypeCategory: PWideChar;
EventTypeCode: PWideChar;
LastUpdatedTime: Integer;
Region: PWideChar;
Service: PWideChar;
StartTime: Integer;
StatusCode: PWideChar;
LatestDescription: PWideChar;
v_String: 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,'health');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://health.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'health.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,'eventArns[0]','string');
CkJsonObject_UpdateString(json,'locale','string');

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

// {
//   "eventArns": [
//     "string"
//   ],
//   "locale": "string"
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','AWSHealth_20160804.DescribeEventDetails');

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

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'failedSet');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    errorMessage := CkJsonObject__stringOf(jResp,'failedSet[i].errorMessage');
    errorName := CkJsonObject__stringOf(jResp,'failedSet[i].errorName');
    eventArn := CkJsonObject__stringOf(jResp,'failedSet[i].eventArn');
    i := i + 1;
  end;

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'successfulSet');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    Arn := CkJsonObject__stringOf(jResp,'successfulSet[i].event.arn');
    AvailabilityZone := CkJsonObject__stringOf(jResp,'successfulSet[i].event.availabilityZone');
    EndTime := CkJsonObject_IntOf(jResp,'successfulSet[i].event.endTime');
    EventScopeCode := CkJsonObject__stringOf(jResp,'successfulSet[i].event.eventScopeCode');
    EventTypeCategory := CkJsonObject__stringOf(jResp,'successfulSet[i].event.eventTypeCategory');
    EventTypeCode := CkJsonObject__stringOf(jResp,'successfulSet[i].event.eventTypeCode');
    LastUpdatedTime := CkJsonObject_IntOf(jResp,'successfulSet[i].event.lastUpdatedTime');
    Region := CkJsonObject__stringOf(jResp,'successfulSet[i].event.region');
    Service := CkJsonObject__stringOf(jResp,'successfulSet[i].event.service');
    StartTime := CkJsonObject_IntOf(jResp,'successfulSet[i].event.startTime');
    StatusCode := CkJsonObject__stringOf(jResp,'successfulSet[i].event.statusCode');
    LatestDescription := CkJsonObject__stringOf(jResp,'successfulSet[i].eventDescription.latestDescription');
    v_String := CkJsonObject__stringOf(jResp,'successfulSet[i].eventMetadata.string');
    i := i + 1;
  end;

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

// {
//   "failedSet": [
//     {
//       "errorMessage": "string",
//       "errorName": "string",
//       "eventArn": "string"
//     }
//   ],
//   "successfulSet": [
//     {
//       "event": {
//         "arn": "string",
//         "availabilityZone": "string",
//         "endTime": number,
//         "eventScopeCode": "string",
//         "eventTypeCategory": "string",
//         "eventTypeCode": "string",
//         "lastUpdatedTime": number,
//         "region": "string",
//         "service": "string",
//         "startTime": number,
//         "statusCode": "string"
//       },
//       "eventDescription": {
//         "latestDescription": "string"
//       },
//       "eventMetadata": {
//         "string": "string"
//       }
//     }
//   ]
// }

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