Chilkat Online Tools

ListEndpoints Objective-C Example

Amazon Comprehend

#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoJsonObject.h>
#import <CkoStringBuilder.h>
#import <NSString.h>

// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

CkoRest *rest = [[CkoRest alloc] init];
BOOL success;

CkoAuthAws *authAws = [[CkoAuthAws alloc] init];
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 = @"comprehend";
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
[rest SetAuthAws: authAws];

// URL: https://comprehend.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = [rest Connect: @"comprehend.us-west-2.amazonaws.com" port: [NSNumber numberWithInt: 443] tls: YES autoReconnect: YES];
if (success != YES) {
    NSLog(@"%@%d",@"ConnectFailReason: ",[rest.ConnectFailReason intValue]);
    NSLog(@"%@",rest.LastErrorText);
    return;
}

// 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

CkoJsonObject *json = [[CkoJsonObject alloc] init];
[json UpdateInt: @"Filter.CreationTimeAfter" value: [NSNumber numberWithInt: 123]];
[json UpdateInt: @"Filter.CreationTimeBefore" value: [NSNumber numberWithInt: 123]];
[json UpdateString: @"Filter.ModelArn" value: @"string"];
[json UpdateString: @"Filter.Status" value: @"string"];
[json UpdateInt: @"MaxResults" value: [NSNumber numberWithInt: 123]];
[json UpdateString: @"NextToken" value: @"string"];

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

// {
//   "Filter": {
//     "CreationTimeAfter": number,
//     "CreationTimeBefore": number,
//     "ModelArn": "string",
//     "Status": "string"
//   },
//   "MaxResults": number,
//   "NextToken": "string"
// }

[rest AddHeader: @"Content-Type" value: @"application/x-amz-json-1.1"];
[rest AddHeader: @"X-Amz-Target" value: @"Comprehend_20171127.ListEndpoints"];

CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/" requestBody: sbRequestBody responseBody: sbResponseBody];
if (success != YES) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

int respStatusCode = [rest.ResponseStatusCode intValue];
NSLog(@"%@%d",@"response status code = ",respStatusCode);
if (respStatusCode != 200) {
    NSLog(@"%@",@"Response Header:");
    NSLog(@"%@",rest.ResponseHeader);
    NSLog(@"%@",@"Response Body:");
    NSLog(@"%@",[sbResponseBody GetAsString]);
    return;
}

CkoJsonObject *jResp = [[CkoJsonObject alloc] init];
[jResp LoadSb: 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

int CreationTime;
int CurrentInferenceUnits;
NSString *DataAccessRoleArn = 0;
NSString *DesiredDataAccessRoleArn = 0;
int DesiredInferenceUnits;
NSString *DesiredModelArn = 0;
NSString *EndpointArn = 0;
int LastModifiedTime;
NSString *Message = 0;
NSString *ModelArn = 0;
NSString *Status = 0;

NSString *NextToken = [jResp StringOf: @"NextToken"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"EndpointPropertiesList"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    CreationTime = [[jResp IntOf: @"EndpointPropertiesList[i].CreationTime"] intValue];
    CurrentInferenceUnits = [[jResp IntOf: @"EndpointPropertiesList[i].CurrentInferenceUnits"] intValue];
    DataAccessRoleArn = [jResp StringOf: @"EndpointPropertiesList[i].DataAccessRoleArn"];
    DesiredDataAccessRoleArn = [jResp StringOf: @"EndpointPropertiesList[i].DesiredDataAccessRoleArn"];
    DesiredInferenceUnits = [[jResp IntOf: @"EndpointPropertiesList[i].DesiredInferenceUnits"] intValue];
    DesiredModelArn = [jResp StringOf: @"EndpointPropertiesList[i].DesiredModelArn"];
    EndpointArn = [jResp StringOf: @"EndpointPropertiesList[i].EndpointArn"];
    LastModifiedTime = [[jResp IntOf: @"EndpointPropertiesList[i].LastModifiedTime"] intValue];
    Message = [jResp StringOf: @"EndpointPropertiesList[i].Message"];
    ModelArn = [jResp StringOf: @"EndpointPropertiesList[i].ModelArn"];
    Status = [jResp StringOf: @"EndpointPropertiesList[i].Status"];
    i = i + 1;
}

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

// {
//   "EndpointPropertiesList": [
//     {
//       "CreationTime": number,
//       "CurrentInferenceUnits": number,
//       "DataAccessRoleArn": "string",
//       "DesiredDataAccessRoleArn": "string",
//       "DesiredInferenceUnits": number,
//       "DesiredModelArn": "string",
//       "EndpointArn": "string",
//       "LastModifiedTime": number,
//       "Message": "string",
//       "ModelArn": "string",
//       "Status": "string"
//     }
//   ],
//   "NextToken": "string"
// }