Chilkat Online Tools

UpdateResolver Objective-C Example

AWS AppSync

#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 = @"appsync";
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
[rest SetAuthAws: authAws];

// URL: https://appsync.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = [rest Connect: @"appsync.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 UpdateString: @"cachingConfig.cachingKeys[0]" value: @"string"];
[json UpdateInt: @"cachingConfig.ttl" value: [NSNumber numberWithInt: 123]];
[json UpdateString: @"dataSourceName" value: @"string"];
[json UpdateString: @"kind" value: @"string"];
[json UpdateInt: @"maxBatchSize" value: [NSNumber numberWithInt: 123]];
[json UpdateString: @"pipelineConfig.functions[0]" value: @"string"];
[json UpdateString: @"requestMappingTemplate" value: @"string"];
[json UpdateString: @"responseMappingTemplate" value: @"string"];
[json UpdateString: @"syncConfig.conflictDetection" value: @"string"];
[json UpdateString: @"syncConfig.conflictHandler" value: @"string"];
[json UpdateString: @"syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn" value: @"string"];

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

// {
//   "cachingConfig": {
//     "cachingKeys": [
//       "string"
//     ],
//     "ttl": number
//   },
//   "dataSourceName": "string",
//   "kind": "string",
//   "maxBatchSize": number,
//   "pipelineConfig": {
//     "functions": [
//       "string"
//     ]
//   },
//   "requestMappingTemplate": "string",
//   "responseMappingTemplate": "string",
//   "syncConfig": {
//     "conflictDetection": "string",
//     "conflictHandler": "string",
//     "lambdaConflictHandlerConfig": {
//       "lambdaConflictHandlerArn": "string"
//     }
//   }
// }

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

CkoStringBuilder *sbRequestBody = [[CkoStringBuilder alloc] init];
[json EmitSb: sbRequestBody];
CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestSb: @"POST" uriPath: @"/v1/apis/{apiId}/types/{typeName}/resolvers/{fieldName}" 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

NSString *strVal = 0;

int Ttl = [[jResp IntOf: @"resolver.cachingConfig.ttl"] intValue];
NSString *DataSourceName = [jResp StringOf: @"resolver.dataSourceName"];
NSString *FieldName = [jResp StringOf: @"resolver.fieldName"];
NSString *Kind = [jResp StringOf: @"resolver.kind"];
int MaxBatchSize = [[jResp IntOf: @"resolver.maxBatchSize"] intValue];
NSString *RequestMappingTemplate = [jResp StringOf: @"resolver.requestMappingTemplate"];
NSString *ResolverArn = [jResp StringOf: @"resolver.resolverArn"];
NSString *ResponseMappingTemplate = [jResp StringOf: @"resolver.responseMappingTemplate"];
NSString *ConflictDetection = [jResp StringOf: @"resolver.syncConfig.conflictDetection"];
NSString *ConflictHandler = [jResp StringOf: @"resolver.syncConfig.conflictHandler"];
NSString *LambdaConflictHandlerArn = [jResp StringOf: @"resolver.syncConfig.lambdaConflictHandlerConfig.lambdaConflictHandlerArn"];
NSString *TypeName = [jResp StringOf: @"resolver.typeName"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"resolver.cachingConfig.cachingKeys"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    strVal = [jResp StringOf: @"resolver.cachingConfig.cachingKeys[i]"];
    i = i + 1;
}

i = 0;
count_i = [[jResp SizeOfArray: @"resolver.pipelineConfig.functions"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    strVal = [jResp StringOf: @"resolver.pipelineConfig.functions[i]"];
    i = i + 1;
}

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

// {
//   "resolver": {
//     "cachingConfig": {
//       "cachingKeys": [
//         "string"
//       ],
//       "ttl": number
//     },
//     "dataSourceName": "string",
//     "fieldName": "string",
//     "kind": "string",
//     "maxBatchSize": number,
//     "pipelineConfig": {
//       "functions": [
//         "string"
//       ]
//     },
//     "requestMappingTemplate": "string",
//     "resolverArn": "string",
//     "responseMappingTemplate": "string",
//     "syncConfig": {
//       "conflictDetection": "string",
//       "conflictHandler": "string",
//       "lambdaConflictHandlerConfig": {
//         "lambdaConflictHandlerArn": "string"
//       }
//     },
//     "typeName": "string"
//   }
// }