Chilkat Online Tools

ListContents Objective-C Example

Amazon Wisdom

#import <CkoRest.h>
#import <CkoAuthAws.h>
#import <CkoStringBuilder.h>
#import <CkoJsonObject.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 = @"wisdom";
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
[rest SetAuthAws: authAws];

// URL: https://wisdom.us-west-2.amazonaws.com/
// Use the same region as specified above.
success = [rest Connect: @"wisdom.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;
}

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

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestNoBodySb: @"GET" uriPath: @"/knowledgeBases/{knowledgeBaseId}/contents" sb: 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 *contentArn = 0;
NSString *contentId = 0;
NSString *contentType = 0;
NSString *knowledgeBaseArn = 0;
NSString *knowledgeBaseId = 0;
NSString *v_String = 0;
NSString *name = 0;
NSString *revisionId = 0;
NSString *status = 0;
NSString *tagsString = 0;
NSString *title = 0;

NSString *nextToken = [jResp StringOf: @"nextToken"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"contentSummaries"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    contentArn = [jResp StringOf: @"contentSummaries[i].contentArn"];
    contentId = [jResp StringOf: @"contentSummaries[i].contentId"];
    contentType = [jResp StringOf: @"contentSummaries[i].contentType"];
    knowledgeBaseArn = [jResp StringOf: @"contentSummaries[i].knowledgeBaseArn"];
    knowledgeBaseId = [jResp StringOf: @"contentSummaries[i].knowledgeBaseId"];
    v_String = [jResp StringOf: @"contentSummaries[i].metadata.string"];
    name = [jResp StringOf: @"contentSummaries[i].name"];
    revisionId = [jResp StringOf: @"contentSummaries[i].revisionId"];
    status = [jResp StringOf: @"contentSummaries[i].status"];
    tagsString = [jResp StringOf: @"contentSummaries[i].tags.string"];
    title = [jResp StringOf: @"contentSummaries[i].title"];
    i = i + 1;
}

// 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"
// }