Chilkat Online Tools

ListChannelMembershipsForAppInstanceUser Objective-C Example

Amazon Chime

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

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

CkoStringBuilder *sbResponseBody = [[CkoStringBuilder alloc] init];
success = [rest FullRequestNoBodySb: @"GET" uriPath: @"/channels?scope=app-instance-user-memberships" 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

int ReadMarkerTimestamp;
NSString *v_Type = 0;
NSString *ChannelArn = 0;
int LastMessageTimestamp;
NSString *Metadata = 0;
NSString *Mode = 0;
NSString *Name = 0;
NSString *Privacy = 0;

NSString *NextToken = [jResp StringOf: @"NextToken"];
int i = 0;
int count_i = [[jResp SizeOfArray: @"ChannelMemberships"] intValue];
while (i < count_i) {
    jResp.I = [NSNumber numberWithInt: i];
    ReadMarkerTimestamp = [[jResp IntOf: @"ChannelMemberships[i].AppInstanceUserMembershipSummary.ReadMarkerTimestamp"] intValue];
    v_Type = [jResp StringOf: @"ChannelMemberships[i].AppInstanceUserMembershipSummary.Type"];
    ChannelArn = [jResp StringOf: @"ChannelMemberships[i].ChannelSummary.ChannelArn"];
    LastMessageTimestamp = [[jResp IntOf: @"ChannelMemberships[i].ChannelSummary.LastMessageTimestamp"] intValue];
    Metadata = [jResp StringOf: @"ChannelMemberships[i].ChannelSummary.Metadata"];
    Mode = [jResp StringOf: @"ChannelMemberships[i].ChannelSummary.Mode"];
    Name = [jResp StringOf: @"ChannelMemberships[i].ChannelSummary.Name"];
    Privacy = [jResp StringOf: @"ChannelMemberships[i].ChannelSummary.Privacy"];
    i = i + 1;
}

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

// {
//   "ChannelMemberships": [
//     {
//       "AppInstanceUserMembershipSummary": {
//         "ReadMarkerTimestamp": number,
//         "Type": "string"
//       },
//       "ChannelSummary": {
//         "ChannelArn": "string",
//         "LastMessageTimestamp": number,
//         "Metadata": "string",
//         "Mode": "string",
//         "Name": "string",
//         "Privacy": "string"
//       }
//     }
//   ],
//   "NextToken": "string"
// }