Download a Binary REST Response into BinData

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Demonstrates Rest.FullRequestNoBodyBd, which sends a request with no body and stores the binary response body in a BinData.

The file paths are relative to the application's current working directory. Absolute paths may also be used. Supply the paths appropriate to your own environment.

#import <CkoRest.h>
#import <CkoBinData.h>

BOOL success = NO;

CkoRest *rest = [[CkoRest alloc] init];
BOOL bTls = YES;
BOOL bAutoReconnect = YES;
success = [rest Connect: @"example.com" port: [NSNumber numberWithInt: 443] tls: bTls autoReconnect: bAutoReconnect];
if (success == NO) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

//  The file paths are relative to the application's current working directory.  Absolute paths
//  may also be used.  Supply the paths appropriate to your own environment.

//  FullRequestNoBodyBd sends a request with no body and stores the binary response body in a
//  BinData.  This is appropriate when the response is binary, such as an image or file download.
CkoBinData *bdResponse = [[CkoBinData alloc] init];
success = [rest FullRequestNoBodyBd: @"GET" uriPath: @"/api/images/1" binData: bdResponse];
if (success == NO) {
    NSLog(@"%@",rest.LastErrorText);
    return;
}

BOOL bSaved = [bdResponse WriteFile: @"qa_output/image.png"];
if (bSaved != YES) {
    NSLog(@"%@",@"Failed to save the response body.");
    return;
}

NSLog(@"%@%d%@",@"Downloaded ",[bdResponse.NumBytes intValue],@" bytes.");