Objective-C

Get an Email's MIME into a BinData

Demonstrates the Chilkat Email.GetMimeBd method, which serializes the complete RFC822/MIME message (headers, body representations, related items, and attachments) and appends the bytes to a BinData object. This example builds a message, serializes it to a BinData, and prints the byte count.

Background: A BinData holds raw bytes, which is the right container when you want the MIME as binary rather than text — for example to write it directly to a file or socket, hash it, or hand it to another API that expects a byte buffer. It is the binary counterpart to GetMime (string) and GetMimeSb (StringBuilder).

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Objective-C

#import <CkoEmail.h>
#import <CkoBinData.h>

BOOL success = NO;

//  Demonstrates the GetMimeBd method, which serializes the complete RFC822/MIME message
//  (headers, bodies, related items, and attachments) and appends the bytes to a BinData
//  object.

CkoEmail *email = [[CkoEmail alloc] init];
email.Subject = @"GetMimeBd example";
email.From = @"alice@example.com";
[email AddTo: @"Bob" emailAddress: @"bob@example.com"];
email.Body = @"Hello!";

//  Append the complete MIME to a BinData object.
CkoBinData *bdMime = [[CkoBinData alloc] init];
success = [email GetMimeBd: bdMime];
if (success == NO) {
    NSLog(@"%@",email.LastErrorText);
    return true;
}

NSLog(@"%@%d",@"MIME size (bytes) = ",[bdMime.NumBytes intValue]);