Re: NSMailDelivery
Re: NSMailDelivery
- Subject: Re: NSMailDelivery
- From: David Phillip Oster <email@hidden>
- Date: Fri, 13 May 2005 20:37:14 -0700
(Sorry for the errant posting, <Command>-E is programmed into my
fingers to copy the selection to the Find dialog, but in this mailer,
it appears to mean "Send".)
Last month, I was posting about my NSMailDelivery woes. Turns out, I
had neglected to drag Message.framework into my project, and ZeroLink
hid from me that I was calling undefined objects,
email@hidden has been very helpful, and email@hidden, if you
write me directly, I may be of some help.
Here is a simple, tested, example of using NSMailDelivery:
[NSMailDelivery deliverMessage: @"This is my first test
message.\nSent by NSMailDelivery.\n" subject: @"A Computer generated
message." to: @"email@hidden"];
Pretty neat: e-mail in one line of Cocoa. (Replace the "to" address
with a real one.)
Here is another way to do it:
This sends a message by opening a window in the user's mailer:
NSString *to = [[NSString stringWithString: @"David Phillip Oster
<email@hidden>"] stringByPercentEscapesForMailtoURL];
NSString *subject = [[NSString stringWithString: @"First Automated
Test"] stringByPercentEscapesForMailtoURL];
NSString *body = [[NSString stringWithString:
@"First Automated Test\nFirst Automated Test= & Will this foul
up?\n(The e-mail includes special characters like %, '&' and \"?\"
that the URL parser for mailto may balk at.)\n"]
stringByPercentEscapesForMailtoURL];
NSString *emailURLString = [NSString stringWithFormat:
@"mailto:%@?subject=%@&body=%@";, to, subject, body];
NSURL *emailURL = [NSURL URLWithString: emailURLString];
[[NSWorkspace sharedWorkspace] openURL:emailURL];
It needs this helper:
@interface NSString (PercentEscapesForURLs)
- (NSString*) stringByPercentEscapesForMailtoURL;
@end
@implementation NSString (PercentEscapesForURLs)
// wrap CFURLCreateStringByAddingPercentEscapes in Cocoa clothing.
- (NSString*) stringByPercentEscapesForMailtoURL
{
NSString *val = (NSString *)
CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault,
(CFStringRef) self, CFSTR(""), CFSTR("=?&"), kCFStringEncodingUTF8);
return [val autorelease];
}
@end
I'm still looking for a good example of using NSMailDelivery with
NSMIMEMailFormat to send a multipart mime mail with HTML and images
that an e-mail client will proeprly parse.
Note:
NSMailDelivery gives you no indication of what went wrong, if
something went wrong.
NSMailDelivery give you no status info: you don't know what it is
doing for the few seconds
it is doing it.
NSMailDelivery is synchronous and blocks: you can't animate an
indeterminate progress meter while it is running. You can't poll for
the user canceling.
David Phillip Oster
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