On 16 May 2011, at 03:57, Larry Campbell wrote:
> Seems odd to me that setting and getting properties of an NSURLRequest
> involve an NSURLProtocol class method:
>
> +[NSURLProtocol setProperty:forKey:inRequest:]
>
> rather than what seems to me the much more straightforward:
>
> -[NSMutableURLRequest setProperty:forKey:]
>
> Is there a reason for this?
This facility is provided for people creating custom URL protocols. I think
it's assumed that if you need custom request properties, you'll write something
like:
@implementation NSURLRequest (MyProtocol)
- (NSString *)myFoo;
{
return [NSURLProtocol propertyForKey:@"myFoo" inRequest:self];
}
@end
@implementation NSMutableURLRequest (MyProtocol)
- (void)setMyFoo:(NSString *)foo
{
if (foo)
{
[NSURLProtocol setProperty:foo forKey:@"myFoo" inRequest:self];
}
else
{
[NSURLProtocol removePropertyForKey:@"myFoo" inRequest:self];
}
}
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