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CKConnectionRegistry.m
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CKConnectionRegistry.m
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//
// CKConnectionRegistry.m
// Connection
//
// Created by Mike on 05/12/2008.
// Copyright 2008 Karelia Software. All rights reserved.
//
#import "CKConnectionRegistry.h"
#import "CKAbstractConnection.h"
#import "NSURL+Connection.h"
@implementation CKConnectionRegistry
+ (CKConnectionRegistry *)sharedConnectionRegistry
{
static CKConnectionRegistry *result;
if (!result)
{
result = [[CKConnectionRegistry alloc] init];
}
return result;
}
- (id)init
{
if (self = [super init])
{
_connectionClassesByName = [[NSMutableDictionary alloc] init];
_connectionClassesByURLScheme = [[NSMutableDictionary alloc] init];
}
return self;
}
- (void)dealloc
{
[_connectionClassesByURLScheme release];
[_connectionClassesByName release];
[super dealloc];
}
#pragma mark -
#pragma mark Class Registration
- (void)registerClass:(Class <CKConnection>)connectionClass forName:(NSString *)name URLScheme:(NSString *)URLScheme
{
[_connectionClassesByName setObject:connectionClass forKey:name];
if (URLScheme)
{
[_connectionClassesByURLScheme setObject:connectionClass forKey:URLScheme];
}
}
- (Class <CKConnection>)connectionClassForURLScheme:(NSString *)URLScheme
{
return [_connectionClassesByURLScheme objectForKey:URLScheme];
}
- (Class <CKConnection>)connectionClassForName:(NSString *)connectionName
{
return [_connectionClassesByName objectForKey:connectionName];
}
- (CKConnectionRequest *)connectionRequestForName:(NSString *)name host:(NSString *)host port:(NSNumber *)port
{
Class connectionClass = [self connectionClassForName:name];
NSURL *URL = [[NSURL alloc] initWithScheme:[[connectionClass URLSchemes] objectAtIndex:0]
host:host
port:port
user:nil
password:nil];
CKConnectionRequest *result = [CKConnectionRequest requestWithURL:URL];
[URL release];
return result;
}
#pragma mark -
#pragma mark Connection Creation
- (id <CKConnection>)connectionWithRequest:(CKConnectionRequest *)request
{
Class class = [self connectionClassForURLScheme:[[request URL] scheme]];
id <CKConnection> result = nil;
if (class)
{
result = [[[class alloc] initWithRequest:request] autorelease];
}
return result;
}
- (id <CKConnection>)connectionWithName:(NSString *)name host:(NSString *)host port:(NSNumber *)port
{
return [self connectionWithName:name host:host port:port user:nil password:nil error:NULL];
}
- (id <CKConnection>)connectionWithName:(NSString *)name host:(NSString *)host port:(NSNumber *)port user:(NSString *)username password:(NSString *)password error:(NSError **)error
{
Class class = [self connectionClassForName:name];
id <CKConnection> result = nil;
if (class)
{
NSURL *URL = [[NSURL alloc] initWithScheme:[[class URLSchemes] objectAtIndex:0]
host:host
port:port
user:username
password:password];
result = [[[class alloc] initWithRequest:[CKConnectionRequest requestWithURL:URL]] autorelease];
[URL release];
}
if (!result && error)
{
NSError *err = [NSError errorWithDomain:CKConnectionErrorDomain
code:CKConnectionNoConnectionsAvailable
userInfo:[NSDictionary dictionaryWithObjectsAndKeys:LocalizedStringInConnectionKitBundle(
@"No connection available for requested connection type", @"failed to find a connection class"),
NSLocalizedDescriptionKey,
[(*error) localizedDescription],
NSLocalizedRecoverySuggestionErrorKey, // some additional context
nil]];
*error = err;
}
return result;
}
@end