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JFGuidGenerator.m
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JFGuidGenerator.m
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//
// JFGuidGenerator.m
// JFCommon
//
// Created by Jason Fuerstenberg on 10/12/28.
// Copyright 2010 Jason Fuerstenberg. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#import "JFGuidGenerator.h"
@implementation JFGuidGenerator
/*
* Generates and returns a GUID.
*
* NOTE: Based on logic from: http://cocoabugs.blogspot.com/2010/12/gereateing-unique-uuiduinique-id-in.html
*/
+ (NSString *) generateGuid {
CFUUIDRef uuid = CFUUIDCreate(NULL);
CFStringRef uuidStr = CFUUIDCreateString(NULL, uuid);
CFRelease(uuid);
#if __has_feature(objc_arc)
// Using ARC so just return...
return (__bridge NSString *) uuidStr;
#else
// Autorelease the instance then return...
[(NSString *) uuidStr autorelease];
return (NSString *) uuidStr;
#endif
}
@end