Class Protocol.h

//
//  CRWebService.h
//
//  On crée un property delegate
//  On créer le bloc protocol


#import <Foundation/Foundation.h>

@interface CRWebService : NSObject

@property (nonatomic, retain) NSString *token;
@property (nonatomic, assign) id delegate;

+ (id)sharedManager;
-(void)fetchToken:(NSString *)code;

@end

@protocol CRWebServiceDelegate <NSObject>

@optional

- (void)crWebService:(CRWebService *)sender getAccessToken:(NSString *)accessToken;

@end