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POCoercing NSNull value to nil in shouldSetValue:atKeyPath restkit
 

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  1. POCoercing NSNull value to nil in shouldSetValue:atKeyPath restkit
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    <p>i'm having a web service that that collects the company names and phone numbers from the database. But sometimes a phone number is not provided. When i try to map the phone number to the object with restkit 'im getting a warning that value is nil sometimes. then i get the warning message: </p> <pre><code>Coercing NSNull value to nil in shouldSetValue:atKeyPath: -- should be fixed. </code></pre> <p>any suggestions how to map nil to NSNull?</p> <p>this is my header file of my customerrealtion class (.h): </p> <pre><code> #import &lt;Foundation/Foundation.h&gt; #import &lt;RestKit/RestKit.h&gt; @interface CustomerRelation : NSObject #pragma private fields @property (nonatomic, copy) NSString *companyName; @property (nonatomic, copy) NSString *phoneNumber; @end </code></pre> <p>implementation file of customer relation class (.m)</p> <pre><code> #import "CustomerRelation.h" @implementation CustomerRelation -(BOOL)ValidatecompanyName:(id*)ioValue error:(NSError **)outError { NSLog(@"error"); } -(BOOL)validatephoneNumber:(id *)ioValue error:(NSError **)outError { if (*ioValue == nil) { if (outError != NULL) { } return NO; } return YES; } @end </code></pre> <p>this is where i do the mapping: </p> <pre><code>- (void)viewDidAppear:(BOOL)animated{ RKObjectManager * client = [RKObjectManager managerWithBaseURL:[NSURL URLWithString:@"http://127.0.0.1"]]; RKObjectMapping *articleMapping = [RKObjectMapping requestMapping]; [articleMapping addAttributeMappingsFromDictionary:@{@"Companyname": @"companyName", @"Phonenumber": @"phoneNumber"}]; RKResponseDescriptor *rkresponsedesc = [RKResponseDescriptor responseDescriptorWithMapping:articleMapping method:RKRequestMethodGET pathPattern:nil keyPath:@"customers" statusCodes:RKStatusCodeIndexSetForClass(RKStatusCodeClassSuccessful)]; [client addResponseDescriptor:rkresponsedesc]; NSMutableURLRequest *request = [client requestWithObject:nil method:RKRequestMethodGET path:@"test.php" parameters:nil]; RKObjectRequestOperation *operation = [client objectRequestOperationWithRequest:request success:^(RKObjectRequestOperation *operation, RKMappingResult *mappingResult) { [self mappingSuccess:mappingResult]; } failure: ^(RKObjectRequestOperation *operation, NSError *error) { NSLog(@"Failed with error: %@", [error localizedDescription]); }]; [client enqueueObjectRequestOperation:operation]; MainViewController *viewController = [self.storyboard instantiateViewControllerWithIdentifier:@"mainViewController"]; [self.navigationController pushViewController:viewController animated:YES]; </code></pre> <p>}</p> <pre><code> - (void)mappingSuccess:(RKMappingResult*)mappingResult { NSLog(@"Success block: %@", mappingResult); } </code></pre>
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