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Core Data Import from Plist

/ Published in: Objective C
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Just change the filename "courses" to that of your own and the entity name "Course" to your own.

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  1. NSManagedObjectModel *mom = [self managedObjectModel];
  2.     NSDictionary *attrs = [[[mom entitiesByName] objectForKey:@"Course"] attributesByName];
  3.     NSArray *keyedValues = [[NSArray alloc] initWithContentsOfFile:                                        
  4.                                     [[NSBundle mainBundle] pathForResource:@"courses" ofType:@"plist"]                                        
  5.                             ];       
  6.  
  7.     for( NSDictionary *keyedValueDict in keyedValues ) {
  8.         NSManagedObject *mObj = [NSEntityDescription insertNewObjectForEntityForName:@"Course" inManagedObjectContext:[self managedObjectContext]];
  9.         for (NSString *attribute in attrs) {
  10.             id value = [keyedValueDict objectForKey:attribute];
  11.             if (value == nil) {
  12.                 // Don't attempt to set nil, or you'll overwite values in self that aren't present in keyedValues
  13.                 continue;
  14.             }
  15.             NSAttributeType attributeType = [[attrs objectForKey:attribute] attributeType];
  16.             if ((attributeType == NSStringAttributeType) && ([value isKindOfClass:[NSNumber class]])) {
  17.                 value = [value stringValue];
  18.             } else if (((attributeType == NSInteger16AttributeType) || (attributeType == NSInteger32AttributeType) || (attributeType == NSInteger64AttributeType) || (attributeType == NSBooleanAttributeType)) && ([value isKindOfClass:[NSString class]])) {
  19.                 value = [NSNumber numberWithInteger:[value  integerValue]];
  20.             } else if ((attributeType == NSFloatAttributeType) && ([value isKindOfClass:[NSString class]])) {
  21.                 value = [NSNumber numberWithDouble:[value doubleValue]];
  22.             }              
  23.             [mObj setValue:value forKey:attribute];
  24.             NSLog(@"Value %@ for Key %@", value, attribute);
  25.         }
  26.  
  27.     }
  28.     NSError *error;
  29.     [[self managedObjectContext] save:&error];

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