Skip to content

Added Mapping ability so key values can have different names to Core Data fields #1

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
DevelopIdeas wants to merge 3 commits into
base: master
Choose a base branch
from
Open

Added Mapping ability so key values can have different names to Core Data fields #1

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
8fd06c2
Added mapping dictionary with different key names
Feb 13, 2014
8834e2f
Mapping key value changes
Feb 13, 2014
14c76f5
Update readme
Feb 13, 2014
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions NSManagedObject+safeSetValuesForKeysWithDictionary.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -12,4 +12,6 @@

- (void)safeSetManagedValuesForKeysWithDictionary:(NSDictionary *)keyedValues dateFormatter:(NSDateFormatter *)dateFormatter;

- (void)safeSetManagedValuesForKeysWithDictionary:(NSDictionary *)keyedValues dateFormatter:(NSDateFormatter *)dateFormatter mapping:(NSDictionary *)mapping;

@end
11 changes: 9 additions & 2 deletions NSManagedObject+safeSetValuesForKeysWithDictionary.m
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -10,11 +10,18 @@

@implementation NSManagedObject (safeSetValuesForKeysWithDictionary)

- (void)safeSetManagedValuesForKeysWithDictionary:(NSDictionary *)keyedValues dateFormatter:(NSDateFormatter *)dateFormatter
- (void)safeSetManagedValuesForKeysWithDictionary:(NSDictionary *)keyedValues dateFormatter:(NSDateFormatter *)dateFormatter {
[self safeSetManagedValuesForKeysWithDictionary:keyedValues dateFormatter:dateFormatter mapping:nil];
}

- (void)safeSetManagedValuesForKeysWithDictionary:(NSDictionary *)keyedValues dateFormatter:(NSDateFormatter *)dateFormatter mapping:(NSDictionary *)mapping
{
NSDictionary *attributes = [[self entity] attributesByName];
for (NSString *attribute in attributes) {
id value = [keyedValues objectForKey:attribute];
id value = nil;
if (mapping != nil) { value = [keyedValues objectForKey:[mapping objectForKey:attribute]]; }
else { value = [keyedValues objectForKey:attribute]; }

if (value == nil) {
continue;
}
Expand Down
15 changes: 15 additions & 0 deletions README.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,21 @@ Some categories to map JSON to CoreData model
Credit goes to original author, Tom Harrington :
http://www.cimgf.com/2011/06/02/saving-json-to-core-data/

# EXAMPLE
NSDictionary *mapping = @{
@"name": @"countdownName",
@"date": @"countdownDate"
};

NSDictionary *values = @{
@"countdownName": @"Hello",
@"countdownDate": @"10/29/2008 08:29PM"
};

Countdown *newObject = [NSEntityDescription insertNewObjectForEntityForName:@"Countdown" inManagedObjectContext:self.managedObjectContext];

[newObject safeSetManagedValuesForKeysWithDictionary:values dateFormatter:dateFormat mapping:mapping];

## TODO

This category does not deal with relationships
Expand Down