- No need to write manual NSCoding implementations, just inherit from JSAutoEncodedObject and all NSData encoding and decoding will be done automatically for your class.
- Provides an override point, to let you specify any properties you don't want to encode for a specific class.
- Super-useful when working with Apple's NSData-based APIs, such as NSUserDefaults or GameCenter.
#import "JSAutoEncodedObject.h"
@interface MyClass : JSAutoEncodedObject
@end+ (JSAutoEncodedObjectSchema *)schema
{
return [JSAutoEncodedObjectSchema schemaFromDictionary:@{
@"property1": @"p1",
@"property2": @"p2"
}];
}3. Optional: Override -encodedValueForPropertyNamed: and/or -setValueForPropertyNamed:toDecodedValue: to add custom encoding/decoding to a specific property
- (id)encodedValueForPropertyNamed:(NSString *)propertyName
{
if ([propertyName isEqualToString:@"specialProperty"]) {
return [self.specialProperty stringByAppendingString:@"aCustomSuffix"];
}
return [super encodedValueForPropertyNamed:propertyName];
}
- (void)setValueForPropertyNamed:(NSString *)propertyName toDecodedValue:(id)decodedValue
{
if ([propertyName isEqualToString:@"specialProperty"]) {
NSString *decodedString = [decodedValue stringByReplacingOccurrencesOfString:@"aCustomSuffix" withString:@""];
[super setValueForPropertyNamed:propertyName toDecodedValue:decodedString];
return;
}
[super setValueForPropertyNamed:propertyName toDecodedValue:decodedValue];
}4. Done! You can now encode or decode instaces of your class and let JSAutoEncodedObject take care of the rest
NSData *data = [NSKeyedArchiver archivedDataWithRootObject:myClassInstance];JSAutoEncodedObject also comes with Parse-support for converting your model objects to/from Parse's PFObject (see www.parse.com for more info).
Parse-support is provided through the JSAutoEncodedObject+Prase category.
Why not give me a shout on Twitter: @johnsundell
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