NSDictionary(GCKAdditions) Category

NSDictionary(GCKAdditions) Category Reference

Overview

A category that adds some convenience methods to NSDictionary for setting and safely looking up values of various types.

These methods are particularly useful for getting and setting fields of JSON data objects.

Instance Method Summary

(NSString *) - gck_stringForKey:withDefaultValue:
 Looks up an NSString value for a key, with a given fallback value. More...
 
(NSString *) - gck_stringForKey:
 Looks up an NSString value for a key, with a fallback value of nil. More...
 
(NSInteger) - gck_integerForKey:withDefaultValue:
 Looks up an NSInteger value for a key, with a given fallback value. More...
 
(NSUInteger) - gck_uintegerForKey:withDefaultValue:
 Looks up an NSUInteger value for a key, with a given fallback value. More...
 
(NSInteger) - gck_integerForKey:
 Looks up an NSInteger value for a key, with a fallback value of 0. More...
 
(NSUInteger) - gck_uintegerForKey:
 Looks up an NSUInteger value for a key, with a fallback value of 0. More...
 
(double) - gck_doubleForKey:withDefaultValue:
 Looks up a double value for a key, with a given fallback value. More...
 
(double) - gck_doubleForKey:
 Looks up a double value for a key, with a fallback value of 0.0. More...
 
(BOOL) - gck_boolForKey:withDefaultValue:
 Looks up a BOOL value for a key, with a given fallback value. More...
 
(BOOL) - gck_boolForKey:
 Looks up a BOOL value for a key, with a fallback value of NO. More...
 
(NSDictionary *) - gck_dictionaryForKey:
 Looks up an NSDictionary value for a key, with a fallback value of nil. More...
 
(NSArray *) - gck_arrayForKey:
 Looks up an NSArray value for a key, with a fallback value of nil. More...
 
(void) - gck_setStringValue:forKey:
 Sets an NSString value for a key. More...
 
(void) - gck_setIntegerValue:forKey:
 Sets an NSInteger value for a key. More...
 
(void) - gck_setUIntegerValue:forKey:
 Sets an NSUInteger value for a key. More...
 
(void) - gck_setDoubleValue:forKey:
 Sets a double value for a key. More...
 
(void) - gck_setBoolValue:forKey:
 Sets a BOOL value for a key. More...
 

Method Detail

- (NSString *) gck_stringForKey: (NSString *)  key
withDefaultValue: (NSString *)  defaultValue 

Looks up an NSString value for a key, with a given fallback value.

Parameters
keyThe key.
defaultValueThe default value to return if the key is not found or if its value is not an NSString.
Returns
The value of the key, if it was found and was an NSString; otherwise the default value.
- (NSString *) gck_stringForKey: (NSString *)  key

Looks up an NSString value for a key, with a fallback value of nil.

Parameters
keyThe key.
Returns
The value of the key, if found it was found and was an NSString; otherwise nil.
- (NSInteger) gck_integerForKey: (NSString *)  key
withDefaultValue: (NSInteger)  defaultValue 

Looks up an NSInteger value for a key, with a given fallback value.

Parameters
keyThe key.
defaultValueThe default value to return if the key is not found or if its value is not an NSNumber.
Returns
The value of the key, if it was found and was an NSNumber; otherwise the default value.
- (NSUInteger) gck_uintegerForKey: (NSString *)  key
withDefaultValue: (NSUInteger)  defaultValue 

Looks up an NSUInteger value for a key, with a given fallback value.

Parameters
keyThe key.
defaultValueThe default value to return if the key is not found or if its value is not an NSNumber.
Returns
The value of the key, if it was found and was an NSNumber; otherwise the default value.
- (NSInteger) gck_integerForKey: (NSString *)  key

Looks up an NSInteger value for a key, with a fallback value of 0.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSNumber; otherwise 0.
- (NSUInteger) gck_uintegerForKey: (NSString *)  key

Looks up an NSUInteger value for a key, with a fallback value of 0.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSNumber; otherwise 0.
- (double) gck_doubleForKey: (NSString *)  key
withDefaultValue: (double)  defaultValue 

Looks up a double value for a key, with a given fallback value.

Parameters
keyThe key.
defaultValueThe default value to return if the key is not found or if its value is not an NSNumber.
Returns
The value of the key, if it was found and was an NSNumber; otherwise the default value.
- (double) gck_doubleForKey: (NSString *)  key

Looks up a double value for a key, with a fallback value of 0.0.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSNumber; otherwise 0.0.
- (BOOL) gck_boolForKey: (NSString *)  key
withDefaultValue: (BOOL)  defaultValue 

Looks up a BOOL value for a key, with a given fallback value.

Parameters
keyThe key.
defaultValueThe default value to return if the key is not found or if its value is not an NSNumber.
Returns
The value of the key, if it was found and was an NSNumber; otherwise the default value.
- (BOOL) gck_boolForKey: (NSString *)  key

Looks up a BOOL value for a key, with a fallback value of NO.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSNumber; otherwise NO.
- (NSDictionary *) gck_dictionaryForKey: (NSString *)  key

Looks up an NSDictionary value for a key, with a fallback value of nil.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSDictionary; otherwise nil.
- (NSArray *) gck_arrayForKey: (NSString *)  key

Looks up an NSArray value for a key, with a fallback value of nil.

Parameters
keyThe key.
Returns
The value of the key, if it was found and was an NSArray; otherwise nil.
- (void) gck_setStringValue: (NSString *)  value
forKey: (NSString *)  key 

Sets an NSString value for a key.

Parameters
valueThe value.
keyThe key.
- (void) gck_setIntegerValue: (NSInteger)  value
forKey: (NSString *)  key 

Sets an NSInteger value for a key.

Parameters
valueThe value.
keyThe key.
- (void) gck_setUIntegerValue: (NSUInteger)  value
forKey: (NSString *)  key 

Sets an NSUInteger value for a key.

Parameters
valueThe value.
keyThe key.
- (void) gck_setDoubleValue: (double)  value
forKey: (NSString *)  key 

Sets a double value for a key.

Parameters
valueThe value.
keyThe key.
- (void) gck_setBoolValue: (BOOL)  value
forKey: (NSString *)  key 

Sets a BOOL value for a key.

Parameters
valueThe value.
keyThe key.

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