●プログラム・リスト●

※NSUserDefaultsの拡張（SampleData.h）
@interface NSUserDefaults(SampleDataSupport)
-(void)setSampleData:(SampleData*)obj forKey:(NSString*)aKey;
-(SampleData*)sampleDataForKey:(NSString*)aKey;
-(void)setSampleDataDic:(NSDictionary*)obj forKey:(NSString*)aKey;
-(NSMutableDictionary*)sampleDataDicForKey:(NSString*)aKey;
@end


※NSUserDefaultsの拡張（SampleData.m）

@implementation NSUserDefaults(SampleDataSupport)

-(void)setSampleData:(SampleData*)obj forKey:(NSString*)aKey { 略 }

-(SampleData*)sampleDataForKey:(NSString*)aKey { 略 }

-(void)setSampleDataDic:(NSDictionary*)obj forKey:(NSString*)aKey {
    NSArray* keyarr = [obj allKeys];
    [self setObject:keyarr forKey:aKey];
    for (int i = 0; i < [keyarr count]; i++) {
        SampleData* val = [obj objectForKey:[keyarr objectAtIndex:i]];
        [self setSampleData:val forKey:[keyarr objectAtIndex:i]];
    }
}

-(NSMutableDictionary*)sampleDataDicForKey:(NSString*)aKey {
    NSMutableDictionary* dic = [NSMutableDictionary dictionary];
    NSArray* keyarr = [self arrayForKey:aKey];
    for (int i = 0;i < [keyarr count]; i++){
        SampleData* val = [self sampleDataForKey:[keyarr objectAtIndex:i]];
        [dic setObject:val forKey:[keyarr objectAtIndex:i]];
    }
    return dic;
}

@end