#import "JSONCacheFile.h"

@implementation JSONCacheFile

-(instancetype)initWithKey:(NSString*)key andEtag:(NSString*)etag

{

self = [super init];

if (self!=nil) {

if (etag!=nil) {

self.fileName = [NSString stringWithFormat:@"%@~%@~etag",key,etag];

} else {

self.fileName = key;

}

self.modificationTime = [[NSDate date] timeIntervalSinceReferenceDate];

}

return self;

}

-(void)setFileName:(NSString *)fileName

{

_fileName = fileName;

if ([_fileName hasSuffix:@"etag"]) {

//etag attached to object name

NSArray* nameParts = [_fileName componentsSeparatedByString:@"~"];

if (nameParts.count>2) {

_etag = nameParts[nameParts.count-2];

_key = nameParts[nameParts.count-3];

}

} else {

_key = fileName;

}

}

-(NSString*)description

{

return [@{@"key":self.key,@"name":self.fileName,@"etag":self.etag?self.etag:@""} debugDescription];

}