To create an asset manager for our files, use the following steps:
Add a new Objective-C class called
FileManager, which is derived fromAssetsDictionarywithin the Assets group.Define an instance method called
registerPlainText, as shown in the following code:-(NSString *) registerPlainText:(NSString *)filename;
Define another instance method called
registerDictionaryFromJSON, as shown in the following code:-(NSDictionary *) registerDictionaryFromJSON:(NSString *)filename;
Implement the
registerPlainTextmethod with the following content:if ([_dict valueForKey:filename] == nil) { NSString *path = [[NSBundle mainBundle] pathForResource:filename]; NSString *content = [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:nil]; return (NSString *) [self registerAsset:filename withContent:content]; } else { return (NSString *) [self registerAsset:filename withContent:nil]; }Implement the
registerDictionaryFromJSON...