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在一个动态创建的类别中执行协议类方法
原标题:perform protocol Class method at a dynamically created class

以下是我的情况:

我有一个协议 与类方法 剖析一个NSDDlogy 并返回一个对象 执行我的协议:

@protocol RCParsableObject <NSObject>
/** 
  Parses an object from an NSDictionary representation
  Return: A object created from the NSDictionary representation
 */
+(id<RCParsableObject>)parseObjectFromDictonary:(NSDictionary*)object;
@end

在我的代码的一部分 我有一个班级的名字 在NSString执行协议:

//dict is the dictionary I want to parse
Class class= NSClassFromString(type);
if ([class conformsToProtocol:@protocol(RCParsableObject)]) {
   //NSObject* object = [class parseObjectFromDictionary:dict];//Obviously that don t works but shows what I want     
}

如果我想在内部 执行协议的类方法, 我知道它可以执行, 因为如果。 我该怎么做呢? 它相当于:

NSObject * object = [class performSelector:_selector];

对于类物体?

最佳回答

这就是你做它的方式,除非你会想要输入将返回值保留在 id id<RCParsibleObject> 的变量。不需要 performationselector: 或类似的东西——当选择者是动态选择时,这些变量是有用的,但这里的情况并非如此。

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