响应者链中的iPhone自定义类/对象

I am looking for strategies, best practices and solutions to adding a custom class to the responder chain. This came about because I realized I was handling touch events the same way in several different applications. To make life easy, I wanted to move the functionality into a custom class and have that class become the first responder for touch events. Since my first several ideas did not work, I realized this wasn't going to be an ad-hoc issue I could address.I am looking for strategies, best practices and