That is the significant difference between the two types of compressing interceptor; the compression algorithm and the form of information used in the Bus context or SOAP header is the same.
Using interfaces as method parameters is (in IoC terms) a form of context IoC, applied on a dependency of the caller.
使用接口作为方法参数是上下文IoC的一种形式(这是ioc术语)，应用于调用程序的依赖项。
3
All other components of your JSF-Acegi application (listeners, filters, and servlets) store information about application resources in the form of attributes in the servlet context object.