ava消息过滤器的实现源码，在EJB 通信过程当中，对方可能给你发来你不想要的信息，就像网上常见的垃圾邮件，EJB 只想得到特定的消息，于是需要一个消息过滤系统。本实例实现了一个消息过滤系统的原型。-Realization of AVA source filter in the EJB message, communication process, the other party may send you to what you don t want information, like online common spam, EJB just want to get a specific message, so need a message filtering system. This example implements a message filtering system prototype.