WebWork2源码分析续一

invocationContext = new ActionContext(contextMap);

invocationContext.setName(proxy.getActionName());

// get a new List so we don't get problems with the iterator if someone changes the list

List interceptorList = new ArrayList(proxy.getConfig().getInterceptors()); //获取配置

interceptors = interceptorList.iterator();

}

public String invoke() throws Exception {

if (executed) {

throw new IllegalStateException("Action has already executed");

}

//这里是执行拦截器的操作, 注: 拦截器本身就是AOP的一个特殊实现,Servlet2.3 中