FilterChain (Java EE 5 SDK)

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Java EE 5 SDK

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javax.servlet Interface FilterChain

public interface FilterChain

A FilterChain is an object provided by the servlet container to the developer giving a view into the invocation chain of a filtered request for a resource. Filters use the FilterChain to invoke the next filter in the chain, or if the calling filter is the last filter in the chain, to invoke the resource at the end of the chain.

从以下版本开始:: Servlet 2.3
另请参见:: Filter

方法摘要
`void`	`doFilter(ServletRequest request, ServletResponse response)` Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the resource at the end of the chain to be invoked.

方法详细信息

doFilter

void doFilter(ServletRequest request,
              ServletResponse response)
              throws IOException,
                     ServletException

Causes the next filter in the chain to be invoked, or if the calling filter is the last filter in the chain, causes the resource at the end of the chain to be invoked.

参数:: request - the request to pass along the chain.; response - the response to pass along the chain.
抛出异常:: IOException; ServletException
从以下版本开始:: 2.3

概述