javax.servlet.FilterChain Maven / Gradle / Ivy
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package javax.servlet;
import java.io.IOException;
/**
* 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.
*
* @see Filter
* @since Servlet 2.3
*/
public interface FilterChain {
/**
* 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.
*
* @param request the request to pass along the chain.
* @param response the response to pass along the chain.
* @throws IOException if an I/O related error has occurred during the processing
* @throws ServletException if an exception has occurred that interferes with the
* filterChain's normal operation
*/
public void doFilter(ServletRequest request, ServletResponse response) throws IOException, ServletException;
}