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;

}