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package org.glassfish.jersey.servlet.spi;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Factory to create {@link AsyncContextDelegate} to deal with asynchronous
 * features added in Servlet version 3.0.
 * If no such a factory is registered via the {@code META-INF/services} mechanism
 * a default factory for Servlet versions prior to 3.0 will be utilized with no async support.
 *
 * @author Jakub Podlesak (jakub.podlesak at oracle.com)
 */
public interface AsyncContextDelegateProvider {

    /**
     * Factory method to create instances of Servlet container response writer extension,
     * {@link AsyncContextDelegate}, for response processing.
     *
     * @param request original request.
     * @param response original response.
     * @return an instance to be used throughout a single response write processing.
     */
    public AsyncContextDelegate createDelegate(final HttpServletRequest request, final HttpServletResponse response);
}