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package org.apache.juneau.rest;

import javax.servlet.http.*;

/**
 * Interface class used for logging HTTP requests to the log file.
 *
 * <ul class='seealso'>
 * 	<li class='jf'>{@link RestContext#REST_callLogger}
 * 	<li class='link'>{@doc juneau-rest-server.LoggingAndDebugging}
 * </ul>
 */
public interface RestCallLogger {

	/**
	 * Represents no RestLogger.
	 *
	 * <p>
	 * Used on annotation to indicate that the value should be inherited from the parent class, and
	 * ultimately {@link BasicRestCallLogger} if not specified at any level.
	 */
	public interface Null extends RestCallLogger {}

	/**
	 * Called at the end of a servlet request to log the request.
	 *
	 * @param config The logging configuration.
	 * @param req The servlet request.
	 * @param res The servlet response.
	 */
	public void log(RestCallLoggerConfig config, HttpServletRequest req, HttpServletResponse res);
}