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// Copyright (c) 1995-2020 Mort Bay Consulting Pty Ltd and others.
//
// This program and the accompanying materials are made available under
// the terms of the Eclipse Public License 2.0 which is available at
// https://www.eclipse.org/legal/epl-2.0
//
// This Source Code may also be made available under the following
// Secondary Licenses when the conditions for such availability set
// forth in the Eclipse Public License, v. 2.0 are satisfied:
// the Apache License v2.0 which is available at
// https://www.apache.org/licenses/LICENSE-2.0
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package org.eclipse.jetty.server;

import java.io.IOException;

import org.eclipse.jetty.server.handler.RequestLogHandler;

A RequestLog can be attached to a RequestLogHandler to enable logging of requests/responses. 
See Also:
RequestLogHandler.setRequestLog(RequestLog)
Server.setRequestLog(RequestLog)/**
 * A <code>RequestLog</code> can be attached to a {@link org.eclipse.jetty.server.handler.RequestLogHandler} to enable
 * logging of requests/responses.
 *
 * @see RequestLogHandler#setRequestLog(RequestLog)
 * @see Server#setRequestLog(RequestLog)
 */
public interface RequestLog
{
    
Params:
request – The request to log.
response – The response to log. Note that for some requests the response instance may not have been fully populated (Eg 400 bad request responses are sent without a servlet response object). Thus for basic log information it is best to consult Response.getCommittedMetaData() and Response.getHttpChannel() directly./**
     * @param request The request to log.
     * @param response The response to log.  Note that for some requests
     * the response instance may not have been fully populated (Eg 400 bad request
     * responses are sent without a servlet response object).  Thus for basic
     * log information it is best to consult {@link Response#getCommittedMetaData()}
     * and {@link Response#getHttpChannel()} directly.
     */
    void log(Request request, Response response);

    
Writes the generated log string to a log sink
/**
     * Writes the generated log string to a log sink
     */
    interface Writer
    {
        void write(String requestEntry) throws IOException;
    }

    class Collection implements RequestLog
    {
        private final RequestLog[] _logs;

        public Collection(RequestLog... logs)
        {
            _logs = logs;
        }

        @Override
        public void log(Request request, Response response)
        {
            for (RequestLog log : _logs)
            {
                log.log(request, response);
            }
        }
    }
}