/*
 * Copyright 2016 KairosDB Authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.kairosdb.core.http;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;


public class LoggingFilter implements Filter
{
	private static final Logger log = LoggerFactory.getLogger(LoggingFilter.class);

	@Override
	public void init(FilterConfig filterConfig) throws ServletException
	{
	}

	@Override
	public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException
	{
		if (log.isDebugEnabled())
		{
			StringBuilder sb = new StringBuilder();

			sb.append(servletRequest.getRemoteAddr()).append(" - ");
			sb.append(((HttpServletRequest)servletRequest).getRequestURI());
			log.debug(sb.toString());
		}

		filterChain.doFilter(servletRequest, servletResponse);
	}

	@Override
	public void destroy()
	{
	}
}