/* Copyright (c) 2011 Peter Troshin
 *  
 *  JAva Bioinformatics Analysis Web Services (JABAWS) @version: 2.0     
 * 
 *  This library is free software; you can redistribute it and/or modify it under the terms of the
 *  Apache License version 2 as published by the Apache Software Foundation
 * 
 *  This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without
 *  even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the Apache 
 *  License for more details.
 * 
 *  A copy of the license is in apache_license.txt. It is also available here:
 * @see: http://www.apache.org/licenses/LICENSE-2.0.txt
 * 
 * Any republication or derived work distributed in source code form
 * must include this copyright and license notice.
 */
package compbio.ws.server;

import javax.servlet.http.HttpServletRequest;
import javax.xml.ws.WebServiceContext;
import javax.xml.ws.handler.MessageContext;

import org.apache.log4j.Level;
import org.apache.log4j.Logger;

import compbio.util.Timer;
import compbio.util.Util;
import compbio.ws.client.Services;

@Deprecated
public class _WSLogger {

	private static final String SPACER = " ";

	private final String wsname;
	private final WebServiceContext wsContext;
	private final Logger wsAccessLog;

	private _WSLogger(Services wsname, WebServiceContext context) {
		this.wsname = wsname.toString();
		this.wsContext = context;
		this.wsAccessLog = Logger.getLogger(wsname.toString() + "-stats");
		assert context != null : "WSContext was not injected";
		assert wsAccessLog != null : "wsAccessLog is not obtained";
	}

	public static final _WSLogger getStatLogger(Services service,
			WebServiceContext wsContext) {
		assert service != null;
		return new _WSLogger(service, wsContext);
	}

	/**
	 * [Request_thread timeofRequest] configured via log4j configuration
	 * RequestSource web_service timeToProcessRequest methodname {taskid}
	 * 
	 * @param statLog
	 * @param wsContext
	 * @param jobId
	 * @param activity
	 */
	private void log(Timer timer, String activity, Level level, String jobId) {
		assert !Util.isEmpty(jobId) || !Util.isEmpty(activity); // At least one
		// of the two must be defined
		if (Util.isEmpty(jobId)) {
			jobId = ""; // prevent is to be printed as null
		} else {
			assert !Util.isEmpty(activity) : "if jobId is defined, then activity must be defined too";
		}

		wsAccessLog.log(level, getRemoteAddress() + SPACER + wsname + SPACER
				+ timer.getTotalTime() + SPACER + activity + SPACER + jobId);
	}

	public void logAll(Timer timer, String activity) {
		assert !Util.isEmpty(activity);
		log(timer, activity, Level.TRACE, "");
	}

	public void logFine(Timer timer, String activity) {
		assert !Util.isEmpty(activity);
		log(timer, activity, Level.DEBUG, "");
	}

	public void log(Timer timer, String activity) {
		assert !Util.isEmpty(activity);
		log(timer, activity, Level.INFO, "");
	}

	public void log(Timer timer, String activity, String jobId) {
		assert !Util.isEmpty(activity);
		log(timer, activity, Level.INFO, jobId);
	}

	/*
	 * 
	 * private static String getDataTimeForLog() { return
	 * DateFormat.getDateTimeInstance(DateFormat.MEDIUM,
	 * DateFormat.SHORT).format(System.currentTimeMillis()); }
	 * 
	 * 
	 * public static String getRemoteAddress(WebServiceContext wsContext) {
	 * assert wsContext != null : "WS context injection failed!"; MessageContext
	 * msContext = wsContext.getMessageContext(); HttpServletRequest request =
	 * (HttpServletRequest) msContext .get(MessageContext.SERVLET_REQUEST);
	 * return request == null ? "127.0.0.1" : request.getRemoteAddr(); }
	 */

	public String getRemoteAddress() {
		assert wsContext != null : "WS context injection failed!";
		MessageContext msContext = wsContext.getMessageContext();
		HttpServletRequest request = (HttpServletRequest) msContext
				.get(MessageContext.SERVLET_REQUEST);
		return request == null ? "127.0.0.1" : request.getRemoteAddr();
	}

}