/** * Logback: the reliable, generic, fast and flexible logging framework. * Copyright (C) 1999-2013, QOS.ch. All rights reserved. * * This program and the accompanying materials are dual-licensed under * either the terms of the Eclipse Public License v1.0 as published by * the Eclipse Foundation * * or (per the licensee's choosing) * * under the terms of the GNU Lesser General Public License version 2.1 * as published by the Free Software Foundation. */ package ch.qos.logback.classic.pattern; import java.util.List; import java.util.Locale; import java.util.TimeZone; import ch.qos.logback.classic.spi.ILoggingEvent; import ch.qos.logback.core.CoreConstants; import ch.qos.logback.core.util.CachingDateFormatter; public class DateConverter extends ClassicConverter { CachingDateFormatter cachingDateFormatter = null; public void start() { String datePattern = getFirstOption(); if (datePattern == null) { datePattern = CoreConstants.ISO8601_PATTERN; } if (datePattern.equals(CoreConstants.ISO8601_STR)) { datePattern = CoreConstants.ISO8601_PATTERN; } TimeZone tz = TimeZone.getDefault(); Locale locale = Locale.ENGLISH; List<String> optionList = getOptionList(); if (optionList != null) { // Option[1] = Time zone if (optionList.size() > 1) { tz = TimeZone.getTimeZone(optionList.get(1)); } // Option[2] = Locale if (optionList.size() > 2) { locale = parseLocale(optionList.get(2)); } } try { cachingDateFormatter = new CachingDateFormatter(datePattern, locale); } catch (IllegalArgumentException e) { addWarn("Could not instantiate SimpleDateFormat with pattern " + datePattern, e); // default to the ISO8601 format cachingDateFormatter = new CachingDateFormatter(CoreConstants.ISO8601_PATTERN, locale); } cachingDateFormatter.setTimeZone(tz); } private Locale parseLocale(String input) { String[] localeParts = input.split(","); Locale locale; if (localeParts.length > 1) { locale = new Locale(localeParts[0], localeParts[1]); } else { locale = new Locale(localeParts[0]); } return locale; } public String convert(ILoggingEvent le) { long timestamp = le.getTimeStamp(); return cachingDateFormatter.format(timestamp); } }