001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the license for the specific language governing permissions and 015 * limitations under the license. 016 */ 017package org.apache.logging.log4j.core.pattern; 018 019import org.apache.logging.log4j.core.config.plugins.Plugin; 020import org.apache.logging.log4j.util.PerformanceSensitive; 021 022/** 023 * Formats a date by delegating to {@link DatePatternConverter}. The default 024 * date pattern for a %d specifier in a file name is different than 025 * the %d pattern in pattern layout. 026 */ 027@Plugin(name = "FileDatePatternConverter", category = "FileConverter") 028@ConverterKeys({ "d", "date" }) 029@PerformanceSensitive("allocation") 030public final class FileDatePatternConverter { 031 /** 032 * Private constructor. 033 */ 034 private FileDatePatternConverter() { 035 } 036 037 /** 038 * Obtains an instance of pattern converter. 039 * 040 * @param options options, may be null. 041 * @return instance of pattern converter. 042 */ 043 public static PatternConverter newInstance(final String[] options) { 044 if (options == null || options.length == 0) { 045 return DatePatternConverter.newInstance( 046 new String[]{ 047 "yyyy-MM-dd" 048 }); 049 } 050 051 return DatePatternConverter.newInstance(options); 052 } 053}