1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache license, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the license for the specific language governing permissions and 15 * limitations under the license. 16 */ 17 package org.apache.logging.log4j.core.pattern; 18 19 import org.apache.logging.log4j.core.config.plugins.Plugin; 20 21 /** 22 * Formats a date by delegating to {@link DatePatternConverter}. The default 23 * date pattern for a %d specifier in a file name is different than 24 * the %d pattern in pattern layout. 25 */ 26 @Plugin(name = "FileDatePatternConverter", category = "FileConverter") 27 @ConverterKeys({ "d", "date" }) 28 public final class FileDatePatternConverter { 29 /** 30 * Private constructor. 31 */ 32 private FileDatePatternConverter() { 33 } 34 35 /** 36 * Obtains an instance of pattern converter. 37 * 38 * @param options options, may be null. 39 * @return instance of pattern converter. 40 */ 41 public static PatternConverter newInstance(final String[] options) { 42 if (options == null || options.length == 0) { 43 return DatePatternConverter.newInstance( 44 new String[]{ 45 "yyyy-MM-dd" 46 }); 47 } 48 49 return DatePatternConverter.newInstance(options); 50 } 51 }