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 */
017
018package org.apache.log4j.pattern;
019
020/**
021 * Formats an date by delegating to DatePatternConverter.  The default
022 * date pattern for a %d specifier in a file name is different than
023 * the %d pattern in pattern layout.
024 *
025 * @author Curt Arnold
026 */
027public final class FileDatePatternConverter {
028  /**
029   * Private constructor.
030   */
031  private FileDatePatternConverter() {
032  }
033
034  /**
035   * Obtains an instance of pattern converter.
036   * @param options options, may be null.
037   * @return instance of pattern converter.
038   */
039  public static PatternConverter newInstance(
040    final String[] options) {
041    if ((options == null) || (options.length == 0)) {
042      return DatePatternConverter.newInstance(
043        new String[] {
044                "yyyy-MM-dd"
045        });
046    }
047
048    return DatePatternConverter.newInstance(options);
049  }
050}