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 import org.apache.logging.log4j.util.PerformanceSensitive;
21
22 /**
23 * Formats a date by delegating to {@link DatePatternConverter}. The default
24 * date pattern for a %d specifier in a file name is different than
25 * the %d pattern in pattern layout.
26 */
27 @Plugin(name = "FileDatePatternConverter", category = "FileConverter")
28 @ConverterKeys({ "d", "date" })
29 @PerformanceSensitive("allocation")
30 public final class FileDatePatternConverter {
31 /**
32 * Private constructor.
33 */
34 private FileDatePatternConverter() {
35 }
36
37 /**
38 * Obtains an instance of pattern converter.
39 *
40 * @param options options, may be null.
41 * @return instance of pattern converter.
42 */
43 public static PatternConverter newInstance(final String[] options) {
44 if (options == null || options.length == 0) {
45 return DatePatternConverter.newInstance(
46 new String[]{
47 "yyyy-MM-dd"
48 });
49 }
50
51 return DatePatternConverter.newInstance(options);
52 }
53 }