--- /dev/null
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.log4j.pattern;
+
+/**
+ * Formats an date by delegating to DatePatternConverter. The default
+ * date pattern for a %d specifier in a file name is different than
+ * the %d pattern in pattern layout.
+ *
+ * @author Curt Arnold
+ */
+public final class FileDatePatternConverter {
+ /**
+ * Private constructor.
+ */
+ private FileDatePatternConverter() {
+ }
+
+ /**
+ * Obtains an instance of pattern converter.
+ * @param options options, may be null.
+ * @return instance of pattern converter.
+ */
+ public static PatternConverter newInstance(
+ final String[] options) {
+ if ((options == null) || (options.length == 0)) {
+ return DatePatternConverter.newInstance(
+ new String[] {
+ "yyyy-MM-dd"
+ });
+ }
+
+ return DatePatternConverter.newInstance(options);
+ }
+}