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diff --git a/org/apache/commons/net/ftp/parser/FTPTimestampParser.java b/org/apache/commons/net/ftp/parser/FTPTimestampParser.java
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+/*
+ * 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.commons.net.ftp.parser;
+
+import java.text.ParseException;
+import java.util.Calendar;
+
+/**
+ * This interface specifies the concept of parsing an FTP server's 
+ * timestamp.
+ * @since 1.4
+ */
+public interface FTPTimestampParser {
+    
+    /**
+     * the default default date format. 
+     */
+    public static final String DEFAULT_SDF = UnixFTPEntryParser.DEFAULT_DATE_FORMAT;
+    /**
+     * the default recent date format. 
+     */
+    public static final String DEFAULT_RECENT_SDF = UnixFTPEntryParser.DEFAULT_RECENT_DATE_FORMAT;
+    
+    /**
+     * Parses the supplied datestamp parameter.  This parameter typically would 
+     * have been pulled from a longer FTP listing via the regular expression 
+     * mechanism
+     * @param timestampStr - the timestamp portion of the FTP directory listing
+     * to be parsed
+     * @return a <code>java.util.Calendar</code> object initialized to the date
+     * parsed by the parser
+     * @throws ParseException if none of the parser mechanisms belonging to 
+     * the implementor can parse the input.
+     */
+    public Calendar parseTimestamp(String timestampStr) throws ParseException;
+    
+}