    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.commons.net.ftp.parser;
    019
    020import java.text.ParseException;
    021import java.util.Calendar;
    022
    023/**
    024 * This interface specifies the concept of parsing an FTP server's
    025 * timestamp.
    026 * @since 1.4
    027 */
    028public interface FTPTimestampParser {
    029
    030    /**
    031     * the default default date format.
    032     */
    033    String DEFAULT_SDF = UnixFTPEntryParser.DEFAULT_DATE_FORMAT;
    034    /**
    035     * the default recent date format.
    036     */
    037    String DEFAULT_RECENT_SDF = UnixFTPEntryParser.DEFAULT_RECENT_DATE_FORMAT;
    038
    039    /**
    040     * Parses the supplied datestamp parameter.  This parameter typically would
    041     * have been pulled from a longer FTP listing via the regular expression
    042     * mechanism
    043     * @param timestampStr - the timestamp portion of the FTP directory listing
    044     * to be parsed
    045     * @return a <code>java.util.Calendar</code> object initialized to the date
    046     * parsed by the parser
    047     * @throws ParseException if none of the parser mechanisms belonging to
    048     * the implementor can parse the input.
    049     */
    050    Calendar parseTimestamp(String timestampStr) throws ParseException;
    051
    052}