    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;
    021
    022import org.apache.commons.net.ftp.FTPClientConfig;
    023import org.apache.commons.net.ftp.FTPFile;
    024
    025/**
    026 * @version $Id: OS400FTPEntryParser.java 1489361 2013-06-04 09:48:36Z sebb $
    027 */
    028
    029public class OS400FTPEntryParser extends ConfigurableFTPFileEntryParserImpl
    030{
    031    private static final String DEFAULT_DATE_FORMAT
    032        = "yy/MM/dd HH:mm:ss"; //01/11/09 12:30:24
    033
    034
    035
    036    private static final String REGEX =
    037        "(\\S+)\\s+"                // user
    038        + "(\\d+)\\s+"              // size
    039        + "(\\S+)\\s+(\\S+)\\s+"    // date stuff
    040        + "(\\*\\S+)\\s+"               // *STMF/*DIR
    041        + "(\\S+/?)\\s*";               // filename
    042
    043
    044    /**
    045     * The default constructor for a OS400FTPEntryParser object.
    046     *
    047     * @exception IllegalArgumentException
    048     * Thrown if the regular expression is unparseable.  Should not be seen
    049     * under normal conditions.  It it is seen, this is a sign that
    050     * <code>REGEX</code> is  not a valid regular expression.
    051     */
    052    public OS400FTPEntryParser()
    053    {
    054        this(null);
    055    }
    056
    057    /**
    058     * This constructor allows the creation of an OS400FTPEntryParser object
    059     * with something other than the default configuration.
    060     *
    061     * @param config The {@link FTPClientConfig configuration} object used to
    062     * configure this parser.
    063     * @exception IllegalArgumentException
    064     * Thrown if the regular expression is unparseable.  Should not be seen
    065     * under normal conditions.  It it is seen, this is a sign that
    066     * <code>REGEX</code> is  not a valid regular expression.
    067     * @since 1.4
    068     */
    069    public OS400FTPEntryParser(FTPClientConfig config)
    070    {
    071        super(REGEX);
    072        configure(config);
    073    }
    074
    075
    076//    @Override
    077    public FTPFile parseFTPEntry(String entry)
    078    {
    079
    080        FTPFile file = new FTPFile();
    081        file.setRawListing(entry);
    082        int type;
    083
    084        if (matches(entry))
    085        {
    086            String usr = group(1);
    087            String filesize = group(2);
    088            String datestr = group(3)+" "+group(4);
    089            String typeStr = group(5);
    090            String name = group(6);
    091
    092            try
    093            {
    094                file.setTimestamp(super.parseTimestamp(datestr));
    095            }
    096            catch (ParseException e)
    097            {
    098                // intentionally do nothing
    099            }
    100
    101
    102            if (typeStr.equalsIgnoreCase("*STMF"))
    103            {
    104                type = FTPFile.FILE_TYPE;
    105            }
    106            else if (typeStr.equalsIgnoreCase("*DIR"))
    107            {
    108                type = FTPFile.DIRECTORY_TYPE;
    109            }
    110            else
    111            {
    112                type = FTPFile.UNKNOWN_TYPE;
    113            }
    114
    115            file.setType(type);
    116
    117            file.setUser(usr);
    118
    119            try
    120            {
    121                file.setSize(Long.parseLong(filesize));
    122            }
    123            catch (NumberFormatException e)
    124            {
    125                // intentionally do nothing
    126            }
    127
    128            if (name.endsWith("/"))
    129            {
    130                name = name.substring(0, name.length() - 1);
    131            }
    132            int pos = name.lastIndexOf('/');
    133            if (pos > -1)
    134            {
    135                name = name.substring(pos + 1);
    136            }
    137
    138            file.setName(name);
    139
    140            return file;
    141        }
    142        return null;
    143    }
    144
    145    /**
    146     * Defines a default configuration to be used when this class is
    147     * instantiated without a {@link  FTPClientConfig  FTPClientConfig}
    148     * parameter being specified.
    149     * @return the default configuration for this parser.
    150     */
    151    @Override
    152    protected FTPClientConfig getDefaultConfiguration() {
    153        return new FTPClientConfig(
    154                FTPClientConfig.SYST_OS400,
    155                DEFAULT_DATE_FORMAT,
    156                null, null, null, null);
    157    }
    158
    159}