commons-net.jar Source Code

commons-net.jar is the bytecode of Apache Commons Net library, which implements the client side of many basic Internet protocols.

Apache Commons Net Source Code files are provided in the binary packge (commons-net-3.8.0-bin.zip). You can download it at Apache Commons Net Website.

The source code of commons-net-3.8.0.jar is provided below:

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org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java

/*
 * 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 org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPFile;

/**
 * Implementation of FTPFileEntryParser and FTPFileListParser for OS2 Systems.
 *
 * @see org.apache.commons.net.ftp.FTPFileEntryParser FTPFileEntryParser (for usage instructions)
 */
public class OS2FTPEntryParser extends ConfigurableFTPFileEntryParserImpl

{

    private static final String DEFAULT_DATE_FORMAT
        = "MM-dd-yy HH:mm"; //11-09-01 12:30
    /**
     * this is the regular expression used by this parser.
     */
    private static final String REGEX =
        "\\s*([0-9]+)\\s*"
        + "(\\s+|[A-Z]+)\\s*"
        + "(DIR|\\s+)\\s*"
        + "(\\S+)\\s+(\\S+)\\s+" /* date stuff */
        + "(\\S.*)";

    /**
     * The default constructor for a OS2FTPEntryParser object.
     *
     * @throws IllegalArgumentException
     * Thrown if the regular expression is unparseable.  Should not be seen
     * under normal conditions.  It it is seen, this is a sign that
     * <code>REGEX</code> is  not a valid regular expression.
     */
    public OS2FTPEntryParser()
    {
        this(null);
    }

    /**
     * This constructor allows the creation of an OS2FTPEntryParser object
     * with something other than the default configuration.
     *
     * @param config The {@link FTPClientConfig configuration} object used to
     * configure this parser.
     * @throws IllegalArgumentException
     * Thrown if the regular expression is unparseable.  Should not be seen
     * under normal conditions.  It it is seen, this is a sign that
     * <code>REGEX</code> is  not a valid regular expression.
     * @since 1.4
     */
     public OS2FTPEntryParser(final FTPClientConfig config)
    {
        super(REGEX);
        configure(config);
    }

    /**
     * Parses a line of an OS2 FTP server file listing and converts it into a
     * usable format in the form of an <code> FTPFile </code> instance.  If the
     * file listing line doesn't describe a file, <code> null </code> is
     * returned, otherwise a <code> FTPFile </code> instance representing the
     * files in the directory is returned.
     *
     * @param entry A line of text from the file listing
     * @return An FTPFile instance corresponding to the supplied entry
     */
    @Override
    public FTPFile parseFTPEntry(final String entry)
    {

        final FTPFile f = new FTPFile();
        if (matches(entry))
        {
            final String size = group(1);
            final String attrib = group(2);
            final String dirString = group(3);
            final String datestr = group(4)+" "+group(5);
            final String name = group(6);
            try
            {
                f.setTimestamp(super.parseTimestamp(datestr));
            }
            catch (final ParseException e)
            {
                // intentionally do nothing
            }


            //is it a DIR or a file
            if (dirString.trim().equals("DIR") || attrib.trim().equals("DIR"))
            {
                f.setType(FTPFile.DIRECTORY_TYPE);
            }
            else
            {
                f.setType(FTPFile.FILE_TYPE);
            }


            //set the name
            f.setName(name.trim());

            //set the size
            f.setSize(Long.parseLong(size.trim()));

            return f;
        }
        return null;

    }

    /**
     * Defines a default configuration to be used when this class is
     * instantiated without a {@link  FTPClientConfig  FTPClientConfig}
     * parameter being specified.
     * @return the default configuration for this parser.
     */
    @Override
    protected FTPClientConfig getDefaultConfiguration() {
        return new FTPClientConfig(
                FTPClientConfig.SYST_OS2,
                DEFAULT_DATE_FORMAT,
                null);
    }

}

org/apache/commons/net/ftp/parser/OS2FTPEntryParser.java

 

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Release date: 2020-01-22
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