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/NetwareFTPEntryParser.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 Netware Systems. Note that some of the proprietary
 * extensions for Novell-specific operations are not supported. See
 * <a href="http://www.novell.com/documentation/nw65/index.html?page=/documentation/nw65/ftp_enu/data/fbhbgcfa.html">
 * http://www.novell.com/documentation/nw65/index.html?page=/documentation/nw65/ftp_enu/data/fbhbgcfa.html</a>
 * for more details.
 *
 * @see org.apache.commons.net.ftp.FTPFileEntryParser FTPFileEntryParser (for usage instructions)
 * @since 1.5
 */
public class NetwareFTPEntryParser extends ConfigurableFTPFileEntryParserImpl {

    /**
     * Default date format is e.g. Feb 22 2006
     */
    private static final String DEFAULT_DATE_FORMAT = "MMM dd yyyy";

    /**
     * Default recent date format is e.g. Feb 22 17:32
     */
    private static final String DEFAULT_RECENT_DATE_FORMAT = "MMM dd HH:mm";

    /**
     * this is the regular expression used by this parser.
     * Example: d [-W---F--] SCION_VOL2                        512 Apr 13 23:12 VOL2
     */
    private static final String REGEX = "(d|-){1}\\s+"      // Directory/file flag
            + "\\[([-A-Z]+)\\]\\s+"                         // Attributes RWCEAFMS or -
            + "(\\S+)\\s+" + "(\\d+)\\s+"                   // Owner and size
            + "(\\S+\\s+\\S+\\s+((\\d+:\\d+)|(\\d{4})))"    // Long/short date format
            + "\\s+(.*)";                                   // Filename (incl. spaces)

    /**
     * The default constructor for a NetwareFTPEntryParser 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 NetwareFTPEntryParser() {
        this(null);
    }

    /**
     * This constructor allows the creation of an NetwareFTPEntryParser 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 NetwareFTPEntryParser(final FTPClientConfig config) {
        super(REGEX);
        configure(config);
    }

    /**
     * Parses a line of an NetwareFTP 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.
     * <p>
     * Netware file permissions are in the following format:  RWCEAFMS, and are explained as follows:
     * <ul>
     * <li><b>S</b> - Supervisor; All rights.
     * <li><b>R</b> - Read; Right to open and read or execute.
     * <li><b>W</b> - Write; Right to open and modify.
     * <li><b>C</b> - Create; Right to create; when assigned to a file, allows a deleted file to be recovered.
     * <li><b>E</b> - Erase; Right to delete.
     * <li><b>M</b> - Modify; Right to rename a file and to change attributes.
     * <li><b>F</b> - File Scan; Right to see directory or file listings.
     * <li><b>A</b> - Access Control; Right to modify trustee assignments and the Inherited Rights Mask.
     * </ul>
     *
     * See
     * <a href="http://www.novell.com/documentation/nfap10/index.html?page=/documentation/nfap10/nfaubook/data/abxraws.html">
     * here</a>
     * for more details
     *
     * @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 dirString = group(1);
            final String attrib = group(2);
            final String user = group(3);
            final String size = group(4);
            final String datestr = group(5);
            final String name = group(9);

            try {
                f.setTimestamp(super.parseTimestamp(datestr));
            } catch (final ParseException e) {
                 // intentionally do nothing
            }

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

            f.setUser(user);

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

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

            // Now set the permissions (or at least a subset thereof - full permissions would probably require
            // subclassing FTPFile and adding extra metainformation there)
            if (attrib.indexOf('R') != -1) {
                f.setPermission(FTPFile.USER_ACCESS, FTPFile.READ_PERMISSION,
                        true);
            }
            if (attrib.indexOf('W') != -1) {
                f.setPermission(FTPFile.USER_ACCESS, FTPFile.WRITE_PERMISSION,
                        true);
            }

            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_NETWARE,
                DEFAULT_DATE_FORMAT, DEFAULT_RECENT_DATE_FORMAT);
    }

}

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

 

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