commons-net-3.6.jar - Apache Commons Net

commons-net-3.6.jar is the JAR file for Apache Commons Net 3.6, which implements the client side of many basic Internet protocols.

commons-net-3.6.jar is distributed as part of the commons-net-3.6-bin.zip download file.

JAR File Size and Download Location:

JAR name: commons-net.jar, commons-net-3.6.jar
Target JDK version: 1.6
Dependency: None
File name: commons-net-3.6.jar
File size: 307410 bytes
Release date: 2017-02-11
Download: Apache Commons Net

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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)
 * @version $Id: NetwareFTPEntryParser.java 1752660 2016-07-14 13:25:39Z sebb $
 * @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(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(String entry) {

        FTPFile f = new FTPFile();
        if (matches(entry)) {
            String dirString = group(1);
            String attrib = group(2);
            String user = group(3);
            String size = group(4);
            String datestr = group(5);
            String name = group(9);

            try {
                f.setTimestamp(super.parseTimestamp(datestr));
            } catch (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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