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  /*
   * 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  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 http://www.novell.com/documentation/nw65/index.html?page=/documentation/nw65/ftp_enu/data/fbhbgcfa.html for more details.

Author(s):
Rory Winston
Version:
$Id: NetwareFTPEntryParser.java 1489361 2013-06-04 09:48:36Z sebb $
Since:
1.5
See also:
org.apache.commons.net.ftp.FTPFileEntryParser FTPFileEntryParser (for usage instructions)
 
 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
             + "\\[(.*)\\]\\s+"                              // Attributes
             + "(\\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 REGEX 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.

Parameters:
config The 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 REGEX is not a valid regular expression.
Since:
1.4
 
     public NetwareFTPEntryParser(FTPClientConfig config) {
         super();
         configure(config);
     }

    
Parses a line of an NetwareFTP server file listing and converts it into a usable format in the form of an FTPFile instance. If the file listing line doesn't describe a file, null is returned, otherwise a FTPFile instance representing the files in the directory is returned.

Netware file permissions are in the following format: RWCEAFMS, and are explained as follows:

  • S - Supervisor; All rights.
  • R - Read; Right to open and read or execute.
  • W - Write; Right to open and modify.
  • C - Create; Right to create; when assigned to a file, allows a deleted file to be recovered.
  • E - Erase; Right to delete.
  • M - Modify; Right to rename a file and to change attributes.
  • F - File Scan; Right to see directory or file listings.
  • A - Access Control; Right to modify trustee assignments and the Inherited Rights Mask.
See here for more details

Parameters:
entry A line of text from the file listing
Returns:
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 FTPClientConfig FTPClientConfig parameter being specified.

Returns:
the default configuration for this parser.
    @Override
    protected FTPClientConfig getDefaultConfiguration() {
        return new FTPClientConfig(FTPClientConfig.SYST_NETWARE,
                nullnull,
                null);
    }
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