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commons-net-1.4.1.jar - Apache Commons Net
commons-net-1.4.1.jar is the JAR file for Apache Commons Net 1.4.1, which
implements the client side of many basic Internet protocols.
commons-net-1.4.1.jar is distributed as part of the commons-net-1.4.1.zip download file.
JAR File Size and Download Location:
JAR name: commons-net.jar, commons-net-1.4.1.jar Target JDK version: 1.4 Dependency: None File name: commons-net-1.4.1.jar File size: 180792 bytes Date modified: 03-Dec-2005 Download: Apache Commons Net
✍: FYIcenter.com
⏎ org/apache/commons/net/ftp/parser/UnixFTPEntryParser.java
/* * Copyright 2001-2005 The Apache Software Foundation * * Licensed 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 FTPFileEntryParser and FTPFileListParser for standard * Unix Systems. * * This class is based on the logic of Daniel Savarese's * DefaultFTPListParser, but adapted to use regular expressions and to fit the * new FTPFileEntryParser interface. * @version $Id: UnixFTPEntryParser.java 161712 2005-04-18 02:57:04Z scohen $ * @see org.apache.commons.net.ftp.FTPFileEntryParser FTPFileEntryParser (for usage instructions) */ public class UnixFTPEntryParser extends ConfigurableFTPFileEntryParserImpl { /** * months abbreviations looked for by this parser. Also used * to determine which month is matched by the parser */ private static final String DEFAULT_MONTHS = "(Jan|Feb|Mar|Apr|May|Jun|Jul|Aug|Sep|Oct|Nov|Dec)"; static final String DEFAULT_DATE_FORMAT = "MMM d yyyy"; //Nov 9 2001 static final String DEFAULT_RECENT_DATE_FORMAT = "MMM d HH:mm"; //Nov 9 20:06 static final String NUMERIC_DATE_FORMAT = "yyyy-MM-dd HH:mm"; //2001-11-09 20:06 /** * Some Linux distributions are now shipping an FTP server which formats * file listing dates in an all-numeric format: * <code>"yyyy-MM-dd HH:mm</code>. * This is a very welcome development, and hopefully it will soon become * the standard. However, since it is so new, for now, and possibly * forever, we merely accomodate it, but do not make it the default. * <p> * For now end users may specify this format only via * <code>UnixFTPEntryParser(FTPClientConfig)</code>. * Steve Cohen - 2005-04-17 */ public static final FTPClientConfig NUMERIC_DATE_CONFIG = new FTPClientConfig( FTPClientConfig.SYST_UNIX, NUMERIC_DATE_FORMAT, null, null, null, null); /** * this is the regular expression used by this parser. * * Permissions: * r the file is readable * w the file is writable * x the file is executable * - the indicated permission is not granted * L mandatory locking occurs during access (the set-group-ID bit is * on and the group execution bit is off) * s the set-user-ID or set-group-ID bit is on, and the corresponding * user or group execution bit is also on * S undefined bit-state (the set-user-ID bit is on and the user * execution bit is off) * t the 1000 (octal) bit, or sticky bit, is on [see chmod(1)], and * execution is on * T the 1000 bit is turned on, and execution is off (undefined bit- * state) */ private static final String REGEX = "([bcdlfmpSs-])" +"(((r|-)(w|-)([xsStTL-]))((r|-)(w|-)([xsStTL-]))((r|-)(w|-)([xsStTL-])))\\+?\\s+" + "(\\d+)\\s+" + "(\\S+)\\s+" + "(?:(\\S+)\\s+)?" + "(\\d+)\\s+" /* numeric or standard format date */ + "((?:\\d+[-/]\\d+[-/]\\d+)|(?:\\S+\\s+\\S+))\\s+" /* year (for non-recent standard format) or time (for numeric or recent standard format */ + "(\\d+(?::\\d+)?)\\s+" + "(\\S*)(\\s*.*)"; /** * The default constructor for a UnixFTPEntryParser object. * * @exception 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 UnixFTPEntryParser() { this(null); } /** * This constructor allows the creation of a UnixFTPEntryParser object with * something other than the default configuration. * * @param config The {@link FTPClientConfig configuration} object used to * configure this parser. * @exception 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 UnixFTPEntryParser(FTPClientConfig config) { super(REGEX); configure(config); } /** * Parses a line of a unix (standard) 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. * <p> * @param entry A line of text from the file listing * @return An FTPFile instance corresponding to the supplied entry */ public FTPFile parseFTPEntry(String entry) { FTPFile file = new FTPFile(); file.setRawListing(entry); int type; boolean isDevice = false; if (matches(entry)) { String typeStr = group(1); String hardLinkCount = group(15); String usr = group(16); String grp = group(17); String filesize = group(18); String datestr = group(19) + " " + group(20); String name = group(21); String endtoken = group(22); try { file.setTimestamp(super.parseTimestamp(datestr)); } catch (ParseException e) { return null; // this is a parsing failure too. } // bcdlfmpSs- switch (typeStr.charAt(0)) { case 'd': type = FTPFile.DIRECTORY_TYPE; break; case 'l': type = FTPFile.SYMBOLIC_LINK_TYPE; break; case 'b': case 'c': isDevice = true; // break; - fall through case 'f': case '-': type = FTPFile.FILE_TYPE; break; default: type = FTPFile.UNKNOWN_TYPE; } file.setType(type); int g = 4; for (int access = 0; access < 3; access++, g += 4) { // Use != '-' to avoid having to check for suid and sticky bits file.setPermission(access, FTPFile.READ_PERMISSION, (!group(g).equals("-"))); file.setPermission(access, FTPFile.WRITE_PERMISSION, (!group(g + 1).equals("-"))); String execPerm = group(g + 2); if (!execPerm.equals("-") && !Character.isUpperCase(execPerm.charAt(0))) { file.setPermission(access, FTPFile.EXECUTE_PERMISSION, true); } else { file.setPermission(access, FTPFile.EXECUTE_PERMISSION, false); } } if (!isDevice) { try { file.setHardLinkCount(Integer.parseInt(hardLinkCount)); } catch (NumberFormatException e) { // intentionally do nothing } } file.setUser(usr); file.setGroup(grp); try { file.setSize(Long.parseLong(filesize)); } catch (NumberFormatException e) { // intentionally do nothing } if (null == endtoken) { file.setName(name); } else { // oddball cases like symbolic links, file names // with spaces in them. name += endtoken; if (type == FTPFile.SYMBOLIC_LINK_TYPE) { int end = name.indexOf(" -> "); // Give up if no link indicator is present if (end == -1) { file.setName(name); } else { file.setName(name.substring(0, end)); file.setLink(name.substring(end + 4)); } } else { file.setName(name); } } return file; } 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. */ protected FTPClientConfig getDefaultConfiguration() { return new FTPClientConfig( FTPClientConfig.SYST_UNIX, DEFAULT_DATE_FORMAT, DEFAULT_RECENT_DATE_FORMAT, null, null, null); } }
⏎ org/apache/commons/net/ftp/parser/UnixFTPEntryParser.java
Or download all of them as a single archive file:
File name: commons-net-1.4.1-src.zip File size: 324370 bytes Release date: 2013-03-03 Download
⇒ Using commons-net.jar in Java Programs
⇐ What Is commons-net-ftp-2.0.jar
2015-06-03, 56486👍, 0💬
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