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.Configurable;
- import org.apache.commons.net.ftp.FTPClientConfig;
- import org.apache.commons.net.ftp.FTPFile;
- import org.apache.commons.net.ftp.FTPFileEntryParser;
- /**
- * Implements of {@link FTPFileEntryParser} and {@link Configurable} for OS/2 Systems.
- *
- * @see FTPFileEntryParser 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. If 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. If 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);
- }
- /**
- * 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);
- }
- /**
- * 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;
- }
- }