| /* |
| * 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.FTPFile; |
| import org.apache.commons.net.ftp.FTPFileEntryParser; |
| import org.apache.commons.net.ftp.FTPFileEntryParserImpl; |
| |
| /** |
| * This implementation allows to pack some FileEntryParsers together |
| * and handle the case where to returned dirstyle isnt clearly defined. |
| * The matching parser will be cached. |
| * If the cached parser wont match due to the server changed the dirstyle, |
| * a new matching parser will be searched. |
| * |
| * @author Mario Ivankovits <mario@ops.co.at> |
| */ |
| public class CompositeFileEntryParser extends FTPFileEntryParserImpl |
| { |
| private final FTPFileEntryParser[] ftpFileEntryParsers; |
| private FTPFileEntryParser cachedFtpFileEntryParser; |
| |
| public CompositeFileEntryParser(FTPFileEntryParser[] ftpFileEntryParsers) |
| { |
| super(); |
| |
| this.cachedFtpFileEntryParser = null; |
| this.ftpFileEntryParsers = ftpFileEntryParsers; |
| } |
| |
| public FTPFile parseFTPEntry(String listEntry) |
| { |
| if (cachedFtpFileEntryParser != null) |
| { |
| FTPFile matched = cachedFtpFileEntryParser.parseFTPEntry(listEntry); |
| if (matched != null) |
| { |
| return matched; |
| } |
| } |
| else |
| { |
| for (int iterParser=0; iterParser < ftpFileEntryParsers.length; iterParser++) |
| { |
| FTPFileEntryParser ftpFileEntryParser = ftpFileEntryParsers[iterParser]; |
| |
| FTPFile matched = ftpFileEntryParser.parseFTPEntry(listEntry); |
| if (matched != null) |
| { |
| cachedFtpFileEntryParser = ftpFileEntryParser; |
| return matched; |
| } |
| } |
| } |
| return null; |
| } |
| } |