1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 18 package org.apache.commons.net.ftp; 19 import java.io.BufferedReader; 20 import java.io.IOException; 21 import java.util.List; 22 23 /** 24 * This abstract class implements both the older FTPFileListParser and 25 * newer FTPFileEntryParser interfaces with default functionality. 26 * All the classes in the parser subpackage inherit from this. 27 * 28 */ 29 public abstract class FTPFileEntryParserImpl 30 implements FTPFileEntryParser 31 { 32 /** 33 * The constructor for a FTPFileEntryParserImpl object. 34 */ 35 public FTPFileEntryParserImpl() 36 { 37 } 38 39 /** 40 * Reads the next entry using the supplied BufferedReader object up to 41 * whatever delemits one entry from the next. This default implementation 42 * simply calls BufferedReader.readLine(). 43 * 44 * @param reader The BufferedReader object from which entries are to be 45 * read. 46 * 47 * @return A string representing the next ftp entry or null if none found. 48 * @exception java.io.IOException thrown on any IO Error reading from the reader. 49 */ 50 // @Override 51 public String readNextEntry(BufferedReader reader) throws IOException 52 { 53 return reader.readLine(); 54 } 55 /** 56 * This method is a hook for those implementors (such as 57 * VMSVersioningFTPEntryParser, and possibly others) which need to 58 * perform some action upon the FTPFileList after it has been created 59 * from the server stream, but before any clients see the list. 60 * 61 * This default implementation does nothing. 62 * 63 * @param original Original list after it has been created from the server stream 64 * 65 * @return <code>original</code> unmodified. 66 */ 67 // @Override 68 public List<String> preParse(List<String> original) { 69 return original; 70 } 71 } 72 73 /* Emacs configuration 74 * Local variables: ** 75 * mode: java ** 76 * c-basic-offset: 4 ** 77 * indent-tabs-mode: nil ** 78 * End: ** 79 */