001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.apache.commons.io.input; 018 019/** 020 * {@link TailerListener} Adapter. 021 * 022 * @since 2.0 023 */ 024public class TailerListenerAdapter implements TailerListener { 025 026 /** 027 * The tailer will call this method during construction, 028 * giving the listener a method of stopping the tailer. 029 * @param tailer the tailer. 030 */ 031 @Override 032 public void init(final Tailer tailer) { 033 } 034 035 /** 036 * This method is called if the tailed file is not found. 037 */ 038 @Override 039 public void fileNotFound() { 040 } 041 042 /** 043 * Called if a file rotation is detected. 044 * 045 * This method is called before the file is reopened, and fileNotFound may 046 * be called if the new file has not yet been created. 047 */ 048 @Override 049 public void fileRotated() { 050 } 051 052 /** 053 * Handles a line from a Tailer. 054 * @param line the line. 055 */ 056 @Override 057 public void handle(final String line) { 058 } 059 060 /** 061 * Handles an Exception . 062 * @param ex the exception. 063 */ 064 @Override 065 public void handle(final Exception ex) { 066 } 067 068 /** 069 * Called each time the Tailer reaches the end of the file. 070 * 071 * <b>Note:</b> this is called from the tailer thread. 072 * 073 * Note: a future version of commons-io will pull this method up to the TailerListener interface, 074 * for now clients must subclass this class to use this feature. 075 * 076 * @since 2.5 077 */ 078 public void endOfFileReached() { 079 } 080}