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 * Called each time the Tailer reaches the end of the file. 028 * 029 * <strong>Note:</strong> this is called from the tailer thread. 030 * 031 * Note: a future version of commons-io will pull this method up to the TailerListener interface, 032 * for now clients must subclass this class to use this feature. 033 * 034 * @since 2.5 035 */ 036 public void endOfFileReached() { 037 // noop 038 } 039 040 /** 041 * This method is called if the tailed file is not found. 042 */ 043 @Override 044 public void fileNotFound() { 045 // noop 046 } 047 048 /** 049 * Called if a file rotation is detected. 050 * 051 * This method is called before the file is reopened, and fileNotFound may 052 * be called if the new file has not yet been created. 053 */ 054 @Override 055 public void fileRotated() { 056 // noop 057 } 058 059 /** 060 * Handles an Exception . 061 * @param ex the exception. 062 */ 063 @Override 064 public void handle(final Exception ex) { 065 // noop 066 } 067 068 /** 069 * Handles a line from a Tailer. 070 * @param line the line. 071 */ 072 @Override 073 public void handle(final String line) { 074 // noop 075 } 076 077 /** 078 * The tailer will call this method during construction, 079 * giving the listener a method of stopping the tailer. 080 * @param tailer the tailer. 081 */ 082 @Override 083 public void init(final Tailer tailer) { 084 // noop 085 } 086}