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     */
017    package org.apache.commons.io.input;
018    
019    /**
020     * {@link TailerListener} Adapter.
021     *
022     * @version $Id: TailerListenerAdapter.java 1304052 2012-03-22 20:55:29Z ggregory $
023     * @since 2.0
024     */
025    public class TailerListenerAdapter implements TailerListener {
026    
027        /**
028         * The tailer will call this method during construction,
029         * giving the listener a method of stopping the tailer.
030         * @param tailer the tailer.
031         */
032        public void init(Tailer tailer) {
033        }
034    
035        /**
036         * This method is called if the tailed file is not found.
037         */
038        public void fileNotFound() {
039        }
040    
041        /**
042         * Called if a file rotation is detected.
043         *
044         * This method is called before the file is reopened, and fileNotFound may
045         * be called if the new file has not yet been created.
046         */
047        public void fileRotated() {
048        }
049    
050        /**
051         * Handles a line from a Tailer.
052         * @param line the line.
053         */
054        public void handle(String line) {
055        }
056    
057        /**
058         * Handles an Exception .
059         * @param ex the exception.
060         */
061        public void handle(Exception ex) {
062        }
063    
064    }