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Commons IO example source code file (TailerListener.java)

This example Commons IO source code file (TailerListener.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons IO tags/keywords

tailerlistener, tailerlistener

The Commons IO TailerListener.java source code

/*
 * 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.io.input;

/**
 * Listener for events from a {@link Tailer}.
 *
 * @version $Id: TailerListener.java 1002921 2010-09-30 01:33:38Z sebb $
 * @since Commons IO 2.0
 */
public interface TailerListener {

    /**
     * The tailer will call this method during construction,
     * giving the listener a method of stopping the tailer.
     * @param tailer the tailer.
     */
    public void init(Tailer tailer);

    /**
     * This method is called if the tailed file is not found.
     * <p>
     * <b>Note: this is called from the tailer thread.
     */
    public void fileNotFound();

    /**
     * Called if a file rotation is detected.
     *
     * This method is called before the file is reopened, and fileNotFound may
     * be called if the new file has not yet been created.
     * <p>
     * <b>Note: this is called from the tailer thread.
     */
    public void fileRotated();

    /**
     * Handles a line from a Tailer.
     * <p>
     * <b>Note: this is called from the tailer thread.
     * @param line the line.
     */
    public void handle(String line);

    /**
     * Handles an Exception .
     * <p>
     * <b>Note: this is called from the tailer thread.
     * @param ex the exception.
     */
    public void handle(Exception ex);

}

Other Commons IO examples (source code examples)

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