/* * 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.configuration.event; /** * <p> * An event listener interface to be implemented by observers that are * interested in internal errors caused by processing of configuration * properties. * </p> * <p> * Some configuration classes use an underlying storage where each access of a * property can cause an exception. In earlier versions of this library such * exceptions were typically ignored. By implementing this interface and * registering at a configuration object as an error listener it is now possible * for clients to receive notifications about those internal problems. * </p> * * @author <a * href="http://commons.apache.org/configuration/team-list.html">Commons * Configuration team</a> * @version $Id: ConfigurationErrorListener.java 561230 2007-07-31 04:17:09Z rahul $ * @since 1.4 * @see ConfigurationErrorEvent */ public interface ConfigurationErrorListener { /** * Notifies this listener that in an observed configuration an error * occurred. All information available about this error, including the * causing <code>Throwable</code> object, can be obtained from the passed * in event object. * * @param event the event object with information about the error */ void configurationError(ConfigurationErrorEvent event); }