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.camel.spi; 018 019import org.apache.camel.Exchange; 020 021/** 022 * A Strategy pattern for handling exceptions; particularly in asynchronous processes such as consumers. 023 * <p/> 024 * Its important to <b>not</b> throw any exceptions when handling exceptions as they handler 025 * is often invoked in a try .. catch logic already 026 * 027 * @version 028 */ 029public interface ExceptionHandler { 030 031 /** 032 * Handles the given exception 033 * 034 * @param exception the exception 035 */ 036 void handleException(Throwable exception); 037 038 /** 039 * Handles the given exception 040 * 041 * @param message additional message 042 * @param exception the exception 043 */ 044 void handleException(String message, Throwable exception); 045 046 /** 047 * Handles the given exception 048 * 049 * @param message additional message 050 * @param exchange exchange which cause the exception 051 * @param exception the exception 052 */ 053 void handleException(String message, Exchange exchange, Throwable exception); 054}