| /** |
| * 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.camel.impl; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.LoggingLevel; |
| import org.apache.camel.RollbackExchangeException; |
| import org.apache.camel.processor.CamelLogger; |
| import org.apache.camel.spi.ExceptionHandler; |
| import org.apache.camel.util.ExchangeHelper; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * A default implementation of {@link ExceptionHandler} which uses a {@link org.apache.camel.processor.CamelLogger} to |
| * log the exception. |
| * <p/> |
| * This implementation will by default log the exception with stack trace at ERROR level. |
| * |
| * @version |
| */ |
| public class LoggingExceptionHandler implements ExceptionHandler { |
| private final CamelLogger logger; |
| |
| public LoggingExceptionHandler(Class<?> ownerType) { |
| this(new CamelLogger(LoggerFactory.getLogger(ownerType), LoggingLevel.ERROR)); |
| } |
| |
| public LoggingExceptionHandler(Class<?> ownerType, LoggingLevel level) { |
| this(new CamelLogger(LoggerFactory.getLogger(ownerType), level)); |
| } |
| |
| public LoggingExceptionHandler(CamelLogger logger) { |
| this.logger = logger; |
| } |
| |
| public void handleException(Throwable exception) { |
| handleException(null, null, exception); |
| } |
| |
| public void handleException(String message, Throwable exception) { |
| handleException(message, null, exception); |
| } |
| |
| public void handleException(String message, Exchange exchange, Throwable exception) { |
| try { |
| String msg = ExchangeHelper.createExceptionMessage(message, exchange, exception); |
| if (isCausedByRollbackExchangeException(exception)) { |
| // do not log stacktrace for intended rollbacks |
| logger.log(msg); |
| } else { |
| logger.log(msg, exception); |
| } |
| } catch (Throwable e) { |
| // the logging exception handler must not cause new exceptions to occur |
| } |
| } |
| |
| protected boolean isCausedByRollbackExchangeException(Throwable exception) { |
| if (exception instanceof RollbackExchangeException) { |
| return true; |
| } else if (exception.getCause() != null) { |
| // recursive children |
| return isCausedByRollbackExchangeException(exception.getCause()); |
| } |
| |
| return false; |
| } |
| } |