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.builder; 018 019import org.apache.camel.AsyncCallback; 020import org.apache.camel.Exchange; 021import org.apache.camel.Processor; 022import org.apache.camel.processor.DelegateAsyncProcessor; 023import org.apache.camel.spi.RouteContext; 024 025/** 026 * A builder to disable the use of an error handler so that any exceptions are thrown. 027 * This not recommended in general, the 028 * <a href="http://camel.apache.org/dead-letter-channel.html">Dead Letter Channel</a> should be used 029 * if you are unsure; however it can be useful sometimes to disable an error handler inside a complex route 030 * so that exceptions bubble up to the parent {@link Processor} 031 * 032 * @version 033 */ 034public class NoErrorHandlerBuilder extends ErrorHandlerBuilderSupport { 035 036 public Processor createErrorHandler(RouteContext routeContext, Processor processor) { 037 return new DelegateAsyncProcessor(processor) { 038 @Override 039 public boolean process(final Exchange exchange, final AsyncCallback callback) { 040 return super.process(exchange, new AsyncCallback() { 041 @Override 042 public void done(boolean doneSync) { 043 exchange.removeProperty(Exchange.REDELIVERY_EXHAUSTED); 044 callback.done(doneSync); 045 } 046 }); 047 } 048 049 @Override 050 public String toString() { 051 if (processor == null) { 052 // if no output then dont do any description 053 return ""; 054 } 055 return "NoErrorHandler[" + processor + "]"; 056 } 057 }; 058 } 059 060 public boolean supportTransacted() { 061 return false; 062 } 063 064 @Override 065 public ErrorHandlerBuilder cloneBuilder() { 066 NoErrorHandlerBuilder answer = new NoErrorHandlerBuilder(); 067 cloneBuilder(answer); 068 return answer; 069 } 070}