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 */ 017 package org.apache.camel.processor; 018 019 import org.apache.camel.AsyncCallback; 020 import org.apache.camel.AsyncProcessor; 021 import org.apache.camel.Exchange; 022 import org.apache.camel.Traceable; 023 import org.apache.camel.support.ServiceSupport; 024 import org.apache.camel.util.AsyncProcessorHelper; 025 import org.apache.camel.util.ObjectHelper; 026 027 /** 028 * The processor which sets an {@link Exception} on the {@link Exchange} 029 */ 030 public class ThrowExceptionProcessor extends ServiceSupport implements AsyncProcessor, Traceable { 031 private final Exception exception; 032 033 public ThrowExceptionProcessor(Exception exception) { 034 ObjectHelper.notNull(exception, "exception", this); 035 this.exception = exception; 036 } 037 038 public void process(Exchange exchange) throws Exception { 039 AsyncProcessorHelper.process(this, exchange); 040 } 041 042 public boolean process(Exchange exchange, AsyncCallback callback) { 043 exchange.setException(exception); 044 callback.done(true); 045 return true; 046 } 047 048 public String getTraceLabel() { 049 return "throwException[" + exception.getClass().getSimpleName() + "]"; 050 } 051 052 public String toString() { 053 return "ThrowException"; 054 } 055 056 @Override 057 protected void doStart() throws Exception { 058 // noop 059 } 060 061 @Override 062 protected void doStop() throws Exception { 063 // noop 064 } 065 }