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.interceptor; 018 019 import org.apache.camel.CamelException; 020 import org.apache.camel.Exchange; 021 import org.apache.camel.Processor; 022 import org.apache.camel.processor.DelegateProcessor; 023 024 public class HandleFaultInterceptor extends DelegateProcessor { 025 026 public HandleFaultInterceptor() { 027 super(); 028 } 029 030 public HandleFaultInterceptor(Processor processor) { 031 this(); 032 setProcessor(processor); 033 } 034 035 @Override 036 public String toString() { 037 return "HandleFaultInterceptor[" + processor + "]"; 038 } 039 040 @Override 041 public void process(Exchange exchange) throws Exception { 042 if (processor == null) { 043 return; 044 } 045 046 try { 047 processor.process(exchange); 048 } catch (Exception e) { 049 exchange.setException(e); 050 } 051 052 handleFault(exchange); 053 } 054 055 /** 056 * Handles the fault message by converting it to an Exception 057 */ 058 protected void handleFault(Exchange exchange) { 059 // Take the fault message out before we keep on going 060 if (exchange.hasFault()) { 061 final Object faultBody = exchange.getFault().getBody(); 062 if (faultBody != null && exchange.getException() == null) { 063 // remove fault as we are converting it to an exception 064 exchange.setFault(null); 065 if (faultBody instanceof Exception) { 066 exchange.setException((Exception) faultBody); 067 } else { 068 // wrap it in an exception 069 exchange.setException(new CamelException(faultBody.toString())); 070 } 071 } 072 } 073 } 074 075 }