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.model; 018 019 import java.util.Collections; 020 import java.util.List; 021 import javax.xml.bind.annotation.XmlAccessType; 022 import javax.xml.bind.annotation.XmlAccessorType; 023 import javax.xml.bind.annotation.XmlAttribute; 024 import javax.xml.bind.annotation.XmlRootElement; 025 import javax.xml.bind.annotation.XmlTransient; 026 027 import org.apache.camel.Processor; 028 import org.apache.camel.processor.ThrowExceptionProcessor; 029 import org.apache.camel.spi.RouteContext; 030 import org.apache.camel.util.ObjectHelper; 031 032 /** 033 * Represents an XML <throwException/> element 034 */ 035 @XmlRootElement(name = "throwException") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class ThrowExceptionDefinition extends ProcessorDefinition<ThrowExceptionDefinition> { 038 @XmlAttribute(name = "ref", required = false) 039 private String ref; 040 @XmlTransient 041 private Exception exception; 042 043 public ThrowExceptionDefinition() { 044 } 045 046 @Override 047 public String getShortName() { 048 return "throwException"; 049 } 050 051 @Override 052 public String toString() { 053 return "ThrowException[" + (exception != null ? exception.getClass().getCanonicalName() : "ref: " + ref) + "]"; 054 } 055 056 @Override 057 public Processor createProcessor(RouteContext routeContext) { 058 if (ref != null && exception == null) { 059 this.exception = routeContext.getCamelContext().getRegistry().lookup(ref, Exception.class); 060 } 061 062 ObjectHelper.notNull(exception, "exception or ref", this); 063 return new ThrowExceptionProcessor(exception); 064 } 065 066 @Override 067 @SuppressWarnings("unchecked") 068 public List<ProcessorDefinition> getOutputs() { 069 return Collections.EMPTY_LIST; 070 } 071 072 public Exception getException() { 073 return exception; 074 } 075 076 public void setException(Exception exception) { 077 this.exception = exception; 078 } 079 }