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 javax.xml.bind.annotation.XmlAccessType; 020 import javax.xml.bind.annotation.XmlAccessorType; 021 import javax.xml.bind.annotation.XmlAttribute; 022 import javax.xml.bind.annotation.XmlRootElement; 023 import javax.xml.bind.annotation.XmlTransient; 024 025 import org.apache.camel.Processor; 026 import org.apache.camel.processor.ThrowExceptionProcessor; 027 import org.apache.camel.spi.RouteContext; 028 import org.apache.camel.util.ObjectHelper; 029 030 /** 031 * Represents an XML <throwException/> element 032 */ 033 @XmlRootElement(name = "throwException") 034 @XmlAccessorType(XmlAccessType.FIELD) 035 public class ThrowExceptionDefinition extends NoOutputDefinition<ThrowExceptionDefinition> { 036 @XmlAttribute(required = true) 037 // the ref is required from tooling and XML DSL 038 private String ref; 039 @XmlTransient 040 private Exception exception; 041 042 public ThrowExceptionDefinition() { 043 } 044 045 @Override 046 public String getShortName() { 047 return "throwException"; 048 } 049 050 @Override 051 public String toString() { 052 return "ThrowException[" + description() + "]"; 053 } 054 055 protected String description() { 056 return exception != null ? exception.getClass().getCanonicalName() : "ref:" + ref; 057 } 058 059 @Override 060 public String getLabel() { 061 return "throwException[" + description() + "]"; 062 } 063 064 @Override 065 public Processor createProcessor(RouteContext routeContext) { 066 if (ref != null && exception == null) { 067 this.exception = routeContext.getCamelContext().getRegistry().lookupByNameAndType(ref, Exception.class); 068 } 069 070 ObjectHelper.notNull(exception, "exception or ref", this); 071 return new ThrowExceptionProcessor(exception); 072 } 073 074 public String getRef() { 075 return ref; 076 } 077 078 public void setRef(String ref) { 079 this.ref = ref; 080 } 081 082 public Exception getException() { 083 return exception; 084 } 085 086 public void setException(Exception exception) { 087 this.exception = exception; 088 } 089 }