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 }