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
022 import javax.xml.bind.annotation.XmlAccessType;
023 import javax.xml.bind.annotation.XmlAccessorType;
024 import javax.xml.bind.annotation.XmlAttribute;
025 import javax.xml.bind.annotation.XmlRootElement;
026 import javax.xml.bind.annotation.XmlTransient;
027
028 import org.apache.camel.CamelException;
029 import org.apache.camel.Processor;
030 import org.apache.camel.processor.ThrowFaultProcessor;
031 import org.apache.camel.spi.RouteContext;
032
033 /**
034 * Represents an XML <throwFault/> element
035 */
036 @XmlRootElement(name = "throwFault")
037 @XmlAccessorType(XmlAccessType.FIELD)
038 public class ThrowFaultDefinition extends ProcessorDefinition<ThrowFaultDefinition> {
039 @XmlTransient
040 private Throwable fault;
041 @XmlTransient
042 private Processor processor;
043 @XmlAttribute (required = true)
044 private String faultRef;
045
046 public ThrowFaultDefinition() {
047 }
048
049 @Override
050 public String getShortName() {
051 return "throwFault";
052 }
053
054 @Override
055 public String toString() {
056 if (faultRef != null) {
057 return "ThrowFault[ref: " + faultRef + "]";
058 } else {
059 return "ThrowFault[" + fault.getClass().getCanonicalName();
060 }
061 }
062
063 public void setFault(Throwable fault) {
064 this.fault = fault;
065 }
066
067 public Throwable getFault() {
068 return fault;
069 }
070
071 public void setFaultRef(String ref) {
072 this.faultRef = ref;
073 }
074
075 public String getFaultRef() {
076 return faultRef;
077 }
078
079 @Override
080 public Processor createProcessor(RouteContext routeContext) {
081 if (processor == null) {
082 if (fault == null) {
083 fault = routeContext.lookup(faultRef, Throwable.class);
084 if (fault == null) {
085 // can't find the fault instance, create a new one
086 fault = new CamelException(faultRef);
087 }
088 }
089 processor = new ThrowFaultProcessor(fault);
090 }
091 return processor;
092 }
093
094 @Override
095 @SuppressWarnings("unchecked")
096 public List<ProcessorDefinition> getOutputs() {
097 return Collections.EMPTY_LIST;
098 }
099 }