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.ArrayList;
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.XmlElement;
025 import javax.xml.bind.annotation.XmlElementRef;
026 import javax.xml.bind.annotation.XmlRootElement;
027 import javax.xml.bind.annotation.XmlTransient;
028
029 import org.apache.camel.Processor;
030 import org.apache.camel.impl.RouteContext;
031 import org.apache.camel.processor.CatchProcessor;
032 import org.apache.camel.util.ObjectHelper;
033
034 /**
035 * @version $Revision: 35332 $
036 */
037 @XmlRootElement(name = "catch")
038 @XmlAccessorType(XmlAccessType.FIELD)
039 public class CatchType extends ProcessorType<ProcessorType> {
040 @XmlElement(name = "exception")
041 private List<String> exceptions = new ArrayList<String>();
042 @XmlElementRef
043 private List<ProcessorType<?>> outputs = new ArrayList<ProcessorType<?>>();
044 @XmlTransient
045 private List<Class> exceptionClasses;
046
047 public CatchType() {
048 }
049
050 public CatchType(List<Class> exceptionClasses) {
051 this.exceptionClasses = exceptionClasses;
052 }
053
054 public CatchType(Class exceptionType) {
055 exceptionClasses = new ArrayList<Class>();
056 exceptionClasses.add(exceptionType);
057 }
058
059 @Override
060 public String toString() {
061 return "Catch[ " + getExceptionClasses() + " -> " + getOutputs() + "]";
062 }
063
064 @Override
065 public String getLabel() {
066 return getExceptionClasses().toString();
067 }
068
069 @Override
070 public CatchProcessor createProcessor(RouteContext routeContext) throws Exception {
071 Processor childProcessor = routeContext.createProcessor(this);
072 return new CatchProcessor(getExceptionClasses(), childProcessor);
073 }
074
075 public List<ProcessorType<?>> getOutputs() {
076 return outputs;
077 }
078
079 public void setOutputs(List<ProcessorType<?>> outputs) {
080 this.outputs = outputs;
081 }
082
083 public List<Class> getExceptionClasses() {
084 if (exceptionClasses == null) {
085 exceptionClasses = createExceptionClasses();
086 }
087 return exceptionClasses;
088 }
089
090 public void setExceptionClasses(List<Class> exceptionClasses) {
091 this.exceptionClasses = exceptionClasses;
092 }
093
094 public List<String> getExceptions() {
095 return exceptions;
096 }
097
098 public void setExceptions(List<String> exceptions) {
099 this.exceptions = exceptions;
100 }
101
102 protected List<Class> createExceptionClasses() {
103 List<String> list = getExceptions();
104 List<Class> answer = new ArrayList<Class>(list.size());
105 for (String name : list) {
106 Class type = ObjectHelper.loadClass(name, getClass().getClassLoader());
107 answer.add(type);
108 }
109 return answer;
110 }
111 }