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 }