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 */ 017package org.apache.camel.blueprint; 018 019import java.util.Set; 020import javax.xml.bind.annotation.XmlAccessType; 021import javax.xml.bind.annotation.XmlAccessorType; 022import javax.xml.bind.annotation.XmlAttribute; 023import javax.xml.bind.annotation.XmlElement; 024import javax.xml.bind.annotation.XmlRootElement; 025import javax.xml.bind.annotation.XmlTransient; 026 027import org.apache.camel.CamelContext; 028import org.apache.camel.LoggingLevel; 029import org.apache.camel.Processor; 030import org.apache.camel.builder.DefaultErrorHandlerBuilder; 031import org.apache.camel.builder.ErrorHandlerBuilder; 032import org.apache.camel.builder.LoggingErrorHandlerBuilder; 033import org.apache.camel.core.xml.AbstractCamelFactoryBean; 034import org.apache.camel.model.RedeliveryPolicyDefinition; 035import org.apache.camel.processor.RedeliveryPolicy; 036import org.osgi.service.blueprint.container.BlueprintContainer; 037 038@XmlRootElement(name = "errorHandler") 039@XmlAccessorType(XmlAccessType.FIELD) 040public class CamelErrorHandlerFactoryBean extends AbstractCamelFactoryBean<ErrorHandlerBuilder> { 041 042 @XmlAttribute 043 private ErrorHandlerType type = ErrorHandlerType.DefaultErrorHandler; 044 @XmlAttribute 045 private String deadLetterUri; 046 @XmlAttribute 047 private Boolean deadLetterHandleNewException; 048 @XmlAttribute 049 private LoggingLevel level; 050 @XmlAttribute 051 private String logName; 052 @XmlAttribute 053 private Boolean useOriginalMessage; 054 @XmlAttribute 055 private String onRedeliveryRef; 056 @XmlAttribute 057 private String retryWhileRef; 058 @XmlAttribute 059 private String executorServiceRef; 060 @XmlAttribute 061 private String redeliveryPolicyRef; 062 @XmlElement 063 private RedeliveryPolicyDefinition redeliveryPolicy; 064 @XmlTransient 065 private BlueprintContainer blueprintContainer; 066 067 @Override 068 public ErrorHandlerBuilder getObject() throws Exception { 069 ErrorHandlerBuilder errorHandler = getObjectType().newInstance(); 070 if (errorHandler instanceof DefaultErrorHandlerBuilder) { 071 DefaultErrorHandlerBuilder handler = (DefaultErrorHandlerBuilder) errorHandler; 072 if (deadLetterUri != null) { 073 handler.setDeadLetterUri(deadLetterUri); 074 } 075 if (deadLetterHandleNewException != null) { 076 handler.setDeadLetterHandleNewException(deadLetterHandleNewException); 077 } 078 if (useOriginalMessage != null) { 079 handler.setUseOriginalMessage(useOriginalMessage); 080 } 081 if (redeliveryPolicy != null) { 082 handler.setRedeliveryPolicy(redeliveryPolicy.createRedeliveryPolicy(getCamelContext(), null)); 083 } 084 if (redeliveryPolicyRef != null) { 085 handler.setRedeliveryPolicy(lookup(redeliveryPolicyRef, RedeliveryPolicy.class)); 086 } 087 if (onRedeliveryRef != null) { 088 handler.setOnRedelivery(lookup(onRedeliveryRef, Processor.class)); 089 } 090 if (retryWhileRef != null) { 091 handler.setRetryWhileRef(retryWhileRef); 092 } 093 if (executorServiceRef != null) { 094 handler.setExecutorServiceRef(executorServiceRef); 095 } 096 } else if (errorHandler instanceof LoggingErrorHandlerBuilder) { 097 LoggingErrorHandlerBuilder handler = (LoggingErrorHandlerBuilder) errorHandler; 098 if (level != null) { 099 handler.setLevel(level); 100 } 101 if (logName != null) { 102 handler.setLogName(logName); 103 } 104 } 105 return errorHandler; 106 } 107 108 @Override 109 public Class<? extends ErrorHandlerBuilder> getObjectType() { 110 return type.getTypeAsClass(); 111 } 112 113 public void setBlueprintContainer(BlueprintContainer blueprintContainer) { 114 this.blueprintContainer = blueprintContainer; 115 } 116 117 protected CamelContext getCamelContextWithId(String camelContextId) { 118 if (blueprintContainer != null) { 119 return (CamelContext) blueprintContainer.getComponentInstance(camelContextId); 120 } 121 return null; 122 } 123 124 @Override 125 protected CamelContext discoverDefaultCamelContext() { 126 if (blueprintContainer != null) { 127 Set<String> ids = BlueprintCamelContextLookupHelper.lookupBlueprintCamelContext(blueprintContainer); 128 if (ids.size() == 1) { 129 // there is only 1 id for a BlueprintCamelContext so fallback and use this 130 return getCamelContextWithId(ids.iterator().next()); 131 } 132 } 133 return null; 134 } 135 136 protected <T> T lookup(String name, Class<T> type) { 137 return type.cast(blueprintContainer.getComponentInstance(name)); 138 } 139 140}