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.blueprint;
018
019 import javax.xml.bind.annotation.XmlAccessType;
020 import javax.xml.bind.annotation.XmlAccessorType;
021 import javax.xml.bind.annotation.XmlAttribute;
022 import javax.xml.bind.annotation.XmlElement;
023 import javax.xml.bind.annotation.XmlRootElement;
024 import javax.xml.bind.annotation.XmlTransient;
025
026 import org.apache.aries.blueprint.ExtendedBlueprintContainer;
027 import org.apache.camel.CamelContext;
028 import org.apache.camel.LoggingLevel;
029 import org.apache.camel.Processor;
030 import org.apache.camel.builder.DefaultErrorHandlerBuilder;
031 import org.apache.camel.builder.ErrorHandlerBuilder;
032 import org.apache.camel.builder.LoggingErrorHandlerBuilder;
033 import org.apache.camel.core.xml.AbstractCamelFactoryBean;
034 import org.apache.camel.model.RedeliveryPolicyDefinition;
035 import org.osgi.service.blueprint.container.BlueprintContainer;
036 import org.osgi.service.blueprint.container.NoSuchComponentException;
037
038 @XmlRootElement(name = "errorHandler")
039 @XmlAccessorType(XmlAccessType.FIELD)
040 public class CamelErrorHandlerFactoryBean extends AbstractCamelFactoryBean<ErrorHandlerBuilder> {
041
042 @XmlAttribute
043 private ErrorHandlerType type = ErrorHandlerType.DefaultErrorHandler;
044 @XmlAttribute
045 private String deadLetterUri;
046 @XmlAttribute
047 private LoggingLevel level = LoggingLevel.ERROR;
048 @XmlAttribute
049 private Boolean useOriginalMessage;
050 @XmlAttribute
051 private String onRedeliveryRef;
052 @XmlAttribute
053 private String retryWhileRef;
054 @XmlElement
055 private RedeliveryPolicyDefinition redeliveryPolicy;
056 @XmlTransient
057 private BlueprintContainer blueprintContainer;
058
059 @Override
060 public ErrorHandlerBuilder getObject() throws Exception {
061 ErrorHandlerBuilder errorHandler = getObjectType().newInstance();
062 if (errorHandler instanceof DefaultErrorHandlerBuilder) {
063 DefaultErrorHandlerBuilder handler = (DefaultErrorHandlerBuilder) errorHandler;
064 if (deadLetterUri != null) {
065 handler.setDeadLetterUri(deadLetterUri);
066 }
067 if (useOriginalMessage != null) {
068 handler.setUseOriginalMessage(useOriginalMessage);
069 }
070 if (redeliveryPolicy != null) {
071 handler.setRedeliveryPolicy(redeliveryPolicy.createRedeliveryPolicy(getCamelContext(), null));
072 }
073 if (onRedeliveryRef != null) {
074 handler.setOnRedelivery(lookup(onRedeliveryRef, Processor.class));
075 }
076 if (retryWhileRef != null) {
077 handler.setRetryWhileRef(retryWhileRef);
078 }
079 } else if (errorHandler instanceof LoggingErrorHandlerBuilder) {
080 LoggingErrorHandlerBuilder handler = (LoggingErrorHandlerBuilder) errorHandler;
081 if (level != null) {
082 handler.setLevel(level);
083 }
084 }
085 return errorHandler;
086 }
087
088 @Override
089 @SuppressWarnings("unchecked")
090 public Class<? extends ErrorHandlerBuilder> getObjectType() {
091 return (Class<ErrorHandlerBuilder>) type.getTypeAsClass();
092 }
093
094 public void setBlueprintContainer(BlueprintContainer blueprintContainer) {
095 this.blueprintContainer = blueprintContainer;
096 }
097
098 protected CamelContext getCamelContextWithId(String camelContextId) {
099 if (blueprintContainer != null) {
100 return (CamelContext) blueprintContainer.getComponentInstance(camelContextId);
101 }
102 return null;
103 }
104
105 protected <T> T lookup(String name, Class<T> type) {
106 try {
107 return type.cast(blueprintContainer.getComponentInstance(name));
108 } catch (NoSuchComponentException e) {
109 return null;
110 }
111 }
112
113 }