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.spring;
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.XmlRootElement;
023 import javax.xml.bind.annotation.XmlTransient;
024
025 import org.apache.camel.CamelContext;
026 import org.apache.camel.CamelContextAware;
027 import org.apache.camel.impl.DefaultConsumerTemplate;
028 import org.apache.camel.model.IdentifiedType;
029 import org.apache.camel.spring.util.CamelContextResolverHelper;
030 import org.springframework.beans.BeansException;
031 import org.springframework.beans.factory.FactoryBean;
032 import org.springframework.beans.factory.InitializingBean;
033 import org.springframework.context.ApplicationContext;
034 import org.springframework.context.ApplicationContextAware;
035
036 /**
037 * A Spring {@link org.springframework.beans.factory.FactoryBean} for creating a new {@link org.apache.camel.ConsumerTemplate}
038 * instance with a minimum of XML
039 *
040 * @version $Revision: 895337 $
041 */
042 @XmlRootElement(name = "consumerTemplate")
043 @XmlAccessorType(XmlAccessType.FIELD)
044 public class CamelConsumerTemplateFactoryBean extends IdentifiedType implements FactoryBean, InitializingBean, CamelContextAware, ApplicationContextAware {
045 @XmlAttribute
046 private String camelContextId;
047 @XmlTransient
048 private CamelContext camelContext;
049 @XmlTransient
050 private ApplicationContext applicationContext;
051
052 public void afterPropertiesSet() throws Exception {
053 if (camelContext == null && camelContextId != null) {
054 camelContext = CamelContextResolverHelper.getCamelContextWithId(applicationContext, camelContextId);
055 }
056 if (camelContext == null) {
057 throw new IllegalArgumentException("A CamelContext or a CamelContextId must be injected!");
058 }
059 }
060
061 public Object getObject() throws Exception {
062 return new DefaultConsumerTemplate(getCamelContext());
063 }
064
065 public Class getObjectType() {
066 return DefaultConsumerTemplate.class;
067 }
068
069 public boolean isSingleton() {
070 return false;
071 }
072
073 // Properties
074 // -------------------------------------------------------------------------
075 public CamelContext getCamelContext() {
076 return camelContext;
077 }
078
079 public void setCamelContext(CamelContext camelContext) {
080 this.camelContext = camelContext;
081 }
082
083 public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
084 this.applicationContext = applicationContext;
085 }
086
087 public void setCamelContextId(String camelContextId) {
088 this.camelContextId = camelContextId;
089 }
090
091 }