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.XmlRootElement;
022    import javax.xml.bind.annotation.XmlTransient;
023    
024    import org.apache.camel.CamelContext;
025    import org.apache.camel.CamelContextAware;
026    import org.apache.camel.impl.DefaultConsumerTemplate;
027    import org.apache.camel.model.IdentifiedType;
028    import org.springframework.beans.factory.FactoryBean;
029    import org.springframework.beans.factory.InitializingBean;
030    
031    /**
032     * A Spring {@link org.springframework.beans.factory.FactoryBean} for creating a new {@link org.apache.camel.ConsumerTemplate}
033     * instance with a minimum of XML
034     *
035     * @version $Revision: 759657 $
036     */
037    @XmlRootElement(name = "consumer")
038    @XmlAccessorType(XmlAccessType.FIELD)
039    public class CamelConsumerTemplateFactoryBean extends IdentifiedType implements FactoryBean, InitializingBean, CamelContextAware {
040        @XmlTransient
041        private CamelContext camelContext;
042    
043        public void afterPropertiesSet() throws Exception {
044            if (camelContext == null) {
045                throw new IllegalArgumentException("A CamelContext must be injected!");
046            }
047        }
048    
049        public Object getObject() throws Exception {
050            return new DefaultConsumerTemplate(getCamelContext());
051        }
052    
053        public Class getObjectType() {
054            return DefaultConsumerTemplate.class;
055        }
056    
057        public boolean isSingleton() {
058            return true;
059        }
060    
061        // Properties
062        // -------------------------------------------------------------------------
063        public CamelContext getCamelContext() {
064            return camelContext;
065        }
066    
067        public void setCamelContext(CamelContext camelContext) {
068            this.camelContext = camelContext;
069        }
070    
071    }