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.core.xml;
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.XmlTransient;
023    
024    import org.apache.camel.CamelContext;
025    import org.apache.camel.CamelContextAware;
026    import org.apache.camel.model.IdentifiedType;
027    
028    @XmlAccessorType(XmlAccessType.FIELD)
029    public abstract class AbstractCamelFactoryBean<T> extends IdentifiedType implements CamelContextAware {
030    
031        @XmlAttribute
032        private String camelContextId;
033        @XmlTransient
034        private CamelContext camelContext;
035    
036        public abstract T getObject() throws Exception;
037    
038        protected abstract CamelContext getCamelContextWithId(String camelContextId);
039    
040        public void afterPropertiesSet() throws Exception {
041        }
042    
043        public void destroy() throws Exception {
044        }
045    
046        public CamelContext getCamelContext() {
047            if (camelContext == null && camelContextId != null) {
048                camelContext = getCamelContextWithId(camelContextId);
049            }
050            return camelContext;
051        }
052    
053        public void setCamelContext(CamelContext camelContext) {
054            this.camelContext = camelContext;
055        }
056    
057        public String getCamelContextId() {
058            return camelContextId;
059        }
060    
061        public void setCamelContextId(String camelContextId) {
062            this.camelContextId = camelContextId;
063        }
064    
065        public boolean isSingleton() {
066            return true;
067        }
068    
069        public abstract Class<? extends T> getObjectType();
070    
071    }