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.model;
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.Endpoint;
026    import org.apache.camel.Processor;
027    import org.apache.camel.processor.Enricher;
028    import org.apache.camel.processor.aggregate.AggregationStrategy;
029    import org.apache.camel.spi.RouteContext;
030    
031    /**
032     * @see Enricher
033     */
034    @XmlRootElement(name = "enrich")
035    @XmlAccessorType(XmlAccessType.FIELD)
036    public class EnrichDefinition extends OutputDefinition<EnrichDefinition> {
037    
038        @XmlAttribute(name = "uri", required = true)
039        private String resourceUri;
040        
041        @XmlAttribute(name = "strategyRef", required = false)
042        private String aggregationStrategyRef;
043        
044        @XmlTransient
045        private AggregationStrategy aggregationStrategy;
046        
047        public EnrichDefinition() {
048            this(null, null);
049        }
050        
051        public EnrichDefinition(String resourceUri) {
052            this(null, resourceUri);
053        }
054        
055        public EnrichDefinition(AggregationStrategy aggregationStrategy, String resourceUri) {
056            this.aggregationStrategy = aggregationStrategy;
057            this.resourceUri = resourceUri;
058        }
059        
060        @Override
061        public String toString() {
062            return "Enrich[" + resourceUri + " " + aggregationStrategy + "]";
063        }
064    
065        @Override
066        public String getShortName() {
067            return "enrich";
068        }
069    
070        @Override
071        public Processor createProcessor(RouteContext routeContext) throws Exception {
072            Endpoint endpoint = routeContext.resolveEndpoint(resourceUri);
073            Enricher enricher = new Enricher(null, endpoint.createProducer());
074            if (aggregationStrategyRef != null) {
075                aggregationStrategy = routeContext.lookup(aggregationStrategyRef, AggregationStrategy.class);
076            }
077            if (aggregationStrategy == null) {
078                enricher.setDefaultAggregationStrategy();
079            } else {
080                enricher.setAggregationStrategy(aggregationStrategy);
081            }
082            return enricher;
083        }
084        
085    }