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.Processor;
026    import org.apache.camel.impl.RouteContext;
027    
028    /**
029     * @version $Revision: 36321 $
030     */
031    @XmlRootElement(name = "process")
032    @XmlAccessorType(XmlAccessType.FIELD)
033    public class ProcessorRef extends OutputType<ProcessorType> {
034        @XmlAttribute(required = true)
035        private String ref;
036        @XmlTransient
037        private Processor processor;
038    
039        public ProcessorRef() {
040        }
041    
042        public ProcessorRef(Processor processor) {
043            this.processor = processor;
044        }
045    
046        @Override
047        public String toString() {
048            return "Processor[ref:  " + ref + "]";
049        }
050    
051        @Override
052        public String getLabel() {
053            if (ref != null) {
054                return "ref:  " + ref;
055            } else if (processor != null) {
056                return processor.toString();
057            } else {
058                return "";
059            }
060        }
061    
062        public String getRef() {
063            return ref;
064        }
065    
066        public void setRef(String ref) {
067            this.ref = ref;
068        }
069    
070        @Override
071        public Processor createProcessor(RouteContext routeContext) {
072            if (processor == null) {
073                processor = routeContext.lookup(getRef(), Processor.class);
074            }
075            return processor;
076        }
077    }