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.spi.RouteContext;
027    
028    /**
029     * Represents an XML <process/> element
030     *
031     * @version $Revision: 41908 $
032     */
033    @XmlRootElement(name = "process")
034    @XmlAccessorType(XmlAccessType.FIELD)
035    public class ProcessorRef extends OutputType<ProcessorType> {
036        @XmlAttribute(required = true)
037        private String ref;
038        @XmlTransient
039        private Processor processor;
040    
041        public ProcessorRef() {
042        }
043    
044        public ProcessorRef(Processor processor) {
045            this.processor = processor;
046        }
047    
048        @Override
049        public String toString() {
050            return "Processor[ref:  " + ref + "]";
051        }
052    
053        @Override
054        public String getLabel() {
055            if (ref != null) {
056                return "ref:  " + ref;
057            } else if (processor != null) {
058                return processor.toString();
059            } else {
060                return "";
061            }
062        }
063    
064        public String getRef() {
065            return ref;
066        }
067    
068        public void setRef(String ref) {
069            this.ref = ref;
070        }
071    
072        @Override
073        public Processor createProcessor(RouteContext routeContext) {
074            if (processor == null) {
075                processor = routeContext.lookup(getRef(), Processor.class);
076            }
077            return processor;
078        }
079    }