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: 43540 $
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 getShortName() {
050            return "processor";
051        }
052    
053        @Override
054        public String toString() {
055            return "Processor["
056                    + ((ref != null) ? "ref:  " + ref : processor)
057                    + "]";
058        }
059    
060        @Override
061        public String getLabel() {
062            if (ref != null) {
063                return "ref:  " + ref;
064            } else if (processor != null) {
065                return processor.toString();
066            } else {
067                return "";
068            }
069        }
070    
071        public String getRef() {
072            return ref;
073        }
074    
075        public void setRef(String ref) {
076            this.ref = ref;
077        }
078    
079        @Override
080        public Processor createProcessor(RouteContext routeContext) {
081            if (processor == null) {
082                processor = routeContext.lookup(getRef(), Processor.class);
083            }
084            return processor;
085        }
086    }