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    import org.apache.camel.util.ObjectHelper;
028    
029    /**
030     * Represents an XML <process/> element
031     *
032     * @version $Revision: 791395 $
033     */
034    @XmlRootElement(name = "process")
035    @XmlAccessorType(XmlAccessType.FIELD)
036    public class ProcessDefinition extends OutputDefinition<ProcessorDefinition> {
037        @XmlAttribute(required = true)
038        private String ref;
039        @XmlTransient
040        private Processor processor;
041    
042        public ProcessDefinition() {
043        }
044    
045        public ProcessDefinition(Processor processor) {
046            this.processor = processor;
047        }
048    
049        @Override
050        public String getShortName() {
051            return "process";
052        }
053    
054        @Override
055        public String toString() {
056            return "process["
057                    + ((ref != null) ? "ref:" + ref : processor)
058                    + "]";
059        }
060    
061        @Override
062        public String getLabel() {
063            if (ref != null) {
064                return "ref:" + ref;
065            } else if (processor != null) {
066                return processor.toString();
067            } else {
068                return "";
069            }
070        }
071    
072        public String getRef() {
073            return ref;
074        }
075    
076        public void setRef(String ref) {
077            this.ref = ref;
078        }
079    
080        @Override
081        public Processor createProcessor(RouteContext routeContext) {
082            if (processor == null) {
083                ObjectHelper.notNull(ref, "ref", this);
084                processor = routeContext.lookup(getRef(), Processor.class);
085                ObjectHelper.notNull(processor, "registry entry called " + getRef(), this);
086            }
087            return processor;
088        }
089    }