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: 751357 $
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 }