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.Service; 027 import org.apache.camel.processor.WrapProcessor; 028 import org.apache.camel.spi.Required; 029 import org.apache.camel.spi.RouteContext; 030 import org.apache.camel.util.ObjectHelper; 031 032 /** 033 * Represents an XML <process/> element 034 * 035 * @version 036 */ 037 @XmlRootElement(name = "process") 038 @XmlAccessorType(XmlAccessType.FIELD) 039 public class ProcessDefinition extends NoOutputDefinition<ProcessDefinition> { 040 @XmlAttribute(required = true) 041 private String ref; 042 @XmlTransient 043 private Processor processor; 044 045 public ProcessDefinition() { 046 } 047 048 public ProcessDefinition(Processor processor) { 049 this.processor = processor; 050 } 051 052 @Override 053 public String getShortName() { 054 return "process"; 055 } 056 057 @Override 058 public String toString() { 059 return "process[" 060 + ((ref != null) ? "ref:" + ref : processor) 061 + "]"; 062 } 063 064 @Override 065 public String getLabel() { 066 if (ref != null) { 067 return "ref:" + ref; 068 } else if (processor != null) { 069 return processor.toString(); 070 } else { 071 return ""; 072 } 073 } 074 075 public String getRef() { 076 return ref; 077 } 078 079 @Required 080 public void setRef(String ref) { 081 this.ref = ref; 082 } 083 084 @Override 085 public Processor createProcessor(RouteContext routeContext) { 086 Processor answer = processor; 087 if (processor == null) { 088 ObjectHelper.notNull(ref, "ref", this); 089 answer = routeContext.mandatoryLookup(getRef(), Processor.class); 090 } 091 092 // ensure its wrapped in a Service so we can manage it from eg. JMX 093 // (a Processor must be a Service to be enlisted in JMX) 094 if (!(answer instanceof Service)) { 095 answer = new WrapProcessor(answer, answer); 096 } 097 return answer; 098 } 099 }