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.processor.DelegateProcessor; 027 import org.apache.camel.spi.RouteContext; 028 import static org.apache.camel.util.ObjectHelper.notNull; 029 030 /** 031 * Base class for interceptor types. 032 * 033 * @version $Revision: 751357 $ 034 */ 035 @XmlRootElement(name = "interceptor") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class InterceptorDefinition extends AbstractInterceptorDefinition { 038 @XmlAttribute(required = true) 039 private String ref; 040 @XmlTransient 041 private DelegateProcessor interceptor; 042 043 public InterceptorDefinition() { 044 } 045 046 public InterceptorDefinition(String ref) { 047 setRef(ref); 048 } 049 050 public InterceptorDefinition(DelegateProcessor interceptor) { 051 this.interceptor = interceptor; 052 } 053 054 @Override 055 public String toString() { 056 return "Interceptor[" + getLabel() + "]"; 057 } 058 059 @Override 060 public String getShortName() { 061 return "interceptor"; 062 } 063 064 @Override 065 public Processor createProcessor(RouteContext routeContext) throws Exception { 066 DelegateProcessor processor = createInterceptor(routeContext); 067 Processor child = createOutputsProcessor(routeContext); 068 processor.setProcessor(child); 069 return processor; 070 } 071 072 public DelegateProcessor createInterceptor(RouteContext routeContext) { 073 if (interceptor == null) { 074 interceptor = routeContext.lookup(getRef(), DelegateProcessor.class); 075 } 076 notNull(interceptor, "registry entry called " + getRef(), this); 077 return interceptor; 078 } 079 080 public String getRef() { 081 return ref; 082 } 083 084 public void setRef(String ref) { 085 this.ref = ref; 086 } 087 088 public String getLabel() { 089 if (ref != null) { 090 return "ref: " + ref; 091 } else if (interceptor != null) { 092 return interceptor.toString(); 093 } else { 094 return ""; 095 } 096 } 097 098 /** 099 * Get the underlying {@link DelegateProcessor} implementation 100 */ 101 @XmlTransient 102 public DelegateProcessor getInterceptor() { 103 return interceptor; 104 } 105 }