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.Endpoint; 026 import org.apache.camel.spi.RouteContext; 027 import org.apache.camel.util.ObjectHelper; 028 029 /** 030 * Represents an XML <from/> element 031 * 032 * @version $Revision: 750806 $ 033 */ 034 @XmlRootElement(name = "from") 035 @XmlAccessorType(XmlAccessType.FIELD) 036 public class FromDefinition extends OptionalIdentifiedType<FromDefinition> { 037 @XmlAttribute 038 private String uri; 039 @XmlAttribute 040 private String ref; 041 @XmlTransient 042 private Endpoint endpoint; 043 044 public FromDefinition() { 045 } 046 047 public FromDefinition(String uri) { 048 setUri(uri); 049 } 050 051 public FromDefinition(Endpoint endpoint) { 052 this.endpoint = endpoint; 053 } 054 055 @Override 056 public String toString() { 057 return "From[" + getLabel() + "]"; 058 } 059 060 @Override 061 public String getShortName() { 062 return "from"; 063 } 064 065 066 public String getLabel() { 067 return description(getUri(), getRef(), getEndpoint()); 068 } 069 070 public Endpoint resolveEndpoint(RouteContext context) { 071 if (endpoint == null) { 072 endpoint = context.resolveEndpoint(getUri(), getRef()); 073 } 074 return endpoint; 075 } 076 077 // Properties 078 // ----------------------------------------------------------------------- 079 public String getUri() { 080 return uri; 081 } 082 083 /** 084 * Sets the URI of the endpoint to use 085 * 086 * @param uri the endpoint URI to use 087 */ 088 public void setUri(String uri) { 089 this.uri = uri; 090 clear(); 091 } 092 093 public String getRef() { 094 return ref; 095 } 096 097 /** 098 * Sets the name of the endpoint within the registry (such as the Spring 099 * ApplicationContext or JNDI) to use 100 * 101 * @param ref the reference name to use 102 */ 103 public void setRef(String ref) { 104 this.ref = ref; 105 clear(); 106 } 107 108 public Endpoint getEndpoint() { 109 return endpoint; 110 } 111 112 public void setEndpoint(Endpoint endpoint) { 113 this.endpoint = endpoint; 114 } 115 116 /** 117 * Returns the endpoint URI or the name of the reference to it 118 */ 119 public Object getUriOrRef() { 120 if (ObjectHelper.isEmpty(uri)) { 121 return uri; 122 } else if (endpoint != null) { 123 return endpoint.getEndpointUri(); 124 } 125 return ref; 126 } 127 128 // Implementation methods 129 // ----------------------------------------------------------------------- 130 protected static String description(String uri, String ref, Endpoint endpoint) { 131 if (ref != null) { 132 return "ref:" + ref; 133 } else if (endpoint != null) { 134 return endpoint.getEndpointUri(); 135 } else if (uri != null) { 136 return uri; 137 } else { 138 return "no uri or ref supplied!"; 139 } 140 } 141 142 protected void clear() { 143 this.endpoint = null; 144 } 145 146 }