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.Exchange; 027 import org.apache.camel.spi.RouteContext; 028 import org.apache.camel.util.ObjectHelper; 029 030 /** 031 * Represents an XML <from/> element 032 * 033 * @version $Revision: 43540 $ 034 */ 035 @XmlRootElement(name = "from") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class FromType extends OptionalIdentifiedType<FromType> { 038 @XmlAttribute 039 private String uri; 040 @XmlAttribute 041 private String ref; 042 @XmlTransient 043 private Endpoint<? extends Exchange> endpoint; 044 045 public FromType() { 046 } 047 048 public FromType(String uri) { 049 setUri(uri); 050 } 051 052 public FromType(Endpoint<? extends Exchange> endpoint) { 053 this.endpoint = endpoint; 054 } 055 056 @Override 057 public String toString() { 058 return "From[" + getLabel() + "]"; 059 } 060 061 @Override 062 public String getShortName() { 063 return "from"; 064 } 065 066 067 public String getLabel() { 068 return description(getUri(), getRef(), getEndpoint()); 069 } 070 071 public Endpoint<? extends Exchange> resolveEndpoint(RouteContext context) { 072 if (endpoint == null) { 073 endpoint = context.resolveEndpoint(getUri(), getRef()); 074 } 075 return endpoint; 076 } 077 078 // Properties 079 // ----------------------------------------------------------------------- 080 public String getUri() { 081 return uri; 082 } 083 084 /** 085 * Sets the URI of the endpoint to use 086 * 087 * @param uri the endpoint URI to use 088 */ 089 public void setUri(String uri) { 090 this.uri = uri; 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 } 106 107 public Endpoint getEndpoint() { 108 return endpoint; 109 } 110 111 public void setEndpoint(Endpoint endpoint) { 112 this.endpoint = endpoint; 113 } 114 115 /** 116 * Returns the endpoint URI or the name of the reference to it 117 */ 118 public Object getUriOrRef() { 119 if (ObjectHelper.isNullOrBlank(uri)) { 120 return uri; 121 } else if (endpoint != null) { 122 return endpoint.getEndpointUri(); 123 } 124 return ref; 125 } 126 127 // Implementation methods 128 // ----------------------------------------------------------------------- 129 protected static String description(String uri, String ref, Endpoint endpoint) { 130 if (ref != null) { 131 return "ref:" + ref; 132 } else if (endpoint != null) { 133 return endpoint.getEndpointUri(); 134 } else if (uri != null) { 135 return uri; 136 } else { 137 return "no uri or ref supplied!"; 138 } 139 } 140 }