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.impl.RouteContext; 028 import org.apache.camel.util.ObjectHelper; 029 030 /** 031 * Represents an XML <from/> element 032 * 033 * @version $Revision: 36321 $ 034 */ 035 @XmlRootElement(name = "from") 036 @XmlAccessorType(XmlAccessType.FIELD) 037 public class 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 public String getLabel() { 062 return description(getUri(), getRef(), getEndpoint()); 063 } 064 065 public Endpoint<? extends Exchange> resolveEndpoint(RouteContext context) { 066 if (endpoint == null) { 067 endpoint = context.resolveEndpoint(getUri(), getRef()); 068 } 069 return endpoint; 070 } 071 072 // Properties 073 // ----------------------------------------------------------------------- 074 public String getUri() { 075 return uri; 076 } 077 078 /** 079 * Sets the URI of the endpoint to use 080 * 081 * @param uri the endpoint URI to use 082 */ 083 public void setUri(String uri) { 084 this.uri = uri; 085 } 086 087 public String getRef() { 088 return ref; 089 } 090 091 /** 092 * Sets the name of the endpoint within the registry (such as the Spring 093 * ApplicationContext or JNDI) to use 094 * 095 * @param ref the reference name to use 096 */ 097 public void setRef(String ref) { 098 this.ref = ref; 099 } 100 101 public Endpoint getEndpoint() { 102 return endpoint; 103 } 104 105 public void setEndpoint(Endpoint endpoint) { 106 this.endpoint = endpoint; 107 } 108 109 /** 110 * Returns the endpoint URI or the name of the reference to it 111 */ 112 public Object getUriOrRef() { 113 if (ObjectHelper.isNullOrBlank(uri)) { 114 return uri; 115 } else if (endpoint != null) { 116 return endpoint.getEndpointUri(); 117 } 118 return ref; 119 } 120 121 // Implementation methods 122 // ----------------------------------------------------------------------- 123 protected static String description(String uri, String ref, Endpoint endpoint) { 124 if (ref != null) { 125 return "ref:" + ref; 126 } else if (endpoint != null) { 127 return endpoint.getEndpointUri(); 128 } else if (uri != null) { 129 return uri; 130 } else { 131 return "no uri or ref supplied!"; 132 } 133 } 134 }