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: 671918 $
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 }