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
024 import org.apache.camel.Exchange;
025 import org.apache.camel.Processor;
026 import org.apache.camel.impl.ExpressionAdapter;
027 import org.apache.camel.spi.RouteContext;
028
029 /**
030 * Represents an XML <interceptFrom/> element
031 *
032 * @version $Revision: 771312 $
033 */
034 @XmlRootElement(name = "interceptFrom")
035 @XmlAccessorType(XmlAccessType.FIELD)
036 public class InterceptFromDefinition extends InterceptDefinition {
037
038 // TODO: Support lookup endpoint by ref (requires a bit more work)
039
040 @XmlAttribute(required = false)
041 protected String uri;
042
043 public InterceptFromDefinition() {
044 }
045
046 public InterceptFromDefinition(String uri) {
047 this.uri = uri;
048 }
049
050 @Override
051 public String toString() {
052 return "InterceptFrom[" + getOutputs() + "]";
053 }
054
055 @Override
056 public String getShortName() {
057 return "interceptFrom";
058 }
059
060 @Override
061 public String getLabel() {
062 return "interceptFrom";
063 }
064
065 @Override
066 @SuppressWarnings("unchecked")
067 public Processor createProcessor(RouteContext routeContext) throws Exception {
068 // insert a set header defintion so we can set the intercepted endpoint uri as a header
069 // this allows us to use the same header for both the interceptFrom and interceptSendToEndpoint
070 SetHeaderDefinition headerDefinition = new SetHeaderDefinition(Exchange.INTERCEPTED_ENDPOINT, new ExpressionAdapter() {
071 public Object evaluate(Exchange exchange, Class type) {
072 return exchange.getFromEndpoint().getEndpointUri();
073 }
074
075 public String toString() {
076 return "";
077 }
078 });
079 getOutputs().add(0, headerDefinition);
080
081 return createOutputsProcessor(routeContext);
082 }
083
084 public String getUri() {
085 return uri;
086 }
087
088 public void setUri(String uri) {
089 this.uri = uri;
090 }
091 }