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 }