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.spi.RouteContext; 027 import org.apache.camel.support.ExpressionAdapter; 028 029 /** 030 * Represents an XML <interceptFrom/> element 031 * 032 * @version 033 */ 034 @XmlRootElement(name = "interceptFrom") 035 @XmlAccessorType(XmlAccessType.FIELD) 036 public class InterceptFromDefinition extends InterceptDefinition { 037 @XmlAttribute 038 protected String uri; 039 040 public InterceptFromDefinition() { 041 } 042 043 public InterceptFromDefinition(String uri) { 044 this.uri = uri; 045 } 046 047 @Override 048 public String toString() { 049 return "InterceptFrom[" + getOutputs() + "]"; 050 } 051 052 @Override 053 public String getShortName() { 054 return "interceptFrom"; 055 } 056 057 @Override 058 public String getLabel() { 059 return "interceptFrom"; 060 } 061 062 @Override 063 public boolean isAbstract() { 064 return true; 065 } 066 067 @Override 068 public boolean isTopLevelOnly() { 069 return true; 070 } 071 072 @Override 073 @SuppressWarnings({"unchecked", "rawtypes"}) 074 public Processor createProcessor(RouteContext routeContext) throws Exception { 075 // insert a set header definition so we can set the intercepted endpoint uri as a header 076 // this allows us to use the same header for both the interceptFrom and interceptSendToEndpoint 077 SetHeaderDefinition headerDefinition = new SetHeaderDefinition(Exchange.INTERCEPTED_ENDPOINT, new ExpressionAdapter() { 078 public Object evaluate(Exchange exchange, Class type) { 079 if (exchange.getFromEndpoint() != null) { 080 return exchange.getFromEndpoint().getEndpointUri(); 081 } else { 082 return null; 083 } 084 } 085 086 public String toString() { 087 return ""; 088 } 089 }); 090 getOutputs().add(0, headerDefinition); 091 092 return this.createChildProcessor(routeContext, true); 093 } 094 095 public String getUri() { 096 return uri; 097 } 098 099 public void setUri(String uri) { 100 this.uri = uri; 101 } 102 }