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.Expression; 025 import org.apache.camel.Processor; 026 import org.apache.camel.builder.ExpressionBuilder; 027 import org.apache.camel.model.language.ExpressionType; 028 import org.apache.camel.processor.SetHeaderProcessor; 029 import org.apache.camel.spi.RouteContext; 030 031 /** 032 * Represents an XML <setHeader/> element 033 */ 034 @XmlRootElement(name = "setHeader") 035 @XmlAccessorType(XmlAccessType.FIELD) 036 public class SetHeaderType extends ExpressionNode { 037 @XmlAttribute 038 private String headerName; 039 @XmlAttribute(required = false) 040 private String value; 041 042 public SetHeaderType() { 043 } 044 045 public SetHeaderType(String headerName, ExpressionType expression) { 046 super(expression); 047 setHeaderName(headerName); 048 } 049 050 public SetHeaderType(String headerName, Expression expression) { 051 super(expression); 052 setHeaderName(headerName); 053 } 054 055 public SetHeaderType(String headerName, String value) { 056 super(ExpressionBuilder.constantExpression(value)); 057 setHeaderName(headerName); 058 } 059 060 @Override 061 public String toString() { 062 return "SetHeader[ " + getHeaderName() + ", " + getExpression() + "]"; 063 } 064 065 @Override 066 public String getShortName() { 067 return "setHeader"; 068 } 069 070 @Override 071 public Processor createProcessor(RouteContext routeContext) throws Exception { 072 Expression expr; 073 074 if (getValue() == null) { 075 expr = getExpression().createExpression(routeContext); 076 } else { 077 expr = ExpressionBuilder.constantExpression(getValue()); 078 } 079 080 Processor childProcessor = routeContext.createProcessor(this); 081 082 return new SetHeaderProcessor(getHeaderName(), expr, childProcessor); 083 } 084 085 public void setHeaderName(String headerName) { 086 this.headerName = headerName; 087 } 088 089 public String getHeaderName() { 090 return headerName; 091 } 092 093 public void setValue(String value) { 094 this.value = value; 095 } 096 097 public String getValue() { 098 return value; 099 } 100 }