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 java.util.ArrayList; 020 import java.util.Collection; 021 import java.util.List; 022 023 import javax.xml.bind.annotation.XmlElement; 024 import javax.xml.bind.annotation.XmlElementRef; 025 import javax.xml.bind.annotation.XmlRootElement; 026 import javax.xml.bind.annotation.XmlTransient; 027 028 import org.apache.camel.Endpoint; 029 import org.apache.camel.Exchange; 030 import org.apache.camel.Expression; 031 import org.apache.camel.Processor; 032 import org.apache.camel.Route; 033 import org.apache.camel.impl.RouteContext; 034 import org.apache.camel.model.language.ExpressionType; 035 import org.apache.camel.processor.Resequencer; 036 037 /** 038 * @version $Revision: 1.1 $ 039 */ 040 @XmlRootElement(name = "resequencer") 041 public class ResequencerType extends ProcessorType { 042 @XmlElementRef 043 private List<InterceptorType> interceptors = new ArrayList<InterceptorType>(); 044 @XmlElementRef 045 private List<ExpressionType> expressions = new ArrayList<ExpressionType>(); 046 @XmlElementRef 047 private List<ProcessorType> outputs = new ArrayList<ProcessorType>(); 048 @XmlTransient 049 private List<Expression> expressionList; 050 051 public ResequencerType() { 052 } 053 054 public ResequencerType(List<Expression> expressions) { 055 this.expressionList = expressions; 056 } 057 058 @Override 059 public String toString() { 060 return "Resequencer[ " + getExpressions() + " -> " + getOutputs() + "]"; 061 } 062 063 public List<ExpressionType> getExpressions() { 064 return expressions; 065 } 066 067 public List<InterceptorType> getInterceptors() { 068 return interceptors; 069 } 070 071 public void setInterceptors(List<InterceptorType> interceptors) { 072 this.interceptors = interceptors; 073 } 074 075 public List<ProcessorType> getOutputs() { 076 return outputs; 077 } 078 079 public void setOutputs(List<ProcessorType> outputs) { 080 this.outputs = outputs; 081 } 082 083 public void addRoutes(RouteContext routeContext, Collection<Route> routes) throws Exception { 084 Endpoint from = routeContext.getEndpoint(); 085 final Processor processor = routeContext.createProcessor(this); 086 final Resequencer resequencer = new Resequencer(from, processor, resolveExpressionList(routeContext)); 087 088 Route route = new Route<Exchange>(from, resequencer) { 089 @Override 090 public String toString() { 091 return "ResequencerRoute[" + getEndpoint() + " -> " + processor + "]"; 092 } 093 }; 094 095 routes.add(route); 096 } 097 098 private List<Expression> resolveExpressionList(RouteContext routeContext) { 099 if (expressionList == null) { 100 expressionList = new ArrayList<Expression>(); 101 for (ExpressionType expression : expressions) { 102 expressionList.add(expression.createExpression(routeContext)); 103 } 104 } 105 if (expressionList.isEmpty()) { 106 throw new IllegalArgumentException("No expressions configured for: " + this); 107 } 108 return expressionList; 109 } 110 }