001 /** 002 * 003 * Licensed to the Apache Software Foundation (ASF) under one or more 004 * contributor license agreements. See the NOTICE file distributed with 005 * this work for additional information regarding copyright ownership. 006 * The ASF licenses this file to You under the Apache License, Version 2.0 007 * (the "License"); you may not use this file except in compliance with 008 * the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, software 013 * distributed under the License is distributed on an "AS IS" BASIS, 014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 015 * See the License for the specific language governing permissions and 016 * limitations under the License. 017 */ 018 package org.apache.camel.spring.xml; 019 020 import java.util.ArrayList; 021 022 import org.springframework.beans.factory.BeanFactory; 023 024 public class BuilderStatement { 025 private ArrayList<BuilderAction> actions; 026 private Class returnType; 027 028 public Object create(BeanFactory beanFactory, Object rootBuilder) { 029 Object currentBuilder = rootBuilder; 030 BuilderAction lastAction=null; 031 for (BuilderAction action : actions) { 032 // The last action may have left us without a builder to invoke next! 033 if( currentBuilder == null ) { 034 throw new IllegalArgumentException("Invalid configuration. The '"+lastAction.getName()+"' action cannot be followed by the '"+action.getName()+"' action."); 035 } 036 currentBuilder = action.invoke(beanFactory, rootBuilder, currentBuilder); 037 lastAction = action; 038 } 039 return currentBuilder; 040 } 041 042 public ArrayList<BuilderAction> getActions() { 043 return actions; 044 } 045 public void setActions(ArrayList<BuilderAction> actions) { 046 this.actions = actions; 047 } 048 049 public Class getReturnType() { 050 return returnType; 051 } 052 public void setReturnType(Class returnType) { 053 this.returnType = returnType; 054 055 } 056 057 }