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    }