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 */ 017package org.apache.camel.component.dataset; 018 019import java.util.LinkedList; 020import java.util.List; 021import java.util.Map; 022 023import org.apache.camel.Exchange; 024import org.apache.camel.Processor; 025 026/** 027 * A DataSet that allows a list of static payloads to be used to create each message exchange 028 * along with using a pluggable transformer to customize the messages. 029 * 030 * @version 031 */ 032public class ListDataSet extends DataSetSupport { 033 private List<Object> defaultBodies; 034 035 public ListDataSet() { 036 super(0); 037 } 038 039 public ListDataSet(List<Object> defaultBodies) { 040 this.defaultBodies = defaultBodies; 041 setSize(defaultBodies.size()); 042 } 043 044 // Properties 045 //------------------------------------------------------------------------- 046 047 public List<Object> getDefaultBodies() { 048 if (defaultBodies == null) { 049 defaultBodies = new LinkedList<>(); 050 } 051 052 return defaultBodies; 053 } 054 055 public void setDefaultBodies(List<Object> defaultBodies) { 056 this.defaultBodies = defaultBodies; 057 setSize(defaultBodies.size()); 058 } 059 060 // Implementation methods 061 //------------------------------------------------------------------------- 062 063 /** 064 * Creates the message body for a given message. If the messageIndex is greater than the size 065 * of the list, use the modulus. 066 */ 067 protected Object createMessageBody(long messageIndex) { 068 int listIndex = (int) (messageIndex % getDefaultBodies().size()); 069 070 return getDefaultBodies().get(listIndex); 071 } 072}