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