content: /*
   * Licensed to the Apache Software Foundation (ASF) under one or more
   * contributor license agreements.  See the NOTICE file distributed with
   * this work for additional information regarding copyright ownership.
   * The ASF licenses this file to You under the Apache License, Version 2.0
   * (the "License"); you may not use this file except in compliance with
   * the License.  You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package org.apache.camel.component.dataset;
  
  import java.util.LinkedList;
  import java.util.List;
  
  /**
   * A DataSet that allows a list of static payloads to be used to create each message exchange along with using a
   * pluggable transformer to customize the messages.
   */
  public class ListDataSet extends DataSetSupport {
      private List<Object> defaultBodies;
  
      public ListDataSet() {
          super(0);
      }
  
      public ListDataSet(List<Object> defaultBodies) {
          this.defaultBodies = defaultBodies;
          setSize(defaultBodies.size());
      }
  
      // Properties
      //-------------------------------------------------------------------------
  
      public List<Object> getDefaultBodies() {
          if (defaultBodies == null) {
              defaultBodies = new LinkedList<>();
          }
  
          return defaultBodies;
      }
  
      public void setDefaultBodies(List<Object> defaultBodies) {
          this.defaultBodies = defaultBodies;
          setSize(defaultBodies.size());
      }
  
      // Implementation methods
      //-------------------------------------------------------------------------
  
      /**
       * Creates the message body for a given message. If the messageIndex is greater than the size of the list, use the
       * modulus.
       */
      @Override
      protected Object createMessageBody(long messageIndex) {
          int listIndex = (int) (messageIndex % getDefaultBodies().size());
  
          return getDefaultBodies().get(listIndex);
      }
  }
  