/*
    * CSVeed (https://github.com/42BV/CSVeed)
    *
    * Copyright 2013-2023 CSVeed.
    *
    * All rights reserved. This program and the accompanying materials
    * are made available under the terms of The Apache Software License,
    * Version 2.0 which accompanies this distribution, and is available at
    * https://www.apache.org/licenses/LICENSE-2.0.txt
   */
  package org.csveed.bean;
  
  import java.util.Set;
  
  import org.csveed.api.Header;
  import org.csveed.api.Row;
  import org.csveed.common.Column;
  import org.csveed.report.CsvException;
  import org.csveed.report.GeneralError;
  
  /**
   * The Class ColumnIndexMapper.
   *
   * @param <T>
   *            the generic type
   */
  public class ColumnIndexMapper<T> extends AbstractMapper<T> {
  
      @Override
      protected Set<Column> keys() {
          return beanInstructions.getProperties().columnIndexKeys();
      }
  
      @Override
      public BeanProperty getBeanProperty(Column currentColumn) {
          return beanInstructions.getProperties().fromIndex(currentColumn);
      }
  
      @Override
      protected void checkKey(Header header, Column key) {
          if (key.getColumnIndex() > header.size()) {
              throw new CsvException(new GeneralError(
                      "Column with index " + key + " does not exist in file with " + header.size() + " columns. "
                              + "Originally mapped to property \"" + getBeanProperty(key).getPropertyName() + "\""));
          }
      }
  
      @Override
      protected Column getColumn(Row row) {
          return new Column();
      }
  
  }