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'rapiddweller Common' is an open source Java library forked from Databene Commons by Volker Bergmann. It provides extensions to the Java core library by utility classes, abstract concepts and concrete implementations.

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/*
 * Copyright (C) 2004-2015 Volker Bergmann ([email protected]).
 * All rights reserved.
 *
 * Licensed 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 com.rapiddweller.common.iterator;

import java.util.ArrayList;
import java.util.List;

/**
 * {@link TabularIterator} implementation that iterated through a list of object arrays.
 * Created: 27.10.2011 08:43:17
 *
 * @author Volker Bergmann
 * @since 0.5.11
 */
public class ListTableRowIterator extends AbstractTabularIterator {

  private final List rows;
  private int cursor;

  /**
   * Instantiates a new List table row iterator.
   *
   * @param columnLabels the column labels
   */
  public ListTableRowIterator(String... columnLabels) {
    this(columnLabels, new ArrayList<>());
  }

  /**
   * Instantiates a new List table row iterator.
   *
   * @param columnLabels the column labels
   * @param rows         the rows
   */
  public ListTableRowIterator(String[] columnLabels, List rows) {
    super(columnLabels);
    this.rows = rows;
    this.cursor = 0;
  }

  /**
   * Add row.
   *
   * @param row the row
   */
  public void addRow(Object[] row) {
    this.rows.add(row);
  }

  @Override
  public boolean hasNext() {
    return cursor < rows.size();
  }

  @Override
  public Object[] next() {
    return rows.get(cursor++);
  }

}