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Nuts'n'Bolts Utilities

There is a newer version: 6.2.0

/*
 * Copyright (c) 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020 David Berkman
 *
 * This file is part of the SmallMind Code Project.
 *
 * The SmallMind Code Project is free software, you can redistribute
 * it and/or modify it under either, at your discretion...
 *
 * 1) The terms of GNU Affero General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at
 * your option) any later version.
 *
 * ...or...
 *
 * 2) The terms of the Apache License, Version 2.0.
 *
 * The SmallMind Code Project is distributed in the hope that it will
 * be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
 * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * General Public License or Apache License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * and the Apache License along with the SmallMind Code Project. If not, see
 *  or .
 *
 * Additional permission under the GNU Affero GPL version 3 section 7
 * ------------------------------------------------------------------
 * If you modify this Program, or any covered work, by linking or
 * combining it with other code, such other code is not for that reason
 * alone subject to any of the requirements of the GNU Affero GPL
 * version 3.
 */
package org.smallmind.nutsnbolts.io;

import java.io.IOException;
import java.util.ArrayList;

public class ByteArrayIOBuffer {

  private final ArrayList segmentList = new ArrayList<>();
  private final ByteArrayIOBookmark limitBookmark;
  private final int allocation;

  public ByteArrayIOBuffer (int allocation) {

    this.allocation = allocation;

    limitBookmark = new ByteArrayIOBookmark(allocation);
  }

  public ByteArrayIOBuffer (ByteArrayIOBuffer segmentBuffer) {

    allocation = segmentBuffer.getAllocation();
    limitBookmark = new ByteArrayIOBookmark(segmentBuffer.getLimitBookmark());

    for (byte[] segment : segmentBuffer.getSegmentList()) {

      byte[] copyOfSegment = new byte[segment.length];

      System.arraycopy(segment, 0, copyOfSegment, 0, segment.length);
      segmentList.add(copyOfSegment);
    }
  }

  public int getAllocation () {

    return allocation;
  }

  public ArrayList getSegmentList () {

    return segmentList;
  }

  public ByteArrayIOBookmark getLimitBookmark () {

    return limitBookmark;
  }

  public void clear ()
    throws IOException {

    segmentList.clear();
    limitBookmark.rewind();
  }
}