How to use

HeapByteBuffer

in

java.nio

static ReadWriteHeapByteBuffer copy (HeapByteBuffer other, int markOfOther) {
  ReadWriteHeapByteBuffer buf = new ReadWriteHeapByteBuffer(other.backingArray, other.capacity(), other.offset);
  buf.limit = other.limit();
  buf.position = other.position();
  buf.mark = markOfOther;
  buf.order(other.order());
  return buf;
}

public final float getFloat () {
  return Numbers.intBitsToFloat(getInt());
}

public final double getDouble (int index) {
  return Numbers.longBitsToDouble(getLong(index));
}

public final long getLong (int index) {
  if (index < 0 || index + 8 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadLong(index);
}

public final int getInt (int index) {
  if (index < 0 || index + 4 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadInt(index);
}

public final short getShort (int index) {
  if (index < 0 || index + 2 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadShort(index);
}

public final ByteBuffer get (byte[] dest, int off, int len) {
  int length = dest.length;
  if (off < 0 || len < 0 || (long)off + (long)len > length) {
    throw new IndexOutOfBoundsException();
  }
  if (len > remaining()) {
    throw new BufferUnderflowException();
  }
  System.arraycopy(backingArray, offset + position, dest, off, len);
  position += len;
  return this;
}

public final long getLong (int index) {
  if (index < 0 || index + 8 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadLong(index);
}

public final int getInt (int index) {
  if (index < 0 || index + 4 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadInt(index);
}

public final short getShort (int index) {
  if (index < 0 || index + 2 > limit) {
    throw new IndexOutOfBoundsException();
  }
  return loadShort(index);
}

public final ByteBuffer get (byte[] dest, int off, int len) {
  int length = dest.length;
  if (off < 0 || len < 0 || (long)off + (long)len > length) {
    throw new IndexOutOfBoundsException();
  }
  if (len > remaining()) {
    throw new BufferUnderflowException();
  }
  System.arraycopy(backingArray, offset + position, dest, off, len);
  position += len;
  return this;
}

static ReadWriteHeapByteBuffer copy (HeapByteBuffer other, int markOfOther) {
  ReadWriteHeapByteBuffer buf = new ReadWriteHeapByteBuffer(other.backingArray, other.capacity(), other.offset);
  buf.limit = other.limit();
  buf.position = other.position();
  buf.mark = markOfOther;
  buf.order(other.order());
  return buf;
}

public final long getLong () {
  int newPosition = position + 8;
  if (newPosition > limit) {
    throw new BufferUnderflowException();
  }
  long result = loadLong(position);
  position = newPosition;
  return result;
}

public final int getInt () {
  int newPosition = position + 4;
  if (newPosition > limit) {
    throw new BufferUnderflowException();
  }
  int result = loadInt(position);
  position = newPosition;
  return result;
}

public final short getShort () {
  int newPosition = position + 2;
  if (newPosition > limit) {
    throw new BufferUnderflowException();
  }
  short result = loadShort(position);
  position = newPosition;
  return result;
}

public final double getDouble () {
  return Numbers.longBitsToDouble(getLong());
}

public final float getFloat (int index) {
  return Numbers.intBitsToFloat(getInt(index));
}

public final ByteBuffer get (byte[] dest, int off, int len) {
  int length = dest.length;
  if (off < 0 || len < 0 || (long)off + (long)len > length) {
    throw new IndexOutOfBoundsException();
  }
  if (len > remaining()) {
    throw new BufferUnderflowException();
  }
  System.arraycopy(backingArray, offset + position, dest, off, len);
  position += len;
  return this;
}

static ReadOnlyHeapByteBuffer copy (HeapByteBuffer other, int markOfOther) {
  ReadOnlyHeapByteBuffer buf = new ReadOnlyHeapByteBuffer(other.backingArray, other.capacity(), other.offset);
  buf.limit = other.limit();
  buf.position = other.position();
  buf.mark = markOfOther;
  buf.order(other.order());
  return buf;
}

public final long getLong () {
  int newPosition = position + 8;
  if (newPosition > limit) {
    throw new BufferUnderflowException();
  }
  long result = loadLong(position);
  position = newPosition;
  return result;
}