public BreakIteratorSplitCharacter() 
{
		this(BreakIterator.getLineInstance());
}

 public BreakIteratorSplitCharacter(BreakIterator breakIter) 
{
		this.breakIter = breakIter;
}

 public boolean isSplitCharacter(int startIdx,
    int current,
    int endIdx,
    char[] cc,
    PdfChunk[] ck) 
{
		++current;
		if (current == endIdx)
		{
			return false;
		}
		if (!(chars == cc && this.start == startIdx && this.end == endIdx))
		{
			chars = cc;
			this.start = startIdx;
			this.end = endIdx;
			breakIter.setText(new ArrayCharIterator(cc, startIdx, endIdx));
			boundary = new boolean[endIdx - startIdx + 1];
			lastBoundary = breakIter.first();
			if (lastBoundary != BreakIterator.DONE)
			{
				boundary[lastBoundary - startIdx] = true;
			}
		}
		while (current  > lastBoundary)
		{
			lastBoundary = breakIter.next();
			if (lastBoundary == BreakIterator.DONE)
			{
				lastBoundary = Integer.MAX_VALUE;
			}
			else
			{
				boundary[lastBoundary - startIdx] = true;
			}
		}
		return boundary[current - startIdx];
}