Colour-persistent string wrapping

StringWrapping.java

/**
 * @param str The string to wrap
 * @param colourCode The colour code character to use, such as '&' or '§'
 * @param lineLength The line length to base around - not all lines will be this length exactly
 * @param wrapLongWords Whether long words should be cut up to fit the lines
 * @return The wrapped string, divided by new line characters
 */
public static String wrapString(String str, char colourCode, int lineLength, boolean wrapLongWords)
{
	// split up into words
	String[] split = WordUtils.wrap(str, lineLength, null, wrapLongWords).split("\\r\\n");
	String[] fixed = new String[split.length];

	// set first element
	fixed[0] = split[0];

	for (int i = 1; i < split.length; i++)
	{
		String line = split[i];
		String previous = split[i - 1];

		// get last colour from last
		int code = previous.lastIndexOf(colourCode);

		// validate colour
		if (code != -1)
		{
			char cCode = previous.charAt(code == previous.length() - 1 ? code : code + 1);

			// colour has been split
			if (code == previous.length() - 1)
			{
				// validate code
				if (ChatColor.getByChar(line.charAt(0)) != null)
				{
					// remove off end of previous
					fixed[i - 1] = previous.substring(0, previous.length() - 1);

					// add § to start of line
					line = "§" + line;
					split[i] = line; // update for next iteration
				}

			} else
			{
				// check next line doesn't already have a colour
				if (line.length() < 2 || line.charAt(0) != colourCode || ChatColor.getByChar(line.charAt(1)) == null)
					// prepend line with colour
					if (ChatColor.getByChar(cCode) != null)
						line = "§" + cCode + line;
			}
		}

		// update the arrays
		fixed[i] = line;
		split[i] = line;

	}

	// join it all up to return a String
	return ChatColor.translateAlternateColorCodes(colourCode, StringUtils.join(fixed, '\n'));
}