org.apache.commons.lang3.StringUtils#indexOfAnyBut ( )源码实例Demo

public static URI buildNewUrl(URI url, String relativeUrl)
{
    int indexOfFirstNonSlashChar = StringUtils.indexOfAnyBut(relativeUrl, SLASH);
    String normalizedRelativeUrl = indexOfFirstNonSlashChar > 1
            ? relativeUrl.substring(indexOfFirstNonSlashChar - 1)
            : relativeUrl;
    try
    {
        URI parsedRelativeUrl = URI.create(normalizedRelativeUrl);
        if (url.isOpaque())
        {
            return new URI(url.getScheme(), url.getSchemeSpecificPart(), parsedRelativeUrl.getFragment());
        }

        String path = StringUtils.repeat(SLASH, indexOfFirstNonSlashChar - 1) + parsedRelativeUrl.getPath();
        return new URI(url.getScheme(), url.getAuthority(), path, parsedRelativeUrl.getQuery(),
                parsedRelativeUrl.getFragment());
    }
    catch (URISyntaxException e)
    {
        throw new IllegalArgumentException(e.getMessage(), e);
    }
}
 

private static String replaceStartingTabsWithSpaces(String line) {
  int index = StringUtils.indexOfAnyBut(line, "\t ");
  if (index == -1) {
    return line;
  } else {
    String start = line.substring(0, index).replaceAll("\t", TAB_AS_SPACES);
    String end = line.substring(index);
    return start + end;
  }
}
 

public static String trimLeadingAndTrailingSpaces(String markdown)
{
    StringBuilder markdownSB = new StringBuilder();

    StringBuilder currentLine = new StringBuilder();

    String firstLineIndent = null;
    for (int i = 0; i < markdown.length(); i++)
    {
        char currentChar = markdown.charAt(i);
        if (currentChar == '\r' || currentChar == '\n')
        {
            String currentLineString = currentLine.toString();
            if (firstLineIndent == null && !StringUtils.isEmpty(currentLineString))
            {
                int firstNonWhitespaceIndex = StringUtils.indexOfAnyBut(currentLineString, " \t");
                if (firstNonWhitespaceIndex != -1)
                    firstLineIndent = currentLineString.substring(0, firstNonWhitespaceIndex);
            }
            if (firstLineIndent != null)
                currentLineString = StringUtils.removeStart(currentLineString, firstLineIndent);

            markdownSB.append(currentLineString).append(SystemUtils.LINE_SEPARATOR);

            currentLine.setLength(0);

            // skip the next line separator for \r\n cases
            if (currentChar == '\r' && markdown.length() > (i + 1) && markdown.charAt(i + 1) == '\n')
            {
                i++;
            }
        }
        else
        {
            currentLine.append(currentChar);
        }
    }
    markdownSB.append(currentLine);

    return markdownSB.toString();
}