private static String replaceString()

in core/servicemix-core/src/main/java/org/apache/servicemix/xbean/ClassLoaderXmlPreprocessor.java [111:138]

• 28 lines of code
• 12 McCabe index (conditional complexity)

    private static String replaceString(String text, String searchString, String replacement, int max) {
        if (text == null || text.length() == 0
                || searchString == null || searchString.length() == 0
                || replacement == null
                || max == 0) {
            return text;
        }
        int start = 0;
        int end = text.indexOf(searchString, start);
        if (end == -1) {
            return text;
        }
        int replLength = searchString.length();
        int increase = replacement.length() - replLength;
        increase = increase < 0 ? 0 : increase;
        increase *= max < 0 ? 16 : (max > 64 ? 64 : max);
        StringBuffer buffer = new StringBuffer(text.length() + increase);
        while (end != -1) {
            buffer.append(text.substring(start, end)).append(replacement);
            start = end + replLength;
            if (--max == 0) {
                break;
            }
            end = text.indexOf(searchString, start);
        }
        buffer.append(text.substring(start));
        return buffer.toString();
    }