private static String replace()

in src/main/java/org/apache/commons/lang3/StringUtils.java [6360:6386]

27 lines of code
12 McCabe index (conditional complexity)


     private static String replace(final String text, String searchString, final String replacement, int max, final boolean ignoreCase) {
         if (isEmpty(text) || isEmpty(searchString) || replacement == null || max == 0) {
             return text;
         }
         if (ignoreCase) {
             searchString = searchString.toLowerCase();
         }
         int start = 0;
         int end = ignoreCase ? indexOfIgnoreCase(text, searchString, start) : indexOf(text, searchString, start);
         if (end == INDEX_NOT_FOUND) {
             return text;
         }
         final int replLength = searchString.length();
         int increase = Math.max(replacement.length() - replLength, 0);
         increase *= max < 0 ? 16 : Math.min(max, 64);
         final StringBuilder buf = new StringBuilder(text.length() + increase);
         while (end != INDEX_NOT_FOUND) {
             buf.append(text, start, end).append(replacement);
             start = end + replLength;
             if (--max == 0) {
                 break;
             }
             end = ignoreCase ? indexOfIgnoreCase(text, searchString, start) : indexOf(text, searchString, start);
         }
         buf.append(text, start, text.length());
         return buf.toString();
     }