private static String toRegexPattern()

in src/main/java/org/apache/sling/api/resource/path/Path.java [202:228]

• 27 lines of code
• 6 McCabe index (conditional complexity)

    private static String toRegexPattern(String pattern) {
        StringBuilder stringBuilder = new StringBuilder("^");
        int index = 0;
        while (index < pattern.length()) {
            char currentChar = pattern.charAt(index++);
            switch (currentChar) {
                case '*':
                    if (getCharAtIndex(pattern, index) == '*') {
                        stringBuilder.append(".*");
                        ++index;
                    } else {
                        stringBuilder.append("[^/]*");
                    }
                    break;
                case '/':
                    stringBuilder.append(currentChar);
                    break;
                default:
                    if (isRegexMeta(currentChar)) {
                        stringBuilder.append(Pattern.quote(Character.toString(currentChar)));
                    } else {
                        stringBuilder.append(currentChar);
                    }
            }
        }
        return stringBuilder.append('$').toString();
    }