protected boolean isValidPath()

in src/main/java/org/apache/commons/validator/routines/UrlValidator.java [472:495]

• 20 lines of code
• 8 McCabe index (conditional complexity)

    protected boolean isValidPath(final String path) {
        if (path == null || !PATH_PATTERN.matcher(path).matches()) {
            return false;
        }

        try {
            // Don't omit host otherwise leading path may be taken as host if it starts with //
            final URI uri = new URI(null, "localhost", path, null);
            final String norm = uri.normalize().getPath();
            if (norm.startsWith("/../") // Trying to go via the parent dir
                    || norm.equals("/..")) { // Trying to go to the parent dir
                return false;
            }
        } catch (final URISyntaxException e) {
            return false;
        }

        final int slash2Count = countToken("//", path);
        if (isOff(ALLOW_2_SLASHES) && slash2Count > 0) {
            return false;
        }

        return true;
    }