static String validatePackageName()

in modules/normalizer/src/main/java/org/apache/commons/weaver/normalizer/Utils.java [37:65]

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

    static String validatePackageName(final String pkg) {
        if (StringUtils.isBlank(pkg)) {
            return "";
        }
        String result = pkg.trim();

        final String unexpected = "Unexpected character %s at pos %s of package name \"%s\"";

        boolean next = true;
        for (int pos = 0; pos < result.length(); pos++) {
            final char chr = result.charAt(pos);
            if (next) {
                next = false;
                Validate.isTrue(Character.isJavaIdentifierStart(chr), unexpected, chr, pos, result);
                continue;
            }
            if (chr == '/' || chr == '.') {
                next = true;
                continue;
            }
            Validate.isTrue(Character.isJavaIdentifierPart(chr), unexpected, chr, pos, result);
        }
        result = result.replace('.', '/');
        final int last = result.length() - 1;
        if (result.charAt(last) == '/') {
            result = result.substring(0, last);
        }
        return result;
    }