public static boolean validateProject()

in src/main/java/com/aliyun/openservices/log/util/Utils.java [56:78]

• 21 lines of code
• 13 McCabe index (conditional complexity)

    public static boolean validateProject(final String projectName) {
        // Why not use ^[0-9a-zA-Z][0-9a-zA-Z_-]{1,126}[0-9a-zA-Z]$ here?
        // Some very old project name is their id like 1, 15.
        if (projectName == null) {
            return false;
        }
        int n = projectName.length();
        if (n <= 0 || n > 128) {
            return false;
        }
        for (int i = 0; i < n; i++) {
            char ch = projectName.charAt(i);
            if ((ch >= '0' && ch <= '9')
                    || (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z')) {
                continue;
            }
            if ((ch == '-' || ch == '_') && (i > 0 && i < n - 1)) {
                continue;
            }
            return false;
        }
        return true;
    }