protectiondomain 与 url 的区别

private static String () {
    if (underlying.getIdentity().equals(ProjectConstants.WAR)) {
        return "/WEB-INF";
    }

    String envPath = WorkContext.getCurrent().getPath();
    if (StringUtils.isEmpty(envPath)) {
        try {
            URL url = ResourceIOUtils.class.getProtectionDomain().getCodeSource().getLocation();
            envPath = URLDecoder.decode(url.getPath(), EncodeConstants.ENCODING_UTF_8);
        } catch (UnsupportedEncodingException ignored) {

        }
        int idx = envPath.indexOf(ProjectConstants.WEBINF_NAME);
        if (idx < 0) {
            idx = envPath.indexOf("classes");
        }
        if (idx < 0) {
            idx = envPath.indexOf("lib");
        }
        if (idx > 0) {
            envPath = envPath.substring(0, idx + ProjectConstants.WEBINF_NAME.length() + 1);
        } else {
            envPath = RepositoryUtils.getParent(envPath);
        }
    }

    return envPath;
}