private static boolean isAbsolute(String source) {
        if (StringUtils.isBlank(source)) {
            return false;
        }
        if (getAbsolutePath() != null) {
            return source.startsWith(HyscaleStringUtil.removeSuffixStr(getAbsolutePath(), FILE_SEPARATOR));
        }
        return new File(source).isAbsolute();
    }
Source path is absolute if
1. It starts with absolute path, given absolute path is fixed
2. If absolute path not fixed then {@link File#isAbsolute()}
@param source
@return
commons/src/main/java/io/hyscale/commons/config/SetupConfig.java