打tar包工具TarUtil（13）

/**
     * Set of options for long file handling in the task.
     *
     */
    public static class TarLongFileMode extends EnumeratedAttribute
    {
       
        /** permissible values for longfile attribute */
        public static final String WARN = "warn";
       
        /** permissible values for longfile attribute */
        public static final String FAIL = "fail";
       
        /** permissible values for longfile attribute */
        public static final String TRUNCATE = "truncate";
       
        /** permissible values for longfile attribute */
        public static final String GNU = "gnu";
       
        /** permissible values for longfile attribute */
        public static final String OMIT = "omit";
       
        private final String[] validModes = {WARN, FAIL, TRUNCATE, GNU, OMIT};
       
        /** Constructor, defaults to "warn" */
        public TarLongFileMode()
        {
            super();
            setValue(WARN);
        }
       
        /**
         * ????
         * @return the possible values for this enumerated type.
         */
        public String[] getValues()
        {
            return validModes;
        }