[JAVA/사용자정의함수] 다양한 옵션으로 콘솔입력하는 함

import java.util.Scanner;   public class Main {           public static Scanner sc = new Scanner(System.in);           // 표준입력을 사용하는 클라이언트         public static void main(String[] args) throws Exception {                               // 모든문자                System.out.print("입력 : ");                Console.read( Console.ALL_CHARACTERS_WITH_SPECIAL);                               // 모든문자에서 공백 추가                System.out.print("입력 : ");                                       Console.read( Console.enableOption(Console.ALL_CHARACTERS_WITH_SPECIAL, Console.ONLY_WHITE_SPACE));                               // 모든 문자에서 특수문자 제거                System.out.print("입력 : ");                Console.read( Console.disableOption(Console.ALL_CHARACTERS_WITH_SPECIAL, Console.ONLY_SPECIAL_CHARACTERS));

import java.util.Scanner;   public class Console {           private static Scanner scanner = new Scanner(System.in);           // 숫자         public static final int ONLY_INTEGER = 0x0000000001;         // 대문자         public static final int ONLY_BIG_ALPHABET = 0x0000000002;         // 소문자         public static final int ONLY_SMALL_ALPHABET = 0x0000000004;         // 한글         public static final int ONLY_KOREAN = 0x0000000008;         // 특수문자         public static final int ONLY_SPECIAL_CHARACTERS = 0x0000000010;         // 공백만         public static final int ONLY_WHITE_SPACE = 0x0000000020;           // 대문자 + 소문자         public static final int ONLY_ALPHABET = ONLY_BIG_ALPHABET | ONLY_SMALL_ALPHABET;         // 대문자 + 소문자 + 한글         public static final int ONLY_CHARACTERS = ONLY_ALPHABET | ONLY_KOREAN;         // 대문자 + 소문자 + 한글 + 숫자         public static final int ALL_CHARACTERS = ONLY_CHARACTERS | ONLY_INTEGER;         // 대문자 + 소문자 + 한글 + 숫자 + 특수문자         public static final int ALL_CHARACTERS_WITH_SPECIAL = ALL_CHARACTERS | ONLY_SPECIAL_CHARACTERS;                   // [0-9] 숫자만         // [A-Z] 대문자         // [a-z] 소문자         // [ㄱ-ㅎ가-힣] 한글만         // [\\s] 공백만         // [~!@\#$%<>^&*\()\-=+_\’] 특수문자만         public static String read( int options) throws Exception {                               StringBuffer regexp = new StringBuffer();                String input = null;                               if( hasOption(options, ONLY_INTEGER)) {                        regexp.append( "0-9");                }                               if( hasOption(options, ONLY_BIG_ALPHABET)) {                        regexp.append( "A-Z");                }                               if( hasOption(options, ONLY_SMALL_ALPHABET)) {                        regexp.append( "a-z");                }                               if( hasOption(options, ONLY_SPECIAL_CHARACTERS)) {                        regexp.append("~!@\\#$%<>^&*\\()\\-=+_\\’");                }                               if( hasOption(options, ONLY_CHARACTERS)) {                        regexp.append( "ㄱ-ㅎ가-힣");                }                               if( hasOption(options, ONLY_WHITE_SPACE)) {                        regexp.append( "\\s");                }                                                             input = scanner.nextLine();                if(  !input.matches(  String.format("[%s]+", regexp.toString()))) {                        throw new Exception("Input values ​​do not match.");                }                                                                                    return input;         }           // 옵션추가         public static int enableOption(int options, int option) {                return options | option;         }           // 옵션제거         public static int disableOption(int options, int option) {                return options & ~option;         }           // 옵션을 가지고 있는지 확인         public static boolean hasOption(int options, int option) {                return (options & option) != 0;         }   }