package com.ume.controller;

    /**
     * 大小写敏感
     * <p>
     * ^x: 以x开头
     * $x: 以x结尾
     * !x: 与x不相等
     * x: 与x相等
     * @x: 包含x
     * ~x: 不包含x
     * x为空: 全匹配
     * x为其它字符: 不匹配(默认设置-)
     * </p>
     */
    public class CustomizeMatch {

        public static void main(String[] args) {

            String rs[] = "^1.4. ,^2. ,^V7. , !2.1, 3.x.x.x, $x.x, @1.x, @3., @.5, ~y., ~3.".replaceAll("\\s*", "").split("[,|，]");

            String ss[] = {"1.4.x", "1.5.x", "2.x", "2.1.x", "3.x.x.x", "V7.3.x"};

            for (String s : ss) {
                for (String r : rs) {
                    System.out.println(s + " " + r + " " + match(r, s));

                }
            }

            System.out.println(match("^2.","2.0"));

        }

        public static boolean matchIgnoreCase(String regex, String string) {
            if (isEmpty(regex)){
                return true;
            }

            if(isEmpty(string)) {
                return false;
            }

            return match(regex.toLowerCase(), string.toLowerCase());
        }

        public static boolean match(String regex, String string) {

            if (isEmpty(regex)){
                return true;
            }

            if(isEmpty(string)) {
                return false;
            }

            String rs[] = regex.replaceAll("\\s*", "").split("[,|，]");

            for(String r: rs) {
                boolean result;
                char c = r.charAt(0);
                switch (c) {
                    case '^':
                        result = string.startsWith(r.substring(1));
                        break;
                    case '$':
                        result = string.endsWith(r.substring(1));
                        break;
                    case '!':
                        result = !string.equals(r.substring(1));
                        break;
                    case '@':
                        result = string.contains(r.substring(1));
                        break;
                    case '~':
                        result = !string.contains(r.substring(1));
                        break;
                    default:
                        result = string.equals(r);
                        break;
                }

                if(result) return true;
            }

            return false;
        }

        private static boolean isEmpty(String s) {
            return s == null || "".equals(s);
        }
    }