信息脱敏

package com.wisoft.tysfrz.utils;


public class SensitiveInfoUtils {
    private static final int SIZE = 6;
    private static final String SYMBOL = "*";
    @SuppressWarnings("unused")
    public static String toConceal(String value) {
        if (null == value || "".equals(value)) {
            return value;
        }
        value = value.replace("@", "").replace("-", "");
        int len = value.length();
        int pamaone = len / 2;
        int pamatwo = pamaone - 1;
        int pamathree = len % 2;
        StringBuilder stringBuilder = new StringBuilder();
        if (len == 2) {//两个字的姓名
            stringBuilder.append(value.substring(0, 1)+SYMBOL);
            return stringBuilder.toString();
        }
        if (len == 3) {//三个字的姓名
            stringBuilder.append(value.substring(0, 1)+SYMBOL+SYMBOL);
            return stringBuilder.toString();
        }
        if (len == 18) {//18位身份证号码
            stringBuilder.append(value.substring(0, SIZE));
            for (int i = 0; i < 8; i++) {
                stringBuilder.append(SYMBOL);
            }
            stringBuilder.append(value.substring(len-4));
            return stringBuilder.toString();
        }
        if (len < 2) {
            if (pamathree == 1) {
                return SYMBOL;
            }
            stringBuilder.append(SYMBOL);
            stringBuilder.append(value.charAt(len - 1));
        } else {
            if (pamatwo <= 0) {
                stringBuilder.append(value.substring(0, 1));
                stringBuilder.append(SYMBOL);
                stringBuilder.append(value.substring(len - 1, len));

            } else if (pamatwo >= SIZE / 2 && SIZE + 1 != len) {
                int pamafive = (len - SIZE) / 2;
                stringBuilder.append(value.substring(0, pamafive));
                for (int i = 0; i < SIZE; i++) {
                    stringBuilder.append(SYMBOL);
                }
                if ((pamathree == 0 && SIZE / 2 == 0) || (pamathree != 0 && SIZE % 2 != 0)) {
                    stringBuilder.append(value.substring(len - pamafive, len));
                } else {
                    stringBuilder.append(value.substring(len - (pamafive + 1), len));
                }
            } else {
                int pamafour = len - 2;
                stringBuilder.append(value.substring(0, 1));
                for (int i = 0; i < pamafour; i++) {
                    stringBuilder.append(SYMBOL);
                }
                stringBuilder.append(value.substring(len - 1, len));
            }
        }
        return stringBuilder.toString();
    }
    public static void main(String args[]) {
        String zoneCode = PropertiesUtil.getValue("system.zoneCode");
        System.out.println(zoneCode);
        String str = "329323198009132424";
        String strname1 = "15123569859";
        String strname2 = "张三";
        String strname3 = "张三四风";
        String strname4 = "张三风";
        String strname5 = "张";
        String strname6 = "jaddy1@1256.com";
        System.out.println(SensitiveInfoUtils.toConceal(str));
        System.out.println(SensitiveInfoUtils.toConceal(strname1));
        System.out.println(SensitiveInfoUtils.toConceal(strname2));
        System.out.println(SensitiveInfoUtils.toConceal(strname3));
        System.out.println(SensitiveInfoUtils.toConceal(strname4));
        System.out.println(SensitiveInfoUtils.toConceal(strname5));
        System.out.println(SensitiveInfoUtils.toConceal(strname6));
    }
}