Java String Encrypt encryptBankCardNo(String cardNo)

Description

encrypt Bank Card No

License

Apache License

Declaration

public static String encryptBankCardNo(String cardNo) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

public class Main {
    private static final int DEFAULT_CARD_NUMBER_DISPLAY_LENGTH = 4;

    public static String encryptBankCardNo(String cardNo) {
        if (cardNo == null || cardNo.length() <= DEFAULT_CARD_NUMBER_DISPLAY_LENGTH) {
            return cardNo;
        }// w w  w.  ja v  a  2s  .  c o  m

        String preStr = cardNo.substring(DEFAULT_CARD_NUMBER_DISPLAY_LENGTH,
                cardNo.length() - DEFAULT_CARD_NUMBER_DISPLAY_LENGTH);
        preStr = preStr.replaceAll(".", "*");
        return cardNo.substring(0, DEFAULT_CARD_NUMBER_DISPLAY_LENGTH).concat(preStr)
                .concat(cardNo.substring(cardNo.length() - DEFAULT_CARD_NUMBER_DISPLAY_LENGTH));
    }
}

Related

1. Encrypt(String str)
2. Encrypt(String str, String salt)
3. encrypt(String string)
4. encrypt(String string)
5. encrypt0(final byte[] result)
6. encryptBankCardNoLast4Bits(String cardNo)
7. encryptBytes(final byte[] b, final int i)
8. encryptChar(String caracter, int variable, int indice)
9. EncryptDecrypt(String value)