Java XML Data Type Converter getByteList(String nomal, boolean isDecode)

Description

seed 128bit

License

Open Source License

Declaration

private static List<byte[]> getByteList(String nomal, boolean isDecode) throws Exception 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import javax.xml.bind.DatatypeConverter;
import java.util.ArrayList;
import java.util.List;

public class Main {
    private static final String CHARACTER_SET = "UTF-8";

    /**/*from  www . j a va  2s .  c o m*/
     * seed 128bit
     */
    private static List<byte[]> getByteList(String nomal, boolean isDecode) throws Exception {

        List<byte[]> byteList = new ArrayList<byte[]>();

        byte[] tempByte = null;

        if (isDecode) {
            tempByte = DatatypeConverter.parseBase64Binary(nomal);
        } else {
            tempByte = nomal.getBytes(CHARACTER_SET);
        }

        int needBlankLength = 0;
        if (tempByte.length % 16 != 0) {
            needBlankLength = 16 - (tempByte.length % 16);
        }

        byte[] newTempByte = new byte[tempByte.length + needBlankLength];

        for (int i = 0; i < tempByte.length; i++) {
            newTempByte[i] = tempByte[i];
        }

        int inListByteIdx = 0;
        byte[] inListByte = new byte[16];
        for (int i = 0; i < newTempByte.length; i++) {

            inListByte[inListByteIdx] = newTempByte[i];
            inListByteIdx++;

            if ((i + 1) % 16 == 0 && i != 0) {
                byteList.add(inListByte);
                inListByte = new byte[16];
                inListByteIdx = 0;
            }
        }

        return byteList;
    }
}

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