Here you can find the source of byteArrayToBase64String(byte[] data)
public static String byteArrayToBase64String(byte[] data)
//package com.java2s; /*/*from w w w . j av a2s. co m*/ * Copyright (C) 2010-2015 JPEXS, All rights reserved. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 3.0 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library. */ import javax.xml.bind.DatatypeConverter; public class Main { public static String byteArrayToBase64String(byte[] data) { return DatatypeConverter.printBase64Binary(data); } }