// The MIT License (MIT)

//

// Copyright (c) 2016 Robert C. Seacord

//

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

package STR03J;

import java.io.UnsupportedEncodingException;

import java.math.BigInteger;

import java.nio.charset.StandardCharsets;

class ByteToString {

private static BigInteger StringToBigInteger(String s) throws UnsupportedEncodingException {

String ns;

byte[] byteArray = s.getBytes(StandardCharsets.UTF_8);

ns = new String(byteArray, StandardCharsets.UTF_8);

return new BigInteger(ns);

}

public static void main(String[] args) throws UnsupportedEncodingException {

// Generate binary data instead of string data

BigInteger x = new BigInteger("530500452766");

byte[] byteArray = x.toByteArray();

String s = new String(byteArray);

try {

x = StringToBigInteger(s);

} catch (java.lang.NumberFormatException nfe) {

nfe.printStackTrace();

}

x = new BigInteger("530500452766");

s = x.toString(); // valid character data

x = StringToBigInteger(s);

System.out.println(x);

}

}