Re: Serializable java object to a string

=?ISO-8859-1?Q?Arne_Vajh=F8j?= <>
Thu, 10 Oct 2013 20:07:38 -0400
On 10/10/2013 7:52 PM, Arne Vajh?j wrote:

On 10/9/2013 11:09 PM, bob smith wrote:

What's the easiest way to convert a Serializable java object to a string?

Maybe a hex string or base64?

Write the object to an ObjectOutputStream wrapped around
a ByteArrayOutputStream, retrieve the byte array and
convert it to hex or base64.


import java.util.ArrayList;
import java.util.List;

import javax.xml.bind.DatatypeConverter;

public class SerFun {
    public static String anySerialize(Object o) throws IOException {
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        ObjectOutputStream oos = new ObjectOutputStream(baos);
        return DatatypeConverter.printBase64Binary(baos.toByteArray());
    public static Object anyDeserialize(String s) throws IOException,
ClassNotFoundException {
        ByteArrayInputStream bais = new
        ObjectInputStream ois = new ObjectInputStream(bais);
        Object o = ois.readObject();
        return o;
    public static void main(String[] args) throws Exception {
         List<Data> lst = new ArrayList<Data>();
         lst.add(new Data(1, "A"));
         lst.add(new Data(2, "BB"));
         lst.add(new Data(3, "CCC"));
         String s = anySerialize(lst);
        List<Data> lst2 = (List<Data>)anyDeserialize(s);


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