Action script to string serialization and de-serialization

package
{   
    import flash.utils.ByteArray;
    import mx.utils.Base64Encoder;
    import mx.utils.Base64Decoder;
 
    public class SerializationUtils {
        public static function serializeToString(value:Object):String{
            if(value==null){
                throw new Error("null isn't a legal serialization candidate");
            }
            var bytes:ByteArray = new ByteArray();
            bytes.writeObject(value);
            bytes.position = 0;
            var be:Base64Encoder = new Base64Encoder();
            be.encode(bytes.readUTFBytes(bytes.length));
            return be.drain();
        }
 
        public static function readObjectFromStringBytes(value:String):Object{
            var dec:Base64Decoder=new Base64Decoder();
            dec.decode(value);
            var result:ByteArray=dec.drain();
            result.position=0;
            return result.readObject();
        }      
    }
}