"encoding=\"base64\" " +
"transaction_id=\""+transactionID+"\"><![CDATA[";
String tail =
"]]></response>";
Base64Encoder enc = new Base64Encoder();
enc.translate(source);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
baos.write(head.getBytes());
baos.write(new String(enc.getCharArray()).getBytes());
baos.write(tail.getBytes());
response = baos.toByteArray();
} catch (IOException e) {
response = errorBytes("source");
}