codec = new DefaultSensitiveStringCodec();
Map<String, String> prop = new HashMap<String, String>();
prop.put("key", "newkey");
codec.init(prop);
mask = (String)codec.encode("newpassword");
clusterPasswordPart = "<cluster-password>" + mask + "</cluster-password>";
String codecPart = "<password-codec>" + "org.hornetq.utils.DefaultSensitiveStringCodec" +
";key=newkey</password-codec>";