public static Status changePassword(String username, String oldPassword, String newPassword)
throws Exception
{
String serviceURI = "service/local/users_changepw";
UserChangePasswordResource resource = new UserChangePasswordResource();
resource.setUserId(username);
resource.setOldPassword(oldPassword);
resource.setNewPassword(newPassword);
UserChangePasswordRequest request = new UserChangePasswordRequest();
request.setData(resource);
XStreamRepresentation representation = new XStreamRepresentation(xstream, "", MediaType.APPLICATION_XML);