static {
    Address address = new Address();
    address.setCity("Paris");
    address.setCountry("France");
    address.setStreet("51 rue le Peletier");
    address.setZipCode("75009");

    person = new Person();
    person.setFirstName("Julien");
    person.setLastName("Vey");
    person.setPhoneNumber("0102030405");
    person.setAddress(address);
    person.setCompany("Zenika");
    person.setHiddenField("hiddenField");
  }
 @Override
 public void setPerson(final Person person) {
   System.out.println("Hidden field value : " + person.getHiddenField());
   PersonServiceImpl.person = person;
 }