code: @Override
  	public void initialize(Length annotation) {
  		
  		// On initialise les parametres
  		min = annotation.min();
  		max = annotation.max();
  		acceptNullObject = annotation.acceptNullObject();
  		trimString = annotation.trimString();
  	}
docs: /*
  (non-Javadoc)
  @see javax.validation.ConstraintValidator#initialize(java.lang.annotation.Annotation)