/**
	 * Checks the form object for any inconsistencies/errors
	 *
	 * @see org.springframework.validation.Validator#validate(java.lang.Object,
	 *      org.springframework.validation.Errors)
	 * @should fail validation if name is null or empty or whitespace
	 * @should fail validation if description is null or empty or whitespace
	 * @should fail validation if program name already in use
	 * @should fail validation if concept is null or empty or whitespace
	 * @should pass validation if all required fields have proper values
	 */
	public void validate(Object obj, Errors errors) {
		Program p = (Program) obj;
		if (p == null) {
			errors.rejectValue("program", "error.general");
		} else {
			ValidationUtils.rejectIfEmptyOrWhitespace(errors, "name", "error.name");
			ValidationUtils.rejectIfEmptyOrWhitespace(errors, "description", "error.description.required");
			Program program = Context.getProgramWorkflowService().getProgramByName(new Program(programName).getName());

			if (program.getName().equals(p.getName()) && !program.getProgramId().equals(p.getProgramId())) {
				errors.rejectValue("name", "general.error.nameAlreadyInUse");

			} else {
				Context.evictFromSession(program);
			}

			ValidationUtils.rejectIfEmptyOrWhitespace(errors, "concept", "error.concept");
		}
	}