public void validate(final ValidationRules validationRules,
			final ValidationPhase validationPhase,
			final Map<String, Object[]> params, final Object form,
			final ActionErrors errors) {
		final Collection<ValidationRule> phaseValidationRules = validationRules
				.getPhaseValidationRules(validationPhase);
		if (validationRules != null) {
			for (final ValidationRule validationRule : phaseValidationRules) {
				validationRule.apply(params, form, errors);
			}
			if (!errors.isEmpty()) {
				throw new ValidationException();
			}
		}
	}