feat : Spring Validations (+ Hibernate validator)

[ca1af]

• Why @validated can access to child(Cascaded) properties?

	/**
	 * Validates all cascaded constraints for the given bean using the current group set in the execution context.
	 * This method must always be called after validateConstraints for the same context.
	 *
	 * @param validationContext The execution context
	 * @param valueContext Collected information for single validation
	 */
	private void validateCascadedConstraints(BaseBeanValidationContext<?> validationContext, ValueContext<?, Object> valueContext) {
		Validatable validatable = valueContext.getCurrentValidatable();
		BeanValueContext.ValueState<Object> originalValueState = valueContext.getCurrentValueState();

		for ( Cascadable cascadable : validatable.getCascadables() ) {
			valueContext.appendNode( cascadable );

			if ( isCascadeRequired( validationContext, valueContext.getCurrentBean(), valueContext.getPropertyPath(),
					cascadable.getConstraintLocationKind() ) ) {
				Object value = getCascadableValue( validationContext, valueContext.getCurrentBean(), cascadable );
				CascadingMetaData cascadingMetaData = cascadable.getCascadingMetaData();

				if ( value != null ) {
					CascadingMetaData effectiveCascadingMetaData = cascadingMetaData.addRuntimeContainerSupport( valueExtractorManager, value.getClass() );

					// validate cascading on the annotated object
					if ( effectiveCascadingMetaData.isCascading() ) {
						validateCascadedAnnotatedObjectForCurrentGroup( value, validationContext, valueContext, effectiveCascadingMetaData );
					}

					if ( effectiveCascadingMetaData.isContainer() ) {
						ContainerCascadingMetaData containerCascadingMetaData = effectiveCascadingMetaData.as( ContainerCascadingMetaData.class );

						if ( containerCascadingMetaData.hasContainerElementsMarkedForCascading() ) {
							// validate cascading on the container elements
							validateCascadedContainerElementsForCurrentGroup( value, validationContext, valueContext,
									containerCascadingMetaData.getContainerElementTypesCascadingMetaData() );
						}
					}
				}
			}

			// reset the value context
			valueContext.resetValueState( originalValueState );
		}
	}