org.vaadin.spring.navigator

Interface ViewProviderAccessDelegate

public interface ViewProviderAccessDelegate

Interface to be implemented by Spring beans that will be consulted before the SpringViewProvider provides a view. If any of the view providers deny access, the view provider will act like no such view ever existed, or show an access denied view.

Author:

Petter Holmström (petter@vaadin.com)

Method Summary

Modifier and Type	Method and Description
boolean	isAccessGranted(String beanName, com.vaadin.ui.UI ui) Checks if the current user has access to the specified view and UI.
boolean	isAccessGranted(String beanName, com.vaadin.ui.UI ui, com.vaadin.navigator.View view) Checks if the current user has access to the specified view instance and UI.

Method Detail

isAccessGranted

boolean isAccessGranted(String beanName,
                        com.vaadin.ui.UI ui)

Checks if the current user has access to the specified view and UI.

Parameters:

beanName - the bean name of the view, never null.

ui - the UI, never null.

Returns:

true if access is granted, false if access is denied.

isAccessGranted

boolean isAccessGranted(String beanName,
                        com.vaadin.ui.UI ui,
                        com.vaadin.navigator.View view)

Checks if the current user has access to the specified view instance and UI. This method is invoked after isAccessGranted(String, com.vaadin.ui.UI), when the view instance has already been created, but before it has been returned by the view provider.

Parameters:

beanName - the bean name of the view, never null.

ui - the UI, never null.

view - the view instance, never null.

Returns:

true if access is granted, false if access is denied.