Package com.vaadin.flow.server

Class SessionRouteRegistry

java.lang.Object

com.vaadin.flow.router.internal.AbstractRouteRegistry

com.vaadin.flow.server.SessionRouteRegistry

All Implemented Interfaces:

RouteRegistry, Serializable

public class SessionRouteRegistry
extends AbstractRouteRegistry

SessionRouteRegistry is a mutable route registry that is valid in the scope of VaadinSession. Routes can be added and removed from this registry and any overlap with the registered routes between session and global scope will be handled so that session scope paths overrides global paths.

Since:

1.3

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class com.vaadin.flow.router.internal.AbstractRouteRegistry

AbstractRouteRegistry.Configuration

Method Summary

Modifier and Type	Method	Description
Registration	addRoutesChangeListener(RoutesChangedListener listener)	Adds the given route change listener to the registry.
VaadinContext	getContext()	Gets the Vaadin context which the registry belongs to.
Class<? extends RouterLayout>	getLayout(String path)	Get the layout component for the current path.
NavigationRouteTarget	getNavigationRouteTarget(String url)	Search for a route target using given navigation url argument.
Optional<Class<? extends Component>>	getNavigationTarget(String url)	Gets the optional navigation target class for a given path.
Optional<Class<? extends Component>>	getNavigationTarget(String url, List<String> segments)	Gets the optional navigation target class for a given Location matching with path segments.
List<RouteData>	getRegisteredRoutes()	Get the RouteData for all registered navigation targets.
RouteTarget	getRouteTarget(Class<? extends Component> target, RouteParameters parameters)	Gets the RouteTarget instance matching the given target component and route parameters.
static RouteRegistry	getSessionRegistry(VaadinSession session)	Get the session registry for VaadinSession.
Optional<String>	getTargetUrl(Class<? extends Component> navigationTarget)	Get the url string for given navigation target.
Optional<String>	getTargetUrl(Class<? extends Component> navigationTarget, RouteParameters parameters)	Get the url string for given navigation target.
Optional<String>	getTemplate(Class<? extends Component> navigationTarget)	Get the main template for given navigation target.
boolean	hasLayout(String path)	Check if a layout component has been registered for the current path.

Methods inherited from class com.vaadin.flow.router.internal.AbstractRouteRegistry

addErrorTarget, clean, configure, fireEvent, getConfiguration, getRegisteredAccessibleMenuRoutes, hasLock, hasMandatoryParameter, removeRoute, removeRoute, removeRoute, searchByCause, searchBySuperType, setLayout, setRoute, update

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Details

getSessionRegistry

public static RouteRegistry getSessionRegistry(VaadinSession session)

Get the session registry for VaadinSession. If no SessionRegistry exists then one will be created for given VaadinSession.

Parameters:

session - vaadin session to get registry for

Returns:

session registry for given session

getRegisteredRoutes

public List<RouteData> getRegisteredRoutes()

Description copied from interface: RouteRegistry

Get the RouteData for all registered navigation targets.

Specified by:

getRegisteredRoutes in interface RouteRegistry

Overrides:

getRegisteredRoutes in class AbstractRouteRegistry

Returns:

list of routes available for this registry

addRoutesChangeListener

public Registration addRoutesChangeListener(RoutesChangedListener listener)

Adds the given route change listener to the registry.

For the session scoped registry also changes to the application scoped registry will be delegated to the listener if the added or removed route was not masked by a registration in the session scope.

Specified by:

addRoutesChangeListener in interface RouteRegistry

Overrides:

addRoutesChangeListener in class AbstractRouteRegistry

Parameters:

listener - listener to add

Returns:

registration to remove the listener

getNavigationRouteTarget

public NavigationRouteTarget getNavigationRouteTarget(String url)

Description copied from interface: RouteRegistry

Search for a route target using given navigation url argument.

Specified by:

getNavigationRouteTarget in interface RouteRegistry

Overrides:

getNavigationRouteTarget in class AbstractRouteRegistry

Parameters:

url - the navigation url used to search a route target.

Returns:

a NavigationRouteTarget instance containing the RouteTarget and RouteParameters extracted from the url argument according with the route configuration.

getRouteTarget

public RouteTarget getRouteTarget(Class<? extends Component> target,
 RouteParameters parameters)

Description copied from interface: RouteRegistry

Gets the RouteTarget instance matching the given target component and route parameters.

Specified by:

getRouteTarget in interface RouteRegistry

Overrides:

getRouteTarget in class AbstractRouteRegistry

Parameters:

target - a component class which is a navigation target.

parameters - parameter values that may be used with given target.

Returns:

the RouteTarget instance matching the given target component and route parameters.

getNavigationTarget

public Optional<Class<? extends Component>> getNavigationTarget(String url)

Description copied from interface: RouteRegistry

Gets the optional navigation target class for a given path. Returns an empty optional if no navigation target corresponds to the given url.

Specified by:

getNavigationTarget in interface RouteRegistry

Overrides:

getNavigationTarget in class AbstractRouteRegistry

Parameters:

url - the path to get the navigation target for, not null

Returns:

optional of the navigation target corresponding to the given path

getNavigationTarget

public Optional<Class<? extends Component>> getNavigationTarget(String url,
 List<String> segments)

Description copied from interface: RouteRegistry

Gets the optional navigation target class for a given Location matching with path segments.

Specified by:

getNavigationTarget in interface RouteRegistry

Overrides:

getNavigationTarget in class AbstractRouteRegistry

Parameters:

url - path to get navigation target for, not null

segments - segments given for path

Returns:

optional navigation target corresponding to the given location with given segments if any applicable targets found.

See Also:

• Location

getTargetUrl

public Optional<String> getTargetUrl(Class<? extends Component> navigationTarget)

Description copied from interface: RouteRegistry

Get the url string for given navigation target.

Specified by:

getTargetUrl in interface RouteRegistry

Overrides:

getTargetUrl in class AbstractRouteRegistry

Parameters:

navigationTarget - navigation target to get registered route for, not null

Returns:

Optional navigation target url string or Optional.empty() if navigation target was not found

getTargetUrl

public Optional<String> getTargetUrl(Class<? extends Component> navigationTarget,
 RouteParameters parameters)

Description copied from interface: RouteRegistry

Get the url string for given navigation target.

Specified by:

getTargetUrl in interface RouteRegistry

Overrides:

getTargetUrl in class AbstractRouteRegistry

Parameters:

navigationTarget - navigation target to get registered route for, not null

parameters - parameters for the target url.

Returns:

Optional navigation target url string or Optional.empty() if navigation target was not found

getTemplate

public Optional<String> getTemplate(Class<? extends Component> navigationTarget)

Description copied from interface: RouteRegistry

Get the main template for given navigation target.

In case of annotated target the main template is composed of the Route annotation value prefixed by all RoutePrefix values of the parent RouterLayouts chain.

Specified by:

getTemplate in interface RouteRegistry

Overrides:

getTemplate in class AbstractRouteRegistry

Parameters:

navigationTarget - navigation target to get route definition for, not null

Returns:

Optional navigation target template string or Optional.empty() if navigation target was not found

getContext

public VaadinContext getContext()

Description copied from interface: RouteRegistry

Gets the Vaadin context which the registry belongs to.

Returns:

the Vaadin context

getLayout

public Class<? extends RouterLayout> getLayout(String path)

Description copied from interface: RouteRegistry

Get the layout component for the current path.

Specified by:

getLayout in interface RouteRegistry

Overrides:

getLayout in class AbstractRouteRegistry

Parameters:

path - current path

Returns:

RouterLayout component or null

hasLayout

public boolean hasLayout(String path)

Description copied from interface: RouteRegistry

Check if a layout component has been registered for the current path.

Specified by:

hasLayout in interface RouteRegistry

Overrides:

hasLayout in class AbstractRouteRegistry

Parameters:

path - current path

Returns:

true if layout exists