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com.vaadin.flow.server.
Package com.vaadin.flow.server
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Interface Summary Interface Description BootstrapHandler.PageBuilder Interface for objects capable of building the bootstrap page.
BootstrapListener This event listener is notified when the bootstrap HTML is about to be generated and sent to the client.
Command A generic command interface meant to be used for passing lambdas around.
DependencyFilter Filter for dependencies loaded using
@StyleSheet,@JavaScriptand@HtmlImport.ErrorHandler Application errors handler.
ErrorHandlingCommand Defines the interface to handle exceptions thrown during the execution of a FutureAccess.
FallibleCommand A generic command which may fail.
InputStreamFactory Creates input stream instances that provides the actual data of a
StreamResource.PageConfigurator Configures the initial page contents.
RequestHandler Handler for producing a response to HTTP requests.
RouteRegistry The RouteRegistry interface class that gives the out facing usage needs for a route registry implementation.
ServiceDestroyListener Listener that gets notified when the
VaadinServiceto which it has been registered is destroyed.SessionDestroyListener A listener that gets notified when a Vaadin service session is no longer used.
SessionExpiredHandler A specialized RequestHandler which is capable of sending session expiration messages to the user.
SessionInitListener Event listener that can be registered to a
VaadinServiceto get an event when a new Vaadin service session is initialized for that service.StaticFileHandler Handler for static files.
StreamRegistration Stream registration result.
StreamResourceWriter Output stream consumer.
StreamVariable StreamVariable is a special kind of variable whose value is streamed to an
OutputStreamprovided by theStreamVariable.getOutputStream()method.StreamVariable.StreamingEndEvent Event passed to
StreamVariable.streamingFinished(StreamingEndEvent)method the contents have been streamed to StreamVariable successfully.StreamVariable.StreamingErrorEvent Event passed to
StreamVariable.streamingFailed(StreamingErrorEvent)method when the streaming ended before the end of the input.StreamVariable.StreamingEvent Streaming event interface.
StreamVariable.StreamingProgressEvent Event passed to
StreamVariable.onProgress(StreamingProgressEvent)method during the streaming progresses.StreamVariable.StreamingStartEvent Event passed to
StreamVariable.streamingStarted(StreamingStartEvent)method before the streaming of the content toStreamVariablestarts.SystemMessagesProvider Gives out system messages based on Locale.
UIInitListener Event listener that can be registered for receiving an event when a
UIis initialized.VaadinContext Context in which
VaadinServiceis running.VaadinRequest A generic request to the server, wrapping a more specific request type, e.g.
VaadinResponse A generic response from the server, wrapping a more specific response type, e.g.
VaadinServiceInitListener Listener for
VaadinServiceinitialization events.WrappedSession A generic session, wrapping a more specific session implementation, e.g.
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Class Summary Class Description AbstractDeploymentConfiguration An abstract base class for DeploymentConfiguration implementations.
AbstractStreamResource Abstract stream resource class.
Attributes The
Attributesclass represents a set of attributes.BootstrapHandler Request handler which handles bootstrapping of the application, i.e.
BootstrapHandler.BootstrapContext Provides context information for the bootstrap process.
BootstrapHandler.BootstrapPageBuilder Builds bootstrap pages.
BootstrapHandler.BootstrapUriResolver The URI resolver used in the bootstrap process.
BootstrapPageResponse This represents the state of a bootstrap page being generated.
Constants Constants used by the server side framework.
CustomizedSystemMessages Contains the system messages used to notify the user about various critical situations that can occur.
DefaultDeploymentConfiguration The default implementation of
DeploymentConfigurationbased on a base class for resolving system properties and a set of init parameters.DefaultErrorHandler The default implementation of
ErrorHandler.DefaultSystemMessagesProvider System messages provider using the built-in default system messages.
DependencyFilter.FilterContext Provides context information for the dependency filter operation.
DeploymentConfigurationFactory Creates
DeploymentConfigurationfilled with all parameters specified by the framework users.DevModeHandler Handles getting resources from
webpack-dev-server.ErrorEvent An error thrown by the framework and handled by an
ErrorHandler.FrontendVaadinServlet This servlet handles static resources and webjars.
FutureAccess Encapsulates a
Commandsubmitted usingVaadinSession.access(Command).InitialPageSettings Initial page settings class for modifying the bootstrap page.
InlineTargets Data holder class for collected
Inlineannotations to be added to the initial page.PropertyDeploymentConfiguration The property handling implementation of
DeploymentConfigurationbased on a base class for resolving system properties and a set of init parameters.PwaConfiguration Holds the configuration from the
PWAannotation.PwaIcon Implementation of icons used in PWA resources.
PwaRegistry Registry for PWA data.
ServiceContextUriResolver A URI resolver which resolves paths for loading through VaadinService resource methods.
ServiceDestroyEvent Event fired to
ServiceDestroyListenerwhen aVaadinServiceis being destroyed.ServiceInitEvent Event fired to
VaadinServiceInitListenerwhen aVaadinServiceis being initialized.ServletHelper Contains helper methods for
VaadinServletand generally for handlingVaadinRequests.SessionDestroyEvent Event fired when a Vaadin service session is no longer in use.
SessionInitEvent Event gets fired when a new Vaadin service session is initialized for a Vaadin service.
SessionRouteRegistry SessionRouteRegistry is a mutable route registry that is valid in the scope of VaadinSession.
StaticFileServer Handles sending of resources from the WAR root (web content) or META-INF/resources in the case that
VaadinServletis mapped using "/*".StreamReceiver Represents a receiver for data upload from the client.
StreamResource Represents dynamically generated data.
StreamResourceRegistry Registry for
StreamResourceinstances.SynchronizedRequestHandler RequestHandler which takes care of locking and unlocking of the VaadinSession automatically.
SystemMessages Contains the system messages used to notify the user about various critical situations that can occur.
SystemMessagesInfo Provides information available for
SystemMessagesProviderwhen defining whatSystemMessagesto use.UIInitEvent Event fired to
UIInitListenerwhen aUIhas been initialized.UnsupportedBrowserHandler A
RequestHandlerthat presents an informative page if the browser in use is unsupported.VaadinService An abstraction of the underlying technology, e.g.
VaadinServlet The main servlet, which handles all incoming requests to the application.
VaadinServletContext VaadinContextthat goes withVaadinServletService.VaadinServletRequest Wrapper for
HttpServletRequest.VaadinServletResponse Wrapper for
HttpServletResponse.VaadinServletService A service implementation connected to a
VaadinServlet.VaadinSession Contains everything that Vaadin needs to store for a specific user.
Version Provides information about the current version of the framework.
WebBrowser Provides information about the web browser the user is using that is directly available in the request, for instance browser name and version and IP address.
WrappedHttpSession Wrapper for
HttpSession. -
Enum Summary Enum Description InitialPageSettings.Position Append position enum.
InitialPageSettings.WrapMode Content wrapping mode enum.
PwaIcon.Domain Place where icon belongs to (header or manifest.webmanifest).
ServletHelper.RequestType Framework internal enum for tracking the type of a request.
VaadinSessionState The lifecycle state of a VaadinSession.
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Exception Summary Exception Description AmbiguousRouteConfigurationException Exception indicating that the application's routes already has the navigation target with the given path.
BootstrapException A Vaadin internal runtime exception thrown when the writing of the bootstrap page in
BootstrapHandlerfails for some reason.ExecutionFailedException Thrown by
FallibleCommandif it's unable to complete its execution.InvalidApplicationConfigurationException Exception indicating that the application's routes have been configured incorrectly.
InvalidCustomElementNameException Exception indicating that the custom-element name is invalid.
InvalidI18NConfigurationException Exception indicating that the application's I18N localization has been configured incorrectly.
InvalidRouteConfigurationException Exception indicating that the application's routes have been configured incorrectly.
InvalidRouteLayoutConfigurationException Exception indicating that Route layouts configuration has problems.
NoInputStreamException Exception for when there is no
InputStreamavailable.NoOutputStreamException Exception for when there is no
OutputStreamavailable.ServiceException Thrown for problems which occur in the
VaadinServicelayer.SessionExpiredException Exception indicating that the session has expired.
UploadException Upload exception class.
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Annotation Types Summary Annotation Type Description PWA Defines application PWA properties.
VaadinServletConfiguration Deprecated Leftover from Vaadin Framework 8 where the developer typically defines their own servlet class.
VaadinServletConfiguration.InitParameterName Defines the init parameter name for methods in
VaadinServletConfiguration.