com.vaadin.flow.server

Class BootstrapHandler.BootstrapContext

java.lang.Object

com.vaadin.flow.server.BootstrapHandler.BootstrapContext

Enclosing class:

BootstrapHandler

protected static class BootstrapHandler.BootstrapContext
extends Object

Provides context information for the bootstrap process.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	BootstrapContext(VaadinRequest request, VaadinResponse response, VaadinSession session, UI ui) Creates a new context instance using the given parameters.

Method Summary

Modifier and Type	Method and Description
String	getAppId() Gets the application id.
elemental.json.JsonObject	getApplicationParameters() Gets the application parameters specified by the BootstrapHandler.
<T extends Annotation> Optional<T>	getPageConfigurationAnnotation(Class<T> annotationType) Gets an annotation from the topmost class in the current navigation target hierarchy.
<T extends Annotation> List<T>	getPageConfigurationAnnotations(Class<T> annotationType) Gets a a list of annotations from the topmost class in the current navigation target hierarchy.
PushMode	getPushMode() Gets the push mode to use.
VaadinRequest	getRequest() Gets the Vaadin/HTTP request.
VaadinResponse	getResponse() Gets the Vaadin/HTTP response.
VaadinSession	getSession() Gets the Vaadin session.
protected Optional<ThemeDefinition>	getTheme() Gets the ThemeDefinition associated with the pageConfigurationHolder of this context, if any.
UI	getUI() Gets the UI.
BootstrapHandler.BootstrapUriResolver	getUriResolver() Gets the URI resolver to use for bootstrap resources.
boolean	isProductionMode() Checks if the application is running in production mode.

Methods inherited from class java.lang.Object

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

Constructor Detail

BootstrapContext

protected BootstrapContext(VaadinRequest request,
                           VaadinResponse response,
                           VaadinSession session,
                           UI ui)

Creates a new context instance using the given parameters.

Parameters:

request - the request object

response - the response object

session - the current session

ui - the UI object

Method Detail

getResponse

public VaadinResponse getResponse()

Gets the Vaadin/HTTP response.

Returns:

the Vaadin/HTTP response

getRequest

public VaadinRequest getRequest()

Gets the Vaadin/HTTP request.

Returns:

the Vaadin/HTTP request

getSession

public VaadinSession getSession()

Gets the Vaadin session.

Returns:

the Vaadin session

getUI

public UI getUI()

Gets the UI.

Returns:

the UI

getPushMode

public PushMode getPushMode()

Gets the push mode to use.

Returns:

the desired push mode

getAppId

public String getAppId()

Gets the application id. The application id is defined by VaadinService.getMainDivId(VaadinSession, VaadinRequest)

Returns:

the application id

getApplicationParameters

public elemental.json.JsonObject getApplicationParameters()

Gets the application parameters specified by the BootstrapHandler.

Returns:

the application parameters that will be written on the page

getUriResolver

public BootstrapHandler.BootstrapUriResolver getUriResolver()

Gets the URI resolver to use for bootstrap resources.

Returns:

the URI resolver

isProductionMode

public boolean isProductionMode()

Checks if the application is running in production mode.

Returns:

true if in production mode, false otherwise.

getPageConfigurationAnnotation

public <T extends Annotation> Optional<T> getPageConfigurationAnnotation(Class<T> annotationType)

Gets an annotation from the topmost class in the current navigation target hierarchy.

Type Parameters:

T - the type of the annotation

Parameters:

annotationType - the type of the annotation to get

Returns:

an annotation, or an empty optional if there is no current navigation target or if it doesn't have the annotation

getPageConfigurationAnnotations

public <T extends Annotation> List<T> getPageConfigurationAnnotations(Class<T> annotationType)

Gets a a list of annotations from the topmost class in the current navigation target hierarchy.

Type Parameters:

T - the type of the annotations

Parameters:

annotationType - the type of the annotation to get

Returns:

a list of annotation, or an empty list if there is no current navigation target or if it doesn't have the annotation

getTheme

protected Optional<ThemeDefinition> getTheme()

Gets the ThemeDefinition associated with the pageConfigurationHolder of this context, if any.

Returns:

the theme definition, or empty if none is found, or pageConfigurationHolder is null

See Also:

UI.getThemeFor(Class, String)