Package com.vaadin.flow.server

Class AppShellRegistry

java.lang.Object

com.vaadin.flow.server.AppShellRegistry

All Implemented Interfaces:

Serializable

public class AppShellRegistry
extends Object
implements Serializable

The registry class for AppShellConfigurator annotations.

Since:

3.0

See Also:

• Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AppShellRegistry.AppShellRegistryWrapper	A wrapper class for storing the AppShellRegistry instance in the servlet context.

Field Summary

Fields

Modifier and Type	Field	Description
static final String	ERROR_HEADER_NO_SHELL
static final String	ERROR_HEADER_OFFENDING_PWA

Method Summary

Modifier and Type	Method	Description
static AppShellRegistry	getInstance(VaadinContext context)	Returns the instance of the registry, or create a new one if it does not exist yet.
Class<? extends AppShellConfigurator>	getShell()	Returns the AppShellConfigurator class in the application.
void	modifyIndexHtml(org.jsoup.nodes.Document document, VaadinRequest request)	Modifies the `index.html` document based on the AppShellConfigurator annotations or AppShellConfigurator.configurePage(AppShellSettings) method.
void	modifyPushConfiguration(PushConfiguration pushConfiguration)	Modifies PushConfiguration instance based on the Push annotation on AppShellConfigurator.
void	reset()	Reset the registry configuration so as it's possible to perform a new configuration and validation.
void	setShell(Class<? extends AppShellConfigurator> shell)	Sets the AppShellConfigurator class in the application.
String	toString()
String	validateClass(Class<?> clz)	Checks whether a class have annotations that should only be in AppShellConfigurator classes.

Methods inherited from class java.lang.Object

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

Field Details

ERROR_HEADER_NO_SHELL

public static final String ERROR_HEADER_NO_SHELL

See Also:

• Constant Field Values

ERROR_HEADER_OFFENDING_PWA

public static final String ERROR_HEADER_OFFENDING_PWA

See Also:

• Constant Field Values

Method Details

getInstance

public static AppShellRegistry getInstance(VaadinContext context)

Returns the instance of the registry, or create a new one if it does not exist yet.

Parameters:

context - servlet context

Returns:

the registry instance

reset

public void reset()

Reset the registry configuration so as it's possible to perform a new configuration and validation.

setShell

public void setShell(Class<? extends AppShellConfigurator> shell)

Sets the AppShellConfigurator class in the application. Pass a null to reset the previous one when reusing the instance.

Parameters:

shell - the class implementing AppShellConfigurator.

getShell

public Class<? extends AppShellConfigurator> getShell()

Returns the AppShellConfigurator class in the application.

Returns:

the app shell class

validateClass

public String validateClass(Class<?> clz)

Checks whether a class have annotations that should only be in AppShellConfigurator classes.

Parameters:

clz - the class to check.

Returns:

a string with the error lines if the class has offending annotations

modifyIndexHtml

public void modifyIndexHtml(org.jsoup.nodes.Document document,
 VaadinRequest request)

Modifies the `index.html` document based on the AppShellConfigurator annotations or AppShellConfigurator.configurePage(AppShellSettings) method.

Parameters:

document - a JSoup document for the index.html page

request - The request to handle

modifyPushConfiguration

public void modifyPushConfiguration(PushConfiguration pushConfiguration)

Modifies PushConfiguration instance based on the Push annotation on AppShellConfigurator.

Parameters:

pushConfiguration - the PushConfigration instance to modify

toString

public String toString()

Overrides:

toString in class Object