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

Field Summary

Fields

Modifier and Type	Field and Description
static String	ERROR_HEADER_NO_APP_CONFIGURATOR
static String	ERROR_HEADER_NO_SHELL
static String	ERROR_HEADER_OFFENDING
static String	ERROR_HEADER_OFFENDING_CONFIGURATOR

Constructor Summary

Constructors

Constructor and Description
AppShellRegistry()

Method Summary

Modifier and Type	Method and 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.
String	getTitle() Return the text content of the title tag in the application shell.
boolean	isShell(Class<?> clz) Checks whether the class is extending AppShellConfigurator.
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 Detail

ERROR_HEADER_NO_SHELL

public static final String ERROR_HEADER_NO_SHELL

See Also:

Constant Field Values

ERROR_HEADER_OFFENDING

public static final String ERROR_HEADER_OFFENDING

See Also:

Constant Field Values

ERROR_HEADER_NO_APP_CONFIGURATOR

public static final String ERROR_HEADER_NO_APP_CONFIGURATOR

See Also:

Constant Field Values

ERROR_HEADER_OFFENDING_CONFIGURATOR

public static final String ERROR_HEADER_OFFENDING_CONFIGURATOR

See Also:

Constant Field Values

Constructor Detail

AppShellRegistry

public AppShellRegistry()

Method Detail

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 extending VaadinAppShell class.

getShell

public Class<? extends AppShellConfigurator> getShell()

Returns the AppShellConfigurator class in the application.

Returns:

the app shell class

isShell

public boolean isShell(Class<?> clz)

Checks whether the class is extending AppShellConfigurator.

Parameters:

clz - the class to check.

Returns:

true if the class extends AppShellConfigurator.

getTitle

public String getTitle()

Return the text content of the title tag in the application shell.

Returns:

title;

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