com.vaadin.flow.server.startup

Class DevModeInitializer

java.lang.Object

com.vaadin.flow.server.startup.DevModeInitializer

All Implemented Interfaces:

ClassLoaderAwareServletContainerInitializer, VaadinContextStartupInitializer, VaadinServletContextStartupInitializer, Serializable, EventListener, javax.servlet.ServletContainerInitializer, javax.servlet.ServletContextListener

@WebListener
public class DevModeInitializer
extends Object
implements VaadinServletContextStartupInitializer, Serializable, javax.servlet.ServletContextListener

Servlet initializer starting node updaters as well as the webpack-dev-mode server.

For internal use only. May be renamed or removed in a future release.

Since:

2.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DevModeInitializer()

Method Summary

Modifier and Type	Method and Description
void	contextDestroyed(javax.servlet.ServletContextEvent ctx)
void	contextInitialized(javax.servlet.ServletContextEvent ctx)
static void	initDevModeHandler(Set<Class<?>> classes, javax.servlet.ServletContext context) Deprecated. Use initDevModeHandler(Set, VaadinContext) instead by wrapping ServletContext with VaadinServletContext.
static void	initDevModeHandler(Set<Class<?>> classes, VaadinContext context) Initialize the devmode server if not in production mode or compatibility mode.
void	initialize(Set<Class<?>> classes, VaadinContext context) Applies this initializer to the given context
static boolean	isDevModeAlreadyStarted(javax.servlet.ServletContext servletContext) Deprecated. Use isDevModeAlreadyStarted(VaadinContext) instead by wrapping ServletContext with VaadinServletContext.
static boolean	isDevModeAlreadyStarted(VaadinContext context) Shows whether DevModeHandler has been already started or not.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.vaadin.flow.server.startup.VaadinServletContextStartupInitializer

process

Methods inherited from interface com.vaadin.flow.server.startup.ClassLoaderAwareServletContainerInitializer

onStartup, requiresLookup

Constructor Detail

DevModeInitializer

public DevModeInitializer()

Method Detail

initialize

public void initialize(Set<Class<?>> classes,
                       VaadinContext context)
                throws VaadinInitializerException

Description copied from interface: VaadinContextStartupInitializer

Applies this initializer to the given context

Specified by:

initialize in interface VaadinContextStartupInitializer

Parameters:

classes - the Set of application classes which this initializer needs to do its job

context - the VaadinContext to use with this initializer

Throws:

VaadinInitializerException - if an error has occurred

initDevModeHandler

@Deprecated
public static void initDevModeHandler(Set<Class<?>> classes,
                                                  javax.servlet.ServletContext context)
                                           throws javax.servlet.ServletException

Deprecated. Use initDevModeHandler(Set, VaadinContext) instead by wrapping ServletContext with VaadinServletContext.

Initialize the devmode server if not in production mode or compatibility mode.

Parameters:

classes - classes to check for npm- and js modules

context - servlet context we are running in

Throws:

javax.servlet.ServletException - if dev mode can't be initialized

initDevModeHandler

public static void initDevModeHandler(Set<Class<?>> classes,
                                      VaadinContext context)
                               throws VaadinInitializerException

Initialize the devmode server if not in production mode or compatibility mode.

Parameters:

classes - classes to check for npm- and js modules

context - VaadinContext we are running in

Throws:

VaadinInitializerException - if dev mode can't be initialized

isDevModeAlreadyStarted

@Deprecated
public static boolean isDevModeAlreadyStarted(javax.servlet.ServletContext servletContext)

Deprecated. Use isDevModeAlreadyStarted(VaadinContext) instead by wrapping ServletContext with VaadinServletContext.

Shows whether DevModeHandler has been already started or not.

Parameters:

servletContext - The servlet context, not null

Returns:

true if DevModeHandler has already been started, false - otherwise

isDevModeAlreadyStarted

public static boolean isDevModeAlreadyStarted(VaadinContext context)

Shows whether DevModeHandler has been already started or not.

Parameters:

context - The VaadinContext, not null

Returns:

true if DevModeHandler has already been started, false - otherwise

contextInitialized

public void contextInitialized(javax.servlet.ServletContextEvent ctx)

Specified by:

contextInitialized in interface javax.servlet.ServletContextListener

contextDestroyed

public void contextDestroyed(javax.servlet.ServletContextEvent ctx)

Specified by:

contextDestroyed in interface javax.servlet.ServletContextListener