com.vaadin.flow.server.startup

Class DevModeInitializer

java.lang.Object

com.vaadin.flow.server.startup.DevModeInitializer

All Implemented Interfaces:

ClassLoaderAwareServletContainerInitializer, Serializable

public class DevModeInitializer
extends Object
implements ClassLoaderAwareServletContainerInitializer, Serializable

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

Since:

2.0

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DevModeInitializer()

Method Summary

Modifier and Type	Method and Description
void	contextDestroyed(ServletContextEvent ctx)
void	contextInitialized(ServletContextEvent ctx)
static void	initDevModeHandler(Set<Class<?>> classes, ServletContext context, DeploymentConfiguration config) Initialize the devmode server if not in production mode or compatibility mode.
static boolean	isDevModeAlreadyStarted(ServletContext servletContext) Shows whether DevModeHandler has been already started or not.
void	process(Set<Class<?>> classes, ServletContext context) Implement this method instead of ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext) to handle classes accessible by different classloaders.

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.ClassLoaderAwareServletContainerInitializer

onStartup

Constructor Detail

DevModeInitializer

public DevModeInitializer()

Method Detail

process

public void process(Set<Class<?>> classes,
                    ServletContext context)
             throws ServletException

Description copied from interface: ClassLoaderAwareServletContainerInitializer

Implement this method instead of ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext) to handle classes accessible by different classloaders.

Specified by:

process in interface ClassLoaderAwareServletContainerInitializer

Parameters:

classes - the Set of application classes that extend, implement, or have been annotated with the class types specified by the HandlesTypes annotation, or null if there are no matches, or this ServletContainerInitializer has not been annotated with HandlesTypes

context - the ServletContext of the web application that is being started and in which the classes contained in c were found

Throws:

ServletException - if an error has occurred

See Also:

ClassLoaderAwareServletContainerInitializer.onStartup(Set, ServletContext)

initDevModeHandler

public static void initDevModeHandler(Set<Class<?>> classes,
                                      ServletContext context,
                                      DeploymentConfiguration config)
                               throws ServletException

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

config - deployment configuration

Throws:

ServletException - if dev mode can't be initialized

isDevModeAlreadyStarted

public static boolean isDevModeAlreadyStarted(ServletContext servletContext)

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

contextInitialized

public void contextInitialized(ServletContextEvent ctx)

contextDestroyed

public void contextDestroyed(ServletContextEvent ctx)