com.vaadin.flow.server.startup

Class DevModeInitializer

java.lang.Object

com.vaadin.flow.server.startup.DevModeInitializer

All Implemented Interfaces:

Serializable, EventListener, javax.servlet.ServletContainerInitializer, javax.servlet.ServletContextListener

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

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

Since:

2.0

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DevModeInitializer.VisitedClasses The classes that were visited when determining which frontend resources are actually used.

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)
protected static Set<File>	getJarFilesFromClassloader(ClassLoader classLoader)
static void	initDevModeHandler(Set<Class<?>> classes, javax.servlet.ServletContext context, DeploymentConfiguration config) Initialize the devmode server if not in production mode or compatibility mode.
void	onStartup(Set<Class<?>> classes, javax.servlet.ServletContext context)

Methods inherited from class java.lang.Object

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

Constructor Detail

DevModeInitializer

public DevModeInitializer()

Method Detail

onStartup

public void onStartup(Set<Class<?>> classes,
                      javax.servlet.ServletContext context)
               throws javax.servlet.ServletException

Specified by:

onStartup in interface javax.servlet.ServletContainerInitializer

Throws:

javax.servlet.ServletException

initDevModeHandler

public static void initDevModeHandler(Set<Class<?>> classes,
                                      javax.servlet.ServletContext context,
                                      DeploymentConfiguration config)
                               throws javax.servlet.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:

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

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

getJarFilesFromClassloader

protected static Set<File> getJarFilesFromClassloader(ClassLoader classLoader)
                                               throws javax.servlet.ServletException

Throws:

javax.servlet.ServletException