com.vaadin.flow.server.startup.

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.
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

All Methods
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.
`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, requiresLookup

- 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
  - contextInitialized
```
public void contextInitialized(ServletContextEvent ctx)
```
  - contextDestroyed
```
public void contextDestroyed(ServletContextEvent ctx)
```

com.vaadin.flow.server.startup.

Class DevModeInitializer

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

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

Constructor Detail

DevModeInitializer

Method Detail

process

initDevModeHandler

contextInitialized

contextDestroyed