ServletContextInitializer (Spring Boot Docs 2.2.1.RELEASE API)

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All Known Implementing Classes:

AbstractFilterRegistrationBean, DelegatingFilterProxyRegistrationBean, DispatcherServletRegistrationBean, DynamicRegistrationBean, FilterRegistrationBean, RegistrationBean, ServletEndpointRegistrar, ServletListenerRegistrationBean, ServletRegistrationBean

Functional Interface:

This is a functional interface and can therefore be used as the assignment target for a lambda expression or method reference.
```
@FunctionalInterface
public interface ServletContextInitializer
```
Interface used to configure a Servlet 3.0+ context programmatically. Unlike WebApplicationInitializer, classes that implement this interface (and do not implement WebApplicationInitializer) will not be detected by SpringServletContainerInitializer and hence will not be automatically bootstrapped by the Servlet container.
This interface is designed to act in a similar way to ServletContainerInitializer, but have a lifecycle that's managed by Spring and not the Servlet container.
For configuration examples see WebApplicationInitializer.

Since:

1.4.0

Author:

Phillip Webb

See Also:

WebApplicationInitializer

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`onStartup(ServletContext servletContext)` Configure the given `ServletContext` with any servlets, filters, listeners context-params and attributes necessary for initialization.

- Method Detail
  - onStartup
```
void onStartup(ServletContext servletContext)
        throws ServletException
```
    Configure the given ServletContext with any servlets, filters, listeners context-params and attributes necessary for initialization.
    
    Parameters:
    
    servletContext - the ServletContext to initialize
    
    Throws:
    
    ServletException - if any call against the given ServletContext throws a ServletException

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