org.springframework.boot.context.embedded

Class ServletListenerRegistrationBean<T extends EventListener>

java.lang.Object

org.springframework.boot.context.embedded.RegistrationBean

org.springframework.boot.context.embedded.ServletListenerRegistrationBean<T>

Type Parameters:

T - the type of listener

All Implemented Interfaces:

ServletContextInitializer, Ordered

public class ServletListenerRegistrationBean<T extends EventListener>
extends RegistrationBean

A ServletContextInitializer to register EventListeners in a Servlet 3.0+ container. Similar to the registration features provided by ServletContext but with a Spring Bean friendly design. This bean can be used to register the following types of listener:

• ServletContextAttributeListener
• ServletRequestListener
• ServletRequestAttributeListener
• HttpSessionAttributeListener
• HttpSessionListener
• ServletContextListener

Author:

Dave Syer, Phillip Webb

Field Summary

Fields inherited from interface org.springframework.core.Ordered

HIGHEST_PRECEDENCE, LOWEST_PRECEDENCE

Constructor Summary

Constructors

Constructor and Description
ServletListenerRegistrationBean() Create a new ServletListenerRegistrationBean instance.
ServletListenerRegistrationBean(T listener) Create a new ServletListenerRegistrationBean instance.

Method Summary

Modifier and Type	Method and Description
T	getListener()
static Set<Class<?>>	getSupportedTypes()
static boolean	isSupportedType(EventListener listener) Returns true if the specified listener is one of the supported types.
void	onStartup(ServletContext servletContext) Configure the given ServletContext with any servlets, filters, listeners context-params and attributes necessary for initialization.
void	setListener(T listener) Set the listener that will be registered.

Methods inherited from class org.springframework.boot.context.embedded.RegistrationBean

addInitParameter, configure, getInitParameters, getOrDeduceName, getOrder, isAsyncSupported, isEnabled, setAsyncSupported, setEnabled, setInitParameters, setName, setOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

ServletListenerRegistrationBean

public ServletListenerRegistrationBean()

Create a new ServletListenerRegistrationBean instance.

ServletListenerRegistrationBean

public ServletListenerRegistrationBean(T listener)

Create a new ServletListenerRegistrationBean instance.

Parameters:

listener - the listener to register

Method Detail

setListener

public void setListener(T listener)

Set the listener that will be registered.

Parameters:

listener - the listener to register

onStartup

public void onStartup(ServletContext servletContext)
               throws ServletException

Description copied from interface: ServletContextInitializer

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

getListener

public T getListener()

isSupportedType

public static boolean isSupportedType(EventListener listener)

Returns true if the specified listener is one of the supported types.

Parameters:

listener - the listener to test

Returns:

if the listener is of a supported type

getSupportedTypes

public static Set<Class<?>> getSupportedTypes()

Returns:

the supportedTypes for this registration