org.springframework.web.context.request.async

Class WebAsyncUtils

java.lang.Object

org.springframework.web.context.request.async.WebAsyncUtils

public abstract class WebAsyncUtils
extends java.lang.Object

Utility methods related to processing asynchronous web requests.

Since:

3.2

Author:

Rossen Stoyanchev, Juergen Hoeller

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	WebAsyncUtils.AsyncWebRequestFactory Inner class to avoid a hard dependency on the Servlet 3.0 API.

Field Summary

Fields

Modifier and Type	Field and Description
private static boolean	startAsyncAvailable
static java.lang.String	WEB_ASYNC_MANAGER_ATTRIBUTE

Constructor Summary

Constructors

Constructor and Description
WebAsyncUtils()

Method Summary

Modifier and Type	Method and Description
static AsyncWebRequest	createAsyncWebRequest(HttpServletRequest request, HttpServletResponse response) Create an AsyncWebRequest instance.
static WebAsyncManager	getAsyncManager(ServletRequest servletRequest) Obtain the WebAsyncManager for the current request, or if not found, create and associate it with the request.

Methods inherited from class java.lang.Object

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

Field Detail

WEB_ASYNC_MANAGER_ATTRIBUTE

public static final java.lang.String WEB_ASYNC_MANAGER_ATTRIBUTE

startAsyncAvailable

private static final boolean startAsyncAvailable

Constructor Detail

WebAsyncUtils

public WebAsyncUtils()

Method Detail

getAsyncManager

public static WebAsyncManager getAsyncManager(ServletRequest servletRequest)

Obtain the WebAsyncManager for the current request, or if not found, create and associate it with the request.

createAsyncWebRequest

public static AsyncWebRequest createAsyncWebRequest(HttpServletRequest request,
                                                    HttpServletResponse response)

Create an AsyncWebRequest instance. By default, an instance of StandardServletAsyncWebRequest gets created when running in Servlet 3.0 (or higher) environment - as a fallback, an instance of NoSupportAsyncWebRequest will be returned.

Parameters:

request - the current request

response - the current response

Returns:

an AsyncWebRequest instance (never null)