WebAsyncUtils (Spring Framework 4.3.30.RELEASE API)

java.lang.Object
- org.springframework.web.context.request.async.WebAsyncUtils

```
public abstract class WebAsyncUtils
extends Object
```
Utility methods related to processing asynchronous web requests.
Since:
3.2
Author:
Rossen Stoyanchev, Juergen Hoeller

Field Summary
Fields
Modifier and Type Field Description
static String WEB_ASYNC_MANAGER_ATTRIBUTE

Constructor Summary
Constructors
Constructor Description
WebAsyncUtils()

Method Summary

All Methods Static Methods Concrete Methods
Modifier and Type	Method	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.
`static WebAsyncManager`	`getAsyncManager(WebRequest webRequest)`	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 String WEB_ASYNC_MANAGER_ATTRIBUTE
```
- 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.
  - getAsyncManager
```
public static WebAsyncManager getAsyncManager(WebRequest webRequest)
```
    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)