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.
从以下版本开始:
3.2
作者:
Rossen Stoyanchev, Juergen Hoeller

字段概要
字段
修饰符和类型字段说明
static String WEB_ASYNC_MANAGER_ATTRIBUTE

构造器概要
构造器
构造器说明
WebAsyncUtils()

方法概要

所有方法静态方法具体方法
修饰符和类型	方法	说明
`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.

从类继承的方法 java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- 字段详细资料
  - WEB_ASYNC_MANAGER_ATTRIBUTE
```
public static final String WEB_ASYNC_MANAGER_ATTRIBUTE
```
- 构造器详细资料
  - WebAsyncUtils
```
public WebAsyncUtils()
```
- 方法详细资料
  - 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.
    参数:
    request - the current request
    response - the current response
    返回:
    an AsyncWebRequest instance (never null)