程序包 cn.taketoday.web.client

接口 RequestCallback

所有已知实现类:

RestTemplate.AcceptHeaderRequestCallback, RestTemplate.HttpEntityRequestCallback

函数接口:

这是一个函数接口, 因此可用作 lambda 表达式或方法引用的赋值目标。

@FunctionalInterface
public interface RequestCallback

Callback interface for code that operates on a ClientHttpRequest. Allows manipulating the request headers, and write to the request body.

Used internally by the RestTemplate, but also useful for application code. There several available factory methods:

• RestTemplate.acceptHeaderRequestCallback(Class)
• RestTemplate.httpEntityCallback(Object)
• RestTemplate.httpEntityCallback(Object, Type)

从以下版本开始:

4.0

作者:

Arjen Poutsma

另请参阅:

• RestTemplate.execute(java.lang.String, cn.taketoday.http.HttpMethod, cn.taketoday.web.client.RequestCallback, cn.taketoday.web.client.ResponseExtractor<T>, java.lang.Object...)

方法概要

修饰符和类型	方法	说明
void	doWithRequest(ClientHttpRequest request)	Gets called by RestTemplate.execute(java.lang.String, cn.taketoday.http.HttpMethod, cn.taketoday.web.client.RequestCallback, cn.taketoday.web.client.ResponseExtractor<T>, java.lang.Object...) with an opened ClientHttpRequest.

方法详细资料

doWithRequest

void doWithRequest(ClientHttpRequest request)
            throws IOException

Gets called by RestTemplate.execute(java.lang.String, cn.taketoday.http.HttpMethod, cn.taketoday.web.client.RequestCallback, cn.taketoday.web.client.ResponseExtractor<T>, java.lang.Object...) with an opened ClientHttpRequest. Does not need to care about closing the request or about handling errors: this will all be handled by the RestTemplate.

参数:

request - the active HTTP request

抛出:

IOException - in case of I/O errors