接口 RequestCallback
- 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 aClientHttpRequest
. 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:
方法概要
所有方法 实例方法 抽象方法 修饰符和类型 方法 说明 void
doWithRequest(ClientHttpRequest request)
方法详细资料
doWithRequest
void doWithRequest(ClientHttpRequest request) throws IOException
Gets called byRestTemplate.execute(java.lang.String, org.springframework.http.HttpMethod, org.springframework.web.client.RequestCallback, org.springframework.web.client.ResponseExtractor<T>, java.lang.Object...)
with an openedClientHttpRequest
. Does not need to care about closing the request or about handling errors: this will all be handled by theRestTemplate
.- 参数:
request
- the active HTTP request- 抛出:
IOException
- in case of I/O errors