AsyncExecCallback (Apache HttpClient 5.1.4 API)

```
public interface AsyncExecCallback
```
AsyncExecCallback methods represent response processing events in the client side request execution chain.

Since:

5.0

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`completed()` Triggered to signal completion of the message exchange.
`void`	`failed(Exception cause)` Triggered to signal a failure occurred during the message exchange.
`void`	`handleInformationResponse(org.apache.hc.core5.http.HttpResponse response)` Triggered to signal receipt of an intermediate response message.
`org.apache.hc.core5.http.nio.AsyncDataConsumer`	`handleResponse(org.apache.hc.core5.http.HttpResponse response, org.apache.hc.core5.http.EntityDetails entityDetails)` Triggered to signal receipt of a response message head sent by the server in response to the request being executed.

- Method Detail
  - handleResponse
```
org.apache.hc.core5.http.nio.AsyncDataConsumer handleResponse(org.apache.hc.core5.http.HttpResponse response,
                                                            org.apache.hc.core5.http.EntityDetails entityDetails)
                                                              throws org.apache.hc.core5.http.HttpException,
                                                                     IOException
```
    Triggered to signal receipt of a response message head sent by the server in response to the request being executed.
    
    Parameters:
    response - the response message head.
    entityDetails - the response entity details or null if the response does not enclose an entity.
    
    Returns:
    the data consumer to be used for processing of incoming response message body.
    
    Throws:
    
    org.apache.hc.core5.http.HttpException
    
    IOException
  - handleInformationResponse
```
void handleInformationResponse(org.apache.hc.core5.http.HttpResponse response)
                               throws org.apache.hc.core5.http.HttpException,
                                      IOException
```
    Triggered to signal receipt of an intermediate response message.
    
    Parameters:
    response - the intermediate response message.
    
    Throws:
    
    org.apache.hc.core5.http.HttpException
    
    IOException
  - completed
```
void completed()
```
    Triggered to signal completion of the message exchange.
    Implementations of this message are expected to perform resource deallocation allocated in the course of the request execution and response processing.
  - failed
```
void failed(Exception cause)
```
    Triggered to signal a failure occurred during the message exchange.
    Implementations of this message are expected to perform resource deallocation allocated in the course of the request execution and response processing.

Interface AsyncExecCallback

Method Summary

Method Detail

handleResponse

handleInformationResponse

completed

failed