XhrConnection (Flow Client 23.6-SNAPSHOT API)

java.lang.Object
- com.vaadin.client.communication.XhrConnection

```
public class XhrConnection
extends Object
```
Provides a connection to the UIDL request handler on the server and knows how to send messages to that end point.

Since:

1.0

Author:

Vaadin Ltd

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description
`class`	`XhrConnection.XhrResponseHandler`	Handles the response from the server by forwarding the received message to `MessageHandler` or failures to the appropriate method in `ConnectionStateHandler`.

Constructor Summary

Constructors
Constructor Description

XhrConnection(Registry registry)
Creates a new instance connected to the given registry.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected XhrConnection.XhrResponseHandler`	`createResponseHandler()`
`protected String`	`getUri()`	Retrieves the URI to use when sending RPCs to the server
`void`	`send(elemental.json.JsonObject payload)`	Sends an asynchronous UIDL request to the server using the given URI.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - XhrConnection
```
public XhrConnection(Registry registry)
```
    Creates a new instance connected to the given registry.
    
    Parameters:
    
    registry - the global registry
- Method Detail
  - createResponseHandler
```
protected XhrConnection.XhrResponseHandler createResponseHandler()
```
  - send
```
public void send(elemental.json.JsonObject payload)
```
    Sends an asynchronous UIDL request to the server using the given URI.
    
    Parameters:
    
    payload - The URI to use for the request. May includes GET parameters
  - getUri
```
protected String getUri()
```
    Retrieves the URI to use when sending RPCs to the server
    
    Returns:
    
    The URI to use for server messages.