Package com.vaadin.flow.server

Class StreamReceiver

java.lang.Object

com.vaadin.flow.server.AbstractStreamResource

com.vaadin.flow.server.StreamReceiver

All Implemented Interfaces:

Serializable

public class StreamReceiver
extends AbstractStreamResource

Represents a receiver for data upload from the client.

The instance should be registered via StreamResourceRegistry.registerResource(AbstractStreamResource). This method returns an object which may be used to get resource URI.

Since:

1.0

Author:

Vaadin Ltd

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
StreamReceiver(StateNode node, String resourceName, StreamVariable streamVariable)	Creates StreamReceiver instance for streamVariable as a data receiver.

Method Summary

Modifier and Type	Method	Description
String	getName()	Get the resource name.
StateNode	getNode()	Get the node that this stream receiver is linked to.
StreamVariable	getStreamVariable()	Get the StreamVariable for this stream receiver.

Methods inherited from class com.vaadin.flow.server.AbstractStreamResource

getCacheTime, getId, setCacheTime

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

StreamReceiver

public StreamReceiver(StateNode node,
 String resourceName,
 StreamVariable streamVariable)

Creates StreamReceiver instance for streamVariable as a data receiver.

resourceName parameter value will be used in URI (generated when resource is registered) in a way that the resourceName is the last segment of the path. So this is synthetic file name (not real one).

Parameters:

node - receiver node

resourceName - resource name for registration URI

streamVariable - stream variable for controlling the upload stream

Method Details

getNode

public StateNode getNode()

Get the node that this stream receiver is linked to.

Returns:

bound node

getStreamVariable

public StreamVariable getStreamVariable()

Get the StreamVariable for this stream receiver.

Returns:

stream variable for this receiver

getName

public String getName()

Description copied from class: AbstractStreamResource

Get the resource name.

The value will be used in URI (generated when resource is registered) in a way that the name is the last segment of the path. So this is a synthetic name.

Specified by:

getName in class AbstractStreamResource

Returns:

resource name