FileDownloaderConnector (vaadin-all 8.28.1 API)

java.lang.Object
- com.vaadin.client.ui.AbstractConnector
- - com.vaadin.client.extensions.AbstractExtensionConnector
  - - com.vaadin.client.extensions.AbstractEventTriggerExtensionConnector
    - - com.vaadin.client.extensions.FileDownloaderConnector

All Implemented Interfaces:

com.google.gwt.event.shared.EventHandler, StateChangeEvent.StateChangeHandler, ServerConnector, Connector, Serializable
```
public class FileDownloaderConnector
extends AbstractEventTriggerExtensionConnector
```
See Also:

Serialized Form

Constructor Summary

Constructors
Constructor Description

FileDownloaderConnector()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`FileDownloaderState`	`getState()`	Returns the shared state object for this connector.
`void`	`setParent(ServerConnector parent)`	Sets the parent for this connector.
`protected void`	`trigger()`	Called when the download should start.

Methods inherited from class com.vaadin.client.extensions.AbstractEventTriggerExtensionConnector
extend, onUnregister

Methods inherited from class com.vaadin.client.ui.AbstractConnector
addStateChangeHandler, addStateChangeHandler, createState, doInit, ensureHandlerManager, fireEvent, forceStateChange, getChildren, getConnection, getConnectorId, getParent, getResourceUrl, getRpcImplementations, getRpcProxy, getStateType, getTag, hasEventListener, init, isEnabled, onStateChanged, registerRpc, removeStateChangeHandler, removeStateChangeHandler, setChildren, setTag, unregisterRpc, updateEnabledState

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

- Constructor Detail
  - FileDownloaderConnector
```
public FileDownloaderConnector()
```
- Method Detail
  - trigger
```
protected void trigger()
```
    Called when the download should start.
    
    Specified by:
    
    trigger in class AbstractEventTriggerExtensionConnector
    
    Since:
    
    8.4
  - setParent
```
public void setParent(ServerConnector parent)
```
    Description copied from interface: ServerConnector
    
    Sets the parent for this connector. This method should only be called by the framework to ensure that the connector hierarchy on the client side and the server side are in sync.
    Note that calling this method does not fire a ConnectorHierarchyChangeEvent. The event is fired only when the whole hierarchy has been updated.
    
    Specified by:
    
    setParent in interface ServerConnector
    
    Overrides:
    
    setParent in class AbstractExtensionConnector
    
    Parameters:
    
    parent - The new parent of the connector
  - getState
```
public FileDownloaderState getState()
```
    Description copied from class: AbstractConnector
    
    Returns the shared state object for this connector. Override this method to define the shared state type for your connector.
    
    Specified by:
    
    getState in interface ServerConnector
    
    Overrides:
    
    getState in class AbstractEventTriggerExtensionConnector
    
    Returns:
    
    the current shared state (never null)