Package com.vaadin.flow.internal

Interface BrowserLiveReload

All Superinterfaces:
FragmentedMessageHolder, Serializable
All Known Implementing Classes:
DebugWindowConnection
public interface BrowserLiveReload extends FragmentedMessageHolder
Provides a way to reload browser tabs via web socket connection passed as a AtmosphereResource.

For internal use only. May be renamed or removed in a future release.

Author:
Vaadin Ltd

  • Nested Class Summary

    Nested Classes
    Modifier and Type
    Interface
    Description
    static enum 
    BrowserLiveReload.Backend
    Live reload enabling technology detected.

  • Method Summary

    Modifier and Type
    Method
    Description
    BrowserLiveReload.Backend
    getBackend()
    Detects and return enabling live reload backend technology.
    boolean
    isLiveReload(org.atmosphere.cpr.AtmosphereResource resource)
    Returns whether the passed connection is a browser live-reload connection.
    void
    onConnect(org.atmosphere.cpr.AtmosphereResource resource)
    Sets the web socket connection resource when it's established.
    void
    onDisconnect(org.atmosphere.cpr.AtmosphereResource resource)
    Removes the web socket connection resource, not null.
    void
    onMessage(org.atmosphere.cpr.AtmosphereResource resource, String msg)
    Called when any message is received through the connection.
    default void
    refresh(boolean refreshLayouts)
    Requests a refresh of the current view in the browser, without reloading the whole page.
    void
    reload()
    Requests reload via the resource provided via onConnect(AtmosphereResource) call.
    void
    sendHmrEvent(String event, com.fasterxml.jackson.databind.JsonNode eventData)
    Send a client side HMR event.
    void
    setBackend(BrowserLiveReload.Backend backend)
    Sets the live reload backend technology explicitly.
    void
    update(String path, String content)
    Request an update of the resource with the given path.

    Methods inherited from interface com.vaadin.flow.server.communication.FragmentedMessageHolder

    clearFragmentedMessage, getOrCreateFragmentedMessage

  • Method Details

    • getBackend

      BrowserLiveReload.Backend getBackend()
      Detects and return enabling live reload backend technology.
      Returns:
      enabling technology, or null if none

    • setBackend

      void setBackend(BrowserLiveReload.Backend backend)
      Sets the live reload backend technology explicitly.
      Parameters:
      backend - enabling technology, not null.

    • onConnect

      void onConnect(org.atmosphere.cpr.AtmosphereResource resource)
      Sets the web socket connection resource when it's established.
      Parameters:
      resource - a web socket connection resource, not null.

    • onDisconnect

      void onDisconnect(org.atmosphere.cpr.AtmosphereResource resource)
      Removes the web socket connection resource, not null.
      Parameters:
      resource - a web socket connection resource

    • isLiveReload

      boolean isLiveReload(org.atmosphere.cpr.AtmosphereResource resource)
      Returns whether the passed connection is a browser live-reload connection.
      Parameters:
      resource - a web socket connection resource, not null.
      Returns:
      whether the web socket connection is for live reload

    • reload

      void reload()
      Requests reload via the resource provided via onConnect(AtmosphereResource) call.

    • refresh

      default void refresh(boolean refreshLayouts)
      Requests a refresh of the current view in the browser, without reloading the whole page.
      Parameters:
      refreshLayouts - true to refresh all layouts in the route chain, false to only refresh the route component

    • update

      void update(String path, String content)
      Request an update of the resource with the given path.
      Parameters:
      path - the path of the file to update, relative to the servlet path
      content - the new content of the file

    • onMessage

      void onMessage(org.atmosphere.cpr.AtmosphereResource resource, String msg)
      Called when any message is received through the connection.
      Parameters:
      resource - the atmosphere resource that received the message
      msg - the received message

    • sendHmrEvent

      void sendHmrEvent(String event, com.fasterxml.jackson.databind.JsonNode eventData)
      Send a client side HMR event.
      Parameters:
      event - the event name
      eventData - the event data