Package org.web3j.protocol.websocket

Interface WebSocketListener

public interface WebSocketListener
A listener used to notify about about new WebSocket messages.

  • Method Summary

    Modifier and Type
    Method
    Description
    void
    onClose()
     
    void
    onError(Exception e)
     
    void
    onMessage(String message)
    Called when a new WebSocket message is delivered.

  • Method Details

    • onMessage

      void onMessage(String message) throws IOException
      Called when a new WebSocket message is delivered.
      Parameters:
      message - new WebSocket message
      Throws:
      IOException - thrown if an observer failed to process the message

    • onError

      void onError(Exception e)

    • onClose

      void onClose()