Class ServerToClientProtocol

java.lang.Object
com.sparshui.common.ClientProtocol
com.sparshui.server.ServerToClientProtocol

public class ServerToClientProtocol extends ClientProtocol
Represents the server to client connection.
Author:
Tony Ross
  • Constructor Details

    • ServerToClientProtocol

      public ServerToClientProtocol(Socket socket) throws IOException
      Constructs a new connection to the client.
      Parameters:
      socket - The socket that has been opened to the client.
      Throws:
      IOException
  • Method Details

    • getGestures

      public Lst<GestureType> getGestures(int groupID) throws IOException
      Retrieve a list of allowed gestures for the provided group id. The message sent is of the following format: 1 byte - Event Type 4 bytes - Message Length 4 bytes - GroupID
      Parameters:
      groupID - The ID of the group to obtain allowed gestures for
      Returns:
      A list containing string identifiers for all allowed gestures
      Throws:
      IOException - If an error occurs while communication with the client.
    • getGroupID

      public int getGroupID(TouchPoint touchPoint) throws IOException
      Retrieve a list of allowed gestures for the provided group id. The message sent is of the following format: 1 byte - Event Type 4 bytes - Message Length 4 bytes - x coordinate 4 bytes - y coordinate
      Parameters:
      touchPoint - The data point for the group to retrieve from
      Returns:
      The Group ID
      Throws:
      IOException - If an error occurs during communication with the client.
    • processEvents

      public void processEvents(int groupID, Lst<Event> events) throws IOException
      Instruct the client to process the events that have been generated by a group.
      Parameters:
      groupID - The group ID these events have been generated on.
      events -
      Throws:
      IOException - If there is a communication error.
    • processError

      public void processError(int errCode) throws IOException
      Send an error message to the client.
      Parameters:
      errCode - EventType.DRIVER_NONE
      Throws:
      IOException - If there is a communication error.