Class ControlMessage (0.18.2)

public abstract class ControlMessage extends WireMessage

Generic representation for a control wire message: that is, a message which does not handle any form of start-up, but reather general communications.

Inheritance

java.lang.Object > WireMessage > ControlMessage

Static Methods

create(ConnectionHandler connection)

public static ControlMessage create(ConnectionHandler connection)

Factory method to create the message from the specific command type char.

Parameter
NameDescription
connectionConnectionHandler

The connection handler object setup with the ability to send/receive.

Returns
TypeDescription
ControlMessage

The constructed wire message given the input message.

Exceptions
TypeDescription
Exception

If construction or reading fails.

getFormatCodes(DataInputStream input)

protected static List<Short> getFormatCodes(DataInputStream input)

Extract format codes from message (useful for both input and output format codes).

Parameter
NameDescription
inputDataInputStream

The data stream containing the user request.

Returns
TypeDescription
List<Short>

A list of format codes.

Exceptions
TypeDescription
Exception

If reading fails in any way.

Constructors

ControlMessage(ConnectionHandler connection)

public ControlMessage(ConnectionHandler connection)
Parameter
NameDescription
connectionConnectionHandler

ControlMessage(ConnectionHandler connection, int length, ControlMessage.ManuallyCreatedToken token)

protected ControlMessage(ConnectionHandler connection, int length, ControlMessage.ManuallyCreatedToken token)

Constructor for manually created Control messages.

Parameters
NameDescription
connectionConnectionHandler
lengthint
tokenControlMessage.ManuallyCreatedToken

Methods

handleError(Exception exception)

protected void handleError(Exception exception)

Takes an Exception Object and relates its results to the user within the client.

Parameter
NameDescription
exceptionException

The exception to be related.

Exceptions
TypeDescription
Exception

if there is some issue in the sending of the error messages.

isExtendedProtocol()

public boolean isExtendedProtocol()
Returns
TypeDescription
boolean