Handler

java.lang.Object

it.fi.meucci.Handler

public abstract class Handler extends Object

This class contains all the methods needed to send and to manage messages. They are called by Request Listener class and can't be instantiated.

Constructor Summary

Constructors

Constructor

Description

Handler()
Method Summary

Modifier and Type

Method

Description

static void

handle(Message msg)

General purpose handler that automatically throws an exception

static void

handleCommand(Message msg)

Handles a Command.

static void

handleMessage(Message msg)

Handles a Message

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

Constructor Details
- Handler
  
  public Handler()
Method Details
- handleMessage
  
  public static void handleMessage(Message msg) throws NeedNameException, DestNotCorrectException, IOException
  
  Handles a Message
  
  Parameters:
  
  msg - The message to be handled
  
  Throws:
  
  NeedNameException - When the message does not have a valid sender
  
  DestNotCorrectException - When the message does not have a valid receiver
  
  IOException - When it's unable to send the message on the socket's output stream
- handleCommand
  
  public static void handleCommand(Message msg) throws NeedNameException, DestNotCorrectException, DisconnectException, CommandNotRecognizedException
  
  Handles a Command. Checks if the message has a correct addressee and a correct sender.
  
  Parameters:
  
  msg - The command to be handled
  
  Throws:
  
  NeedNameException - When the name does not have a valid sender
  
  DestNotCorrectException - When the name does not have a valid addressee
  
  DisconnectException - When the user asked to disconnect
  
  CommandNotRecognizedException - When the command sent by the user is not valid
- handle
  
  public static void handle(Message msg) throws HandlerException
  
  General purpose handler that automatically throws an exception
  
  Parameters:
  
  msg - The message to be handled
  
  Throws:
  
  HandlerException - A Command Not Recognized Exception