horstmann.ch05_mailgui

Class Mailbox

java.lang.Object

horstmann.ch05_mailgui.Mailbox

public class Mailbox
extends java.lang.Object

A mailbox contains messages that can be listed, kept or discarded.

Field Summary

Fields

Modifier and Type	Field and Description
private java.lang.String	greeting
private MessageQueue	keptMessages
private MessageQueue	newMessages
private java.lang.String	passcode

Constructor Summary

Constructors

Constructor and Description
Mailbox(java.lang.String aPasscode, java.lang.String aGreeting) Create Mailbox object.

Method Summary

Modifier and Type	Method and Description
void	addMessage(Message aMessage) Add a message to the mailbox.
boolean	checkPasscode(java.lang.String aPasscode) Check if the entered supplied is correct.
(package private) Message	getCurrentMessage() Get the current message.
(package private) java.lang.String	getGreeting() Get the mailbox's greeting.
Message	removeCurrentMessage() Remove the current message from the mailbox.
void	saveCurrentMessage() Save the current message
void	setGreeting(java.lang.String newGreeting) Change mailbox's greeting.
void	setPasscode(java.lang.String newPasscode) Change mailbox's passcode.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

newMessages

private MessageQueue newMessages

keptMessages

private MessageQueue keptMessages

greeting

private java.lang.String greeting

passcode

private java.lang.String passcode

Constructor Detail

Mailbox

public Mailbox(java.lang.String aPasscode,
               java.lang.String aGreeting)

Create Mailbox object.

Parameters:

aPasscode - passcode number

aGreeting - greeting string

Method Detail

checkPasscode

public boolean checkPasscode(java.lang.String aPasscode)

Check if the entered supplied is correct.

Parameters:

aPasscode - a passcode to check

Returns:

true if the supplied passcode matches the mailbox passcode

addMessage

public void addMessage(Message aMessage)

Add a message to the mailbox.

Parameters:

aMessage - the message to be added

getCurrentMessage

Message getCurrentMessage()

Get the current message.

Returns:

the current message

removeCurrentMessage

public Message removeCurrentMessage()

Remove the current message from the mailbox.

Returns:

the message that has just been removed

saveCurrentMessage

public void saveCurrentMessage()

Save the current message

setGreeting

public void setGreeting(java.lang.String newGreeting)

Change mailbox's greeting.

Parameters:

newGreeting - the new greeting string

setPasscode

public void setPasscode(java.lang.String newPasscode)

Change mailbox's passcode.

Parameters:

newPasscode - the new passcode

getGreeting

java.lang.String getGreeting()

Get the mailbox's greeting.

Returns:

the greeting