com.dumbster.smtp

Class SmtpRequest

java.lang.Object

com.dumbster.smtp.SmtpRequest

public class SmtpRequest
extends java.lang.Object

Contains an SMTP client request. Handles state transitions using the following state transition table.

 -----------+-------------------------------------------------------------------------------------------------
            |                                 State
  Action    +-------------+-----------+-----------+--------------+---------------+---------------+------------
            | CONNECT     | GREET     | MAIL      | RCPT         | DATA_HDR      | DATA_BODY     | QUIT
 -----------+-------------+-----------+-----------+--------------+---------------+---------------+------------
 connect    | 220/GREET   | 503/GREET | 503/MAIL  | 503/RCPT     | 503/DATA_HDR  | 503/DATA_BODY | 503/QUIT
 ehlo       | 503/CONNECT | 250/MAIL  | 503/MAIL  | 503/RCPT     | 503/DATA_HDR  | 503/DATA_BODY | 503/QUIT
 mail       | 503/CONNECT | 503/GREET | 250/RCPT  | 503/RCPT     | 503/DATA_HDR  | 503/DATA_BODY | 250/RCPT
 rcpt       | 503/CONNECT | 503/GREET | 503/MAIL  | 250/RCPT     | 503/DATA_HDR  | 503/DATA_BODY | 503/QUIT
 data       | 503/CONNECT | 503/GREET | 503/MAIL  | 354/DATA_HDR | 503/DATA_HDR  | 503/DATA_BODY | 503/QUIT
 data_end   | 503/CONNECT | 503/GREET | 503/MAIL  | 503/RCPT     | 250/QUIT      | 250/QUIT      | 503/QUIT
 unrecog    | 500/CONNECT | 500/GREET | 500/MAIL  | 500/RCPT     | ---/DATA_HDR  | ---/DATA_BODY | 500/QUIT
 quit       | 503/CONNECT | 503/GREET | 503/MAIL  | 503/RCPT     | 503/DATA_HDR  | 503/DATA_BODY | 250/CONNECT
 blank_line | 503/CONNECT | 503/GREET | 503/MAIL  | 503/RCPT     | ---/DATA_BODY | ---/DATA_BODY | 503/QUIT
 rset       | 250/GREET   | 250/GREET | 250/GREET | 250/GREET    | 250/GREET     | 250/GREET     | 250/GREET
 vrfy       | 252/CONNECT | 252/GREET | 252/MAIL  | 252/RCPT     | 252/DATA_HDR  | 252/DATA_BODY | 252/QUIT
 expn       | 252/CONNECT | 252/GREET | 252/MAIL  | 252/RCPT     | 252/DATA_HDR  | 252/DATA_BODY | 252/QUIT
 help       | 211/CONNECT | 211/GREET | 211/MAIL  | 211/RCPT     | 211/DATA_HDR  | 211/DATA_BODY | 211/QUIT
 noop       | 250/CONNECT | 250/GREET | 250/MAIL  | 250/RCPT     | 250|DATA_HDR  | 250/DATA_BODY | 250/QUIT
 

Constructor Summary

Constructors

Constructor and Description
SmtpRequest(SmtpActionType actionType, java.lang.String params, SmtpState state) Create a new SMTP client request.

Method Summary

Modifier and Type	Method and Description
static SmtpRequest	createRequest(java.lang.String s, SmtpState state) Create an SMTP request object given a line of the input stream from the client and the current internal state.
SmtpResponse	execute() Execute the SMTP request returning a response.
java.lang.String	getParams() Get the parameters of this request (remainder of command line once the command is removed.

Methods inherited from class java.lang.Object

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

Constructor Detail

SmtpRequest

public SmtpRequest(SmtpActionType actionType,
                   java.lang.String params,
                   SmtpState state)

Create a new SMTP client request.

Parameters:

actionType - type of action/command

params - remainder of command line once command is removed

state - current SMTP server state

Method Detail

execute

public SmtpResponse execute()

Execute the SMTP request returning a response. This method models the state transition table for the SMTP server.

Returns:

reponse to the request

createRequest

public static SmtpRequest createRequest(java.lang.String s,
                                        SmtpState state)

Create an SMTP request object given a line of the input stream from the client and the current internal state.

Parameters:

s - line of input

state - current state

Returns:

a populated SmtpRequest object

getParams

public java.lang.String getParams()

Get the parameters of this request (remainder of command line once the command is removed.

Returns:

parameters