iaik.utils
Class SmtpMailer

java.lang.Object
  |
  +--iaik.utils.SmtpMailer

public class SmtpMailer

extends Object

This class implements a simple SMTP mailing tool. It can be used to send simple EMails over a SMTP mailserver. For further details check out RFC822 (STANDARD FOR THE FORMAT OF ARPA INTERNET TEXT MESSAGES) and RFC821 (SIMPLE MAIL TRANSFER PROTOCOL)

Version:

File Revision 12

Constructor Summary

SmtpMailer()
Creates a new simple SmtpMailer.

SmtpMailer(String host)
Creates a new simple SmtpMailer from a host name.

Method Summary

void	addAdditionalField(String line) Sets any additional field according to RFC822.
void	addBcc(String realName, String emailAddress) Sets the Bcc field.
void	addCc(String realName, String emailAddress) Sets the Cc field.
void	addText(String text) Adds text to message body of this EMail.
void	addTo(String realName, String emailAddress) Sets the To field.
protected boolean	checkResponse(int expected) Checks the response from the smtpd.
protected boolean	send(String message, PrintWriter writer, int expected) Prints a string using the specified PrintWriter.
protected boolean	sendCommands(PrintWriter writer) Sends the SMTP commands to the smtpd.
boolean	sendMail() Send the mail that was just created.
void	setDebug(boolean on) Switches debugging output on or off.
void	setFrom(String realName, String emailAddress) Sets the From field.
void	setReplyTo(String realName, String emailAddress) Sets the Reply-To field.
void	setSubject(String subject) Sets the Subject.
void	setText(String text) Sets the message body of this EMail.
void	setVerify(boolean on) If verify is switched on (default) SmtpMailer checks every response code from smtpd and compares it to the expected value.
String	toString() Returns a string representation of this SmtpMailer.
protected void	writeBody(PrintWriter writer) Uses this PrintWriter to print the message body.
protected void	writeHeaders(PrintWriter writer) Uses this PrintWriter to print the headers.

Methods inherited from class java.lang.Object

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

Constructor Detail

SmtpMailer

public SmtpMailer(String host)

Creates a new simple SmtpMailer from a host name.

Parameters:

host - the host with the SMTP demon

SmtpMailer

public SmtpMailer()

Creates a new simple SmtpMailer. Tries to send the email to the localhost.

Method Detail

setFrom

public void setFrom(String realName,
                    String emailAddress)

Sets the From field. Only one From field is allowed. Subsequent calls will override this field.

Parameters:

realName - the real name of the sender

emailAddress - the email address of the sender

setReplyTo

public void setReplyTo(String realName,
                       String emailAddress)

Sets the Reply-To field. Can be called multiple times to send the email to several receivers.

Parameters:

realName - the real name of one receiver

emailAddress - the email address of one receiver

setVerify

public void setVerify(boolean on)

If verify is switched on (default) SmtpMailer checks every response code from smtpd and compares it to the expected value. You get the result of the verification at the method: @see sendMail. If this method returns false you can switch on debugging to see what's going wrong.

Parameters:

on - true to switch verification on

setDebug

public void setDebug(boolean on)

Switches debugging output on or off. Debug information is sent to System.err.

Parameters:

on - true switches debugging on

addTo

public void addTo(String realName,
                  String emailAddress)

Sets the To field. Can be called multiple times to send the email to several receivers.

Parameters:

realName - the real name of one receiver

emailAddress - the email address of one receiver

addCc

public void addCc(String realName,
                  String emailAddress)

Sets the Cc field. Can be called multiple times to send the email to several receivers.

Parameters:

realName - the real name of one receiver

emailAddress - the email address of one receiver

addBcc

public void addBcc(String realName,
                   String emailAddress)

Sets the Bcc field. Can be called multiple times to send the email to several receivers.

Parameters:

realName - the real name of one receiver

emailAddress - the email address of one receiver

addAdditionalField

public void addAdditionalField(String line)

Sets any additional field according to RFC822. For example: "MIME-Version: 1.0"

Parameters:

line - a complete line

setSubject

public void setSubject(String subject)

Sets the Subject.

Parameters:

subject - the subject

setText

public void setText(String text)

Sets the message body of this EMail. This method sets the message body to text.

Parameters:

text - the text to be appended

addText

public void addText(String text)

Adds text to message body of this EMail. This method just appends the text to a StringBuffer

Parameters:

text - the text to be appended

checkResponse

protected boolean checkResponse(int expected)
                         throws SmtpException

Checks the response from the smtpd.

Parameters:

expected - the expected response code

Returns:

true if the response code from the server was the expected, false otherwise

Throws:

SmtpException - if there was an error while reading the response

send

protected boolean send(String message,
                       PrintWriter writer,
                       int expected)
                throws SmtpException

Prints a string using the specified PrintWriter.

Parameters:

message - the string to print

writer - the PrintWriter to use

Returns:

true if the response code from the server was the expected, false otherwise

Throws:

SmtpException - if there was an error while sending this string

sendCommands

protected boolean sendCommands(PrintWriter writer)
                        throws SmtpException

Sends the SMTP commands to the smtpd.

Parameters:

writer - the PrintWriter to use

Returns:

true if the response codes from the server were the expected, false otherwise

Throws:

SmtpException - if there was an error while sending the commands

writeHeaders

protected void writeHeaders(PrintWriter writer)

Uses this PrintWriter to print the headers.

Parameters:

writer - the PrintWriter for printing the headers

writeBody

protected void writeBody(PrintWriter writer)

Uses this PrintWriter to print the message body.

Parameters:

writer - the PrintWriter for printing the message body

sendMail

public boolean sendMail()
                 throws SmtpException

Send the mail that was just created.

Returns:

true if the response codes from the server were the expected (if verify is switched on), false otherwise

Throws:

SmtpException - if there is a problem while sending the EMail

toString

public String toString()

Returns a string representation of this SmtpMailer.

Overrides:

toString in class Object

Returns:

the string representation