SMTPprotocol() {
super("SMTP Protocol Test v.1.0 by Tair Abdurman");
setBackground(Color.lightGray);
setLayout(new FlowLayout());
// ******************************************************************
smtpServer = new TextField("smtp.blueyonder.co.uk", 50);
smtpPort = new TextField("25", 10);
senderMail = new TextField("*****@*****.**", 80);
reciverMail = new TextField("*****@*****.**", 0);
ccMail = new TextField("", 80);
bccMail = new TextField("", 80);
subjectMail = new TextField("SMTP deneme", 80);
add(new Label("SMTP Server:"));
add(smtpServer);
add(new Label("SMTP Port:"));
add(smtpPort);
add(new Label("From: "));
add(senderMail);
add(new Label("To : "));
add(reciverMail);
add(new Label("Cc : "));
add(ccMail);
add(new Label("Bcc : "));
add(bccMail);
add(new Label("Subject :"));
add(subjectMail);
add(new Label("Content : "));
bodyMail = new InfoBox(5, 90);
bodyMail.setEditable(true);
add(bodyMail);
sendMail = new Button("send");
clearMail = new Button("clear");
quitProgram = new Button("quit");
add(sendMail);
add(clearMail);
add(quitProgram);
infoArea = new InfoBox(4, 90);
add(infoArea);
// ******************************************************************
resize(700, 450);
show();
infoArea.Println("ready ...");
}
// ON SEND MAIL
int onSendMail() {
String inBuffer;
String outBuffer;
Socket sock;
SMTPInputStream fromServer;
SMTPOutputStream toServer;
int intPort;
// TEST RECIPIENT ADDRESS it must be at once
if (reciverMail.getText().length() < 1) {
infoArea.Println("enter recipient please ...");
return -1;
}
// TEST PORT NUMBER FORMAT and ALERT WHEN NOT 25
intPort = -1;
infoArea.Clear();
infoArea.Println("check port ...");
try {
intPort = Integer.valueOf(smtpPort.getText()).intValue();
if ((intPort < 0) || (intPort > 65356)) {
infoArea.Println("invalid port ...");
return -1;
}
if (intPort != 25) infoArea.Println("attention port is not 25 ...");
infoArea.Println("port number is " + smtpPort.getText());
} catch (NumberFormatException e) {
infoArea.Println("invalid port ...");
return -1;
}
// CREATE SMTP CONNECTION
infoArea.Println("connect to server ...");
try {
sock = new Socket(smtpServer.getText(), intPort);
} catch (IOException e) {
infoArea.Println("unable to connect(SK) ... " + e);
return -1;
}
// CREATE SERVER STREAMS
// INPUT STREAM
try {
fromServer = new SMTPInputStream(sock);
} catch (IOException e) {
infoArea.Println("unable to connect(IS) ...");
return -1;
}
// OUTPUT STREAM
try {
toServer = new SMTPOutputStream(sock);
} catch (IOException e) {
infoArea.Println("unable to connect(OS) ...");
return -1;
}
infoArea.Println("connected ...");
// Mail Sending
infoArea.Println("sending mail ...");
// *******************************************************************
try {
int i = doSMTPTransaction(fromServer, toServer);
if (i == 0) infoArea.Println("complete ...");
else infoArea.Println("error ...");
} catch (IOException e) {
infoArea.Println("error ...");
}
// *******************************************************************
// CLOSE SERVER STREAMS
// OUTPUT STREAM
infoArea.Println("disconnect from server ...");
try {
toServer.Close();
} catch (IOException e) {
infoArea.Println("alert OUTPUT STREAM ...");
}
// INPUT STREAM
try {
fromServer.Close();
} catch (IOException e) {
infoArea.Println("alert INPUT STREAM ...");
}
// CLOSE CONNECTION
try {
sock.close();
infoArea.Println("disconnected ...");
} catch (IOException e) {
infoArea.Println("unable to disconnect ...");
return -1;
}
return 0;
}
// ON CLEAR MAIL
void onClearMail() {
infoArea.Println("clearing mail ...");
bodyMail.Clear();
}
// ON QUIT PROGRAM
void onQuit() {
infoArea.Println("quit programm ...");
System.exit(0);
}