// 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();
}