J2ME SMS : Receiving SMS in J2ME

/*
J2ME SMS
Source code example for receiving SMS in J2ME
*
* @(#)SMSReceive.java 1.11 04/03/22
*
* Copyright (c) 1999-2004 Sun Microsystems, Inc. All rights reserved.
* PROPRIETARY/CONFIDENTIAL
* Use is subject to license terms
*/

package example.sms;

import javax.microedition.midlet.*;
import javax.microedition.io.*;
import javax.microedition.lcdui.*;
import javax.wireless.messaging.*;

import java.io.IOException;

/**
* An example MIDlet displays text from an SMS MessageConnection
*/
public class SMSReceive extends MIDlet
implements CommandListener, Runnable, MessageListener {

/** user interface command for indicating Exit request. */
Command exitCommand = new Command("Exit", Command.EXIT, 2);
/** user interface command for indicating Reply request */
Command replyCommand = new Command("Reply", Command.OK, 1);
/** user interface text box for the contents of the fetched URL. */
Alert content;
/** current display. */
Display display;
/** instance of a thread for asynchronous networking and user interface. */
Thread thread;
/** Connections detected at start up. */
String[] connections;
/** Flag to signal end of processing. */
boolean done;
/** The port on which we listen for SMS messages */
String smsPort;
/** SMS message connection for inbound text messages. */
MessageConnection smsconn = null;
/** Current message read from the network. */
Message msg;
/** Address of the message's sender */
String senderAddress;
/** Alert that is displayed when replying */
Alert sendingMessageAlert;
/** Prompts for and sends the text reply */
SMSSender sender;
/** The screen to display when we return from being paused */
Displayable resumeScreen;

/**
* Initialize the MIDlet with the current display object and
* graphical components.
*/
public SMSReceive() {
smsPort = getAppProperty("SMS-Port");

display = Display.getDisplay(this);

content = new Alert("SMS Receive");
content.setTimeout(Alert.FOREVER);
content.addCommand(exitCommand);
content.setCommandListener(this);
content.setString("Receiving...");

sendingMessageAlert = new Alert("SMS", null, null, AlertType.INFO);
sendingMessageAlert.setTimeout(5000);
sendingMessageAlert.setCommandListener(this);

sender = new SMSSender(smsPort, display, content, sendingMessageAlert);

resumeScreen = content;
}

/**
* Start creates the thread to do the MessageConnection receive
* text.
* It should return immediately to keep the dispatcher
* from hanging.
*/
public void startApp() {
// SMS connection to be read.
String smsConnection = "sms://:" + smsPort;
content.setString(smsConnection);

// Open the message connection.

// if (smsconn == null) {
try {
smsconn = (MessageConnection)Connector.open(smsConnection, Connector.READ);
// smsconn.setMessageListener(this);
} catch (Throwable t) {
content.setString(t.toString());
}
// } catch (IOException ioe) {
// content.setString(ioe.toString());
// ioe.printStackTrace();
// }
// }
/*
// Initialize the text if we were started manually.
connections = PushRegistry.listConnections(true);
if (connections == null || connections.length == 0) {
content.setString("Waiting for SMS on port " + smsPort + "...");
}
done = false;
thread = new Thread(this);
thread.start();
*/
display.setCurrent(resumeScreen);
}

/**
* Notification that a message arrived.
* @param conn the connection with messages available
*/
public void notifyIncomingMessage(MessageConnection conn) {
if (thread == null) {
done = false;
thread = new Thread(this);
thread.start();
}
}

/** Message reading thread. */
public void run() {
/** Check for sms connection. */
try {
msg = smsconn.receive();
if (msg != null) {
senderAddress = msg.getAddress();
content.setTitle("From: " + senderAddress);
if (msg instanceof TextMessage) {
content.setString(((TextMessage)msg).getPayloadText());
} else {
StringBuffer buf = new StringBuffer();
byte[] data = ((BinaryMessage)msg).getPayloadData();
for (int i = 0; i < data.length; i++) {
int intData = (int)data & 0xFF;
if (intData < 0x10) {
buf.append("0");
}
buf.append(Integer.toHexString(intData));
buf.append(' ');
}
content.setString(buf.toString());
}
content.addCommand(replyCommand);
display.setCurrent(content);
}
} catch (IOException e) {
// e.printStackTrace();
}
}
/**
* Pause signals the thread to stop by clearing the thread field.
* If stopped before done with the iterations it will
* be restarted from scratch later.
*/
public void pauseApp() {
done = true;
thread = null;
resumeScreen = display.getCurrent();
}

/**
* Destroy must cleanup everything. The thread is signaled
* to stop and no result is produced.
* @param unconditional true if a forced shutdown was requested
*/
public void destroyApp(boolean unconditional) {
done = true;
thread = null;
if (smsconn != null) {
try {
smsconn.close();
} catch (IOException e) {
// Ignore any errors on shutdown
}
}
}

/**
* Respond to commands, including exit
* @param c user interface command requested
* @param s screen object initiating the request
*/
public void commandAction(Command c, Displayable s) {
try {
if (c == exitCommand || c == Alert.DISMISS_COMMAND) {
destroyApp(false);
notifyDestroyed();
} else if (c == replyCommand) {
reply();
}
} catch (Exception ex) {
ex.printStackTrace();
}
}

/**
* Allow the user to reply to the received message
*/
private void reply() {
// remove the leading "sms://" for diplaying the destination address
String address = senderAddress.substring(6);
String statusMessage = "Sending message to " + address + "...";
sendingMessageAlert.setString(statusMessage);
sender.promptAndSend(senderAddress);
}
}

J2ME SMS : Sending SMS in J2ME

/************************************************** ***
J2ME SMS
Sending SMS in J2ME


insert this line into JAD file:
Port-SMS: 50056


************************************************** ****/

import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.wireless.messaging.*;
import javax.microedition.io.*;
import java.io.*;

public class SendSMSextends MIDlet
implements CommandListener, Runnable {

private Display display;
private Command cmdExit, cmdContinue, cmdBack, cmdSend;
private Displayable prevScreen;
private TextBox tfNum, tfText;
private String port;
private Thread thread;
private Alert alert;

private final String INVALID_PHONE =
"Nomor yang dimasukkan tidak absah";

public SendSMS() {
display = Display.getDisplay(this);

port = "50056";
if(getAppProperty("Port-SMS") != null)
port = getAppProperty("Port-SMS");

cmdExit = new Command("Exit", Command.EXIT, 1);
cmdContinue = new Command("Continue", Command.SCREEN, 1);
cmdBack = new Command("Back", Command.BACK, 1);
cmdSend = new Command("Send", Command.SCREEN, 1);

alert = new Alert(null);
alert.setTimeout(3000);
}

public void startApp() {
tfNum = generatePhoneInput();
}

public void pauseApp() {
}

public void destroyApp(boolean unconditional) {
}

public void commandAction(Command c, Displayable s) {
if (c == cmdExit) {
destroyApp(false);
notifyDestroyed();
} else if (c == cmdBack) {
display.setCurrent(tfNum);
} else if (c == cmdContinue) {
if (!isValidPhoneNumber(tfNum.getString())) {
alert.setType(AlertType.ERROR);
alert.setString(INVALID_PHONE);
display.setCurrent(alert,tfNum);
} else {
tfText = generateMessageInput();
}
} else {
thread = new Thread(this);
thread.start();
}
}

public void run() {
MessageConnection conn = null;
String address= "sms://" + tfNum.getString() + ":" + port;
try {
conn = (MessageConnection) Connector.open(address);
TextMessage msg = (TextMessage)
conn.newMessage(MessageConnection.TEXT_MESSAGE);
msg.setAddress(address);
msg.setPayloadText(tfText.getString());
conn.send(msg);
alert.setString("Sending to " +
address.substring(6));
alert.setType(AlertType.INFO);
display.setCurrent(alert);
} catch (IOException ioe) {
ioe.printStackTrace();
}
if (conn != null) {
try {
conn.close();
} catch (IOException ioe) {
ioe.printStackTrace();
}
}
}

public TextBox generatePhoneInput() {
TextBox tfPhone = new TextBox("Number?", null,
15, TextField.PHONENUMBER);
tfPhone.addCommand(cmdExit);
tfPhone.addCommand(cmdContinue);
tfPhone.setCommandListener(this);
display.setCurrent(tfPhone);
return tfPhone;
}

public TextBox generateMessageInput() {
TextBox tfMessage = new TextBox("Text Message", null,
500, TextField.ANY);
tfMessage.addCommand(cmdBack);
tfMessage.addCommand(cmdSend);
tfMessage.setCommandListener(this);
display.setCurrent(tfMessage);
return tfMessage;
}

private static boolean isValidPhoneNumber(String number) {
char[] chars = number.toCharArray();
if (chars.length == 0) {
return false;
}
int startPos = 0;
//+
if (chars[0] == '+') {
startPos = 1;
}
for (int i = startPos; i < chars.length; ++i) {
if (!Character.isDigit(chars[i])) {
return false;
}
}
return true;
}
}