/* * @(#)SMSSender.java	1.5 03/10/29 * * Copyright (c) 1999-2003 Sun Microsystems, Inc. All rights reserved.  * PROPRIETARY/CONFIDENTIAL * Use is subject to license terms */package example.sms;import javax.microedition.io.*;import javax.microedition.lcdui.*;import javax.wireless.messaging.*;import java.io.IOException;/** * Prompts for text and sends it via an SMS MessageConnection */public class SMSSender     implements CommandListener, Runnable {    /** user interface command for indicating Send request */    Command sendCommand = new Command("Send", Command.OK, 1);    /** user interface command for going back to the previous screen */    Command backCommand = new Command("Back", Command.BACK, 2);    /** Display to use. */    Display display;    /** The port on which we send SMS messages */    String smsPort;    /** The URL to send the message to */    String destinationAddress;    /** Area where the user enters a message to send */    TextBox messageBox;    /** Where to return if the user hits "Back" */    Displayable backScreen;    /** Displayed when a message is being sent */    Displayable sendingScreen;        /**     * Initialize the MIDlet with the current display object and     * graphical components.      */    public SMSSender(String smsPort, Display display,        Displayable backScreen, Displayable sendingScreen) {        this.smsPort = smsPort;        this.display = display;        this.destinationAddress = null;        this.backScreen = backScreen;        this.sendingScreen = sendingScreen;        messageBox = new TextBox("Enter Message", null, 65535, TextField.ANY);        messageBox.addCommand(backCommand);        messageBox.addCommand(sendCommand);        messageBox.setCommandListener(this);    }    /**     * Prompt for message and send it     */    public void promptAndSend(String destinationAddress)    {        this.destinationAddress = destinationAddress;        display.setCurrent(messageBox);    }        /**     * 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 == backCommand) {                display.setCurrent(backScreen);            } else if (c == sendCommand) {                display.setCurrent(sendingScreen);                new Thread(this).start();                }        } catch (Exception ex) {            ex.printStackTrace();        }    }        /**     * Send the message. Called on a separate thread so we don't have     * contention for the display     */    public void run() {        String address = destinationAddress + ":" + smsPort;                   MessageConnection smsconn = null;        try {            /** Open the message connection. */            smsconn = (MessageConnection)Connector.open(address);            TextMessage txtmessage = (TextMessage)smsconn.newMessage(                MessageConnection.TEXT_MESSAGE);            txtmessage.setAddress(address);            txtmessage.setPayloadText(messageBox.getString());            smsconn.send(txtmessage);        } catch (Throwable t) {System.out.println("Send caught: ");t.printStackTrace();        }        if (smsconn != null) {            try {                smsconn.close();            } catch (IOException ioe) {System.out.println("Closing connection caught: ");ioe.printStackTrace();            }                        }    }}