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J2ME PushRegistry E-mail
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The PushRegistry maintains a list of inbound connections. An application can register the inbound connections with an entry in the JAD file or by dynamically calling the registerConnection method. If a notification arrives for a registered MIDlet when the application is not running, the AMS will start the MIDlet via the MIDlet.startApp method.

/*Display the list of all inbound connections.*/
public void displayConnections() {
    String[] allConnections = PushRegistry.listConnections(false);
    StringBuffer sbuf = new StringBuffer();
    if (allConnections != null && allConnections.length > 0) {
        for (int i = 0; i < allConnections.length; i++ ) {
            sbuf.append(allConnections[i]);
            sbuf.append("\n");
        }
    }
    String str = sbf.toString();
}

/*Register or Unregister an inbound connection*/
public void regConnection() {
    try {
        String url = "socket://";
        String classname = "Midlet" //Midlet to be launched
                if (register) {
            PushRegistry.registerConnection(url, classname, "*");
                else {
            PushRegistry.unregisterConnection(url);
                }
    catch (IllegalArgumentException iae) {
    catch (IOException ioe) {
    }
}

/*register an alarm*/
public void setAlarm() {
    try {
        Date d = new Date();
        String classname = "Midlet"
                long previousAlarmTime = PushRegistry.registerAlarm(
                classname,d.getTime() + MILLISECONDS_TILL_ALARM);
    catch (Exception e) {
    }
}

/*Connect to Url*/
public void connectUrl() {
    try {
        String[] connections = PushRegistry.listConnections(true);
        if (connections != null && connections.length > 0) {
            for (int i = 0; i < connections.length; i++ ) {
                ServerSocketConnection serverConnection = 
                      (ServerSocketConnection)Connector.open(connections[i]);
                
                SocketConnection socketConnection = 
                      (SocketConnection)serverConnection.acceptAndOpen();
                
                socketConnection.close();
                serverConnection.close();
            }
        }
    catch (Exception e) {
    }
}


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