//saves a given contact do DB.    public Contact saveContactToDB(Contact contact) throws MyException {        //for the sake of simplicity we just try to determine if there's any charakter before the @        if (contact.getEmail() == null || contact.getEmail().indexOf("@") < 1) {            throw new MyException(MyException.VARIOUS_BAD_EMAIL);        }        if ((getEmailHash().containsKey(contact.getEmail())) && mode != MODE_EDIT) {            throw new MyException(MyException.VARIOUS_AB_MULTIPLE_ENTRIES);        }        MyException exception = null;        RecordStore ADRS = Functions.openRecordStore("AddressBook", true);        try {            ByteArrayOutputStream byteStream;            DataOutputStream outputStream;            byteStream = new ByteArrayOutputStream();            outputStream = new DataOutputStream(byteStream);            if (mode == MODE_EDIT) {                contact.DBIndex = ((Contact) getAddresses().elementAt(cur)).DBIndex;            }            //if the name is not presented or invalid, try to guest it from the email address            if (contact.name == null || contact.name.length() == 0) {                contact.name = contact.getEmail().substring(0, contact.getEmail().indexOf("@"));            }            outputStream.writeUTF(contact.name);            outputStream.writeUTF(contact.getEmail());            outputStream.writeUTF(contact.notes);            outputStream.flush();            /*buggy setRecord() method not only on the WTK emulator            if (mode != MODE_EDIT)             contact.DBIndex = ADRS.addRecord( byteStream.toByteArray(), 0, byteStream.size() );			            else             ADRS.setRecord(contact.DBIndex, byteStream.toByteArray(), 0, byteStream.size() );             */            int oldIndex = contact.DBIndex;            contact.DBIndex = ADRS.addRecord(byteStream.toByteArray(), 0, byteStream.size());            if (mode == MODE_EDIT) {                ADRS.deleteRecord(oldIndex);            }            outputStream.close();            byteStream.close();        } catch (Exception ex) {            exception = new MyException(MyException.DB_CANNOT_SAVE_CONTACT);        }        Functions.closeRecordStore(ADRS);        if (exception != null) {            throw exception;        }        return contact;    }    //edits a selected contact    public void edit(int index) {        if (0 <= index && index < getAddresses().size()) {            Contact contact = (Contact) getAddresses().elementAt(index);            mode = MODE_EDIT;            cntForm = createCntForm();            ((TextField) cntForm.get(0)).setString(contact.name);            ((TextField) cntForm.get(1)).setString(contact.getEmail());            ((TextField) cntForm.get(2)).setString(contact.notes);            mujMail.getDisplay().setCurrent(cntForm);        }    }    //creates a Contact form so we can add or edit a contact    private Form createCntForm() {        TextField name, email, notes;        cntForm = new Form(Lang.get(Lang.AD_CONTACT_INFO));        name = new TextField(Lang.get(Lang.AD_NAME), "", 50, TextField.ANY);        if ( Properties.textFieldMailIncorrect ) {            email = new TextField(Lang.get(Lang.AD_EMAIL), "@", 512, TextField.ANY);        } else {             email = new TextField(Lang.get(Lang.AD_EMAIL), "@", 512, TextField.EMAILADDR);         }        notes = new TextField(Lang.get(Lang.AD_NOTES), "", 1000, TextField.ANY);        cntForm.append(name);        cntForm.append(email);        cntForm.append(notes);        cntForm.addCommand(cfBack);        cntForm.addCommand(cfSave);        cntForm.setCommandListener(mujMail);        return cntForm;    }    //if its called from mailForm and a mail address is given, then the string MailFormAddress is the email address    //so after saving the email address, we can return display focus to MailForm; otherwise string MailFormAddress is null    public void showCntForm(String MailFormAddress) {        cntForm = createCntForm();        nextDisplay = mujMail.getDisplay().getCurrent();        mujMail.getDisplay().setCurrent(cntForm);        if (MailFormAddress != null) { //was is call by MailForm?            ((TextField) cntForm.get(0)).setString(MailFormAddress);        }    }    //creates a Hashtable for faster searching using the first letter of each name as index     //something like the indexes in the real life phonebook    private void initHash() {        nameHash.clear();        if (getAddresses().isEmpty()) {            return;        }        char firstLetter = ((Contact) getAddresses().firstElement()).name.charAt(0);        firstLetter = Character.toLowerCase(firstLetter);        nameHash.put(new Character(firstLetter), new Integer(0));        int size = getAddresses().size();        char cntNameFL; //first letter of a contact's name        for (int i = 1; i < size; i++) {            cntNameFL = ((Contact) getAddresses().elementAt(i)).name.charAt(0);            cntNameFL = Character.toLowerCase(cntNameFL);            if (firstLetter != cntNameFL) {                firstLetter = cntNameFL;                nameHash.put(new Character(firstLetter), new Integer(i));            }        }    }    //returns index of the most matched contact    public int search(String name) {        if (name == null || name.length() == 0) {            return -1;        }        name.toLowerCase();        Integer i = (Integer) nameHash.get(new Character(name.charAt(0))); //get the closest index        if (i == null) //if its first letter was never indexed        {            return -1;        }        int size = getAddresses().size(), index = i.intValue();        String contactName = null;        //lets find its correct position (index)        while (index < size) {            contactName = ((Contact) getAddresses().elementAt(index)).name.toLowerCase();            if (contactName.charAt(0) != name.charAt(0)) //has different first letter            {                return -1;            } //not found            if (contactName.compareTo(name) < 0) //name should be after the contactName            {                index++;            } else {                break;            } //found or name lies before contactName        }        if (contactName.startsWith(name)) //now check if it really matches        {            return index;        } else {            return -1;        }    }        //views a contact info    public void view(int index) {        if (0 <= index && index < getAddresses().size()) {            viewForm = new Form(Lang.get(Lang.AD_CONTACT_INFO));            Contact contact = (Contact) getAddresses().elementAt(index);            viewForm.append(new StringItem(Lang.get(Lang.AD_NAME), contact.name));            viewForm.append(new StringItem(Lang.get(Lang.AD_EMAIL),contact.getEmail()));            viewForm.append(new StringItem(Lang.get(Lang.AD_NOTES), contact.notes));            viewForm.addCommand(vBack);            viewForm.setCommandListener(mujMail);            mujMail.getDisplay().setCurrent(viewForm);        }    }    //sends a selected contact a mail    public void sendMail(int index) {        if (0 <= index && index < getAddresses().size()) {            Contact contact = (Contact) getAddresses().elementAt(index);            mujMail.sendMail.to.setString("\"" + contact.name + "\" <" + contact.getEmail() + ">");            mujMail.getDisplay().setCurrent(mujMail.sendMail);        }    }    //is called when a Form wants to add emails from the addressbook    public void addEmails(Form form) {        nextDisplay = form;        mode = MODE_SENDMAIL_BROWSE;        addCommand(mark);        addCommand(done);        addCommand(flipRcps);        mujMail.getDisplay().setCurrent(this);    }    //is called when the user confirms adding emails and wants to paste all those emails addresses to a form;    public void pasteEmails() {        StringBuffer emailBf = new StringBuffer();        Contact contact;        //probably old - and doesn't work        TextField tfield = mujMail.sendMail.getSelectedItem() == null? mujMail.sendMail.to: mujMail.sendMail.getSelectedItem();        //newer        switch(recipientChoice) {            case 0:                tfield = mujMail.sendMail.to;                break;            case 1:                tfield = mujMail.sendMail.cc;                break;            case 2:                tfield = mujMail.sendMail.bcc;                break;        }        for (Enumeration e = marked.elements(); e.hasMoreElements(); ) {            contact = (Contact) e.nextElement();            if (tfield.getString().indexOf(contact.getEmail()) == -1) {                emailBf.append("\"" + contact.name + "\" <" + contact.getEmail() + ">, ");            }        }                //         if ((tfield == mujMail.sendMail.cc || tfield == mujMail.sendMail.bcc) && emailBf.length() > 0 )            mujMail.sendMail.addBc();        if (tfield != mujMail.sendMail.body) {            tfield.setString(emailBf.toString() + tfield.getString());        } else {            //tfield.setString(tfield.getString() + emailBf.toString());            tfield.insert(emailBf.toString(), tfield.getCaretPosition());        }        back();    }    //is called when we want to flip recipients if inserting    public void flipRecipients() {        recipientChoice++;        if (recipientChoice > 2)             recipientChoice = 0;        switch(recipientChoice) {            case 0:                recipientChoiceStr = "To:";                break;            case 1:                recipientChoiceStr = "Cc:";                break;            case 2:                recipientChoiceStr = "Bcc:";                break;        }                    //System.out.println("flipRecipients " + recipientChoice);    }            //is called when the user un/mark a contact in the addressbook    public void markEmail(int index) {        if (index < getAddresses().size()) {            Contact contact = (Contact) getAddresses().elementAt(index);            if (!marked.containsKey(contact.email)) {                marked.put(contact.getEmail(), contact);            } else {                marked.remove(contact.getEmail());            }            repaint();        }    }    public String getContactName(String email) {        if (email == null) {            return null;        }        if (!emailHash.containsKey(email)) {            return null;        }        return ((Contact) getEmailHash().get(email)).name;    }        //#ifdef MUJMAIL_TOUCH_SCR    private class PointerEventListener extends MujMailPointerEventListener.MujMailPointerEventListenerAdapter {    //#else//#     private class PointerEventListener  {    //#endif                  public void left() {            textCur = (byte) ((textCur - 1 + input.length() + 1) % (input.length() + 1));            cancelTimers();            repaint();         }        public void right() {            textCur = (byte) ((textCur + 1) % (input.length() + 1));            cancelTimers();            repaint();        }        public void up() {            setSelectedIndex(-1);            repaint();        }        public void down() {            setSelectedIndex(1);            repaint();        }        public void fire() {            if (mode != MODE_SENDMAIL_BROWSE) {                sendMail(cur);            } else {                markEmail(cur);            }            repaint();        }        public void slash() {            shift = !shift;        }        public void star() {            input.deleteCharAt(textCur - 1);            textCur--;            inputChanged = true;        }            }}