BlackBerry 5,6,7 Chat sample: Send message

gistfile1.java

    // Method sends and gets messages
    public void run() {
        try {
            if (chat_manager.currentConversation.isMulti) {
                vman.add(new SeparatorField());
                GroupChat chat =
                        (GroupChat)Datas.multichat.get(chat_manager.currentConversation.name);
                vman.add(new LabelField("Room Members:"));
                if (chat != null) {
                    for (int j = 0; j < chat.jids.size(); j++) {
                        String temp = (String)chat.jids.elementAt(j);
                        if
                                (temp.equals(chat_manager.currentConversation.name)) {
                            continue;
                        } else {
                            temp = chat_manager.getNickByJid(temp);
                            if (temp.indexOf('@') != -1) {
                                participants_man.add(new
                                        MessageLabelField(Jid.getNickUser(temp.substring(0, temp.indexOf('@'))), 0x696969));
                            } else {
                                participants_man.add(new
                                        MessageLabelField(Jid.getNickUser(temp), 0x696969));
                            }
                        }
                    }
                }
                vman.add(participants_man);
                vman.add(new SeparatorField());
                inv = new ButtonField("Invite a contact");
                inv.setChangeListener(me);
                vman.add(inv);
            }
            Vector msgs = chat_manager.currentConversation.messages;
            Message msg;
            if (msgs != null && printMessages == true) {
                if (msgs.size() > 0) {
                    int maxText = msgs.size(); //all texts
                    int lin = 0; //links count
                    for (int i = 0; i < maxText; i++) {
                        msg = (Message)msgs.elementAt(i);
                        int j,
                                p = -1;
                        String m;
                        if (chat_manager.currentConversation.isMulti) {
                            m = msg.getTextNick();
                        } else {
                            m = msg.getText();
                        }
                        String name = m.substring(0, m.indexOf(">"));
                        if (name.length() > 0) {
                            int color = CHAT_COLOR_CONTACT;
                            if (name.equals(Datas.jid.getUsername()) ==
                                    true) {
                                color = CHAT_COLOR_MY;
                                name = "Me:";
                            } else {
                                System.out.println(name);
                                int firstLine = name.indexOf("-");
                                if (firstLine != -1) {
                                    int secLine = name.indexOf('-',
                                            firstLine + 1);
                                    if (secLine != -1) {
                                        name =
                                                name.substring(secLine + 1) + ":";
                                    }
                                }
                                if (name.length() == 0) {
                                    name = m.substring(0,
                                            m.indexOf(">"));
                                }
                            }
                            ContactLabelField txtName = new
                                    ContactLabelField(name, msg.getStamp(), color, font);
                            messages_man.add(txtName);
                            m = m.substring(m.indexOf(">") + 1,
                                    m.length());
                            String next = Util.processSmilesForDevice(m);
                            p = m.indexOf(SYM);
                            if (p != -1) {
                                FlowFieldManager fm = new
                                        FlowFieldManager();
                                int xOff = 0;
                                while (p >= 0) {
                                    String part = next.substring(0,
                                            p);
                                    fm.add(new MessageLabelField(part,
                                            CHAT_COLOR_TEXT));
                                    BitmapField smile = new
                                            BitmapField(Contents.displayBitmap(next.substring(p, p + 3)));
                                    smile.setPadding(0, 2, 0, 0);
                                    fm.add(smile);
                                    next = next.substring(p + 3,
                                            next.length());
                                    p = next.indexOf(SYM);
                                }
                                if (next.length() > 0) {
                                    fm.add(new MessageLabelField(next,
                                            CHAT_COLOR_TEXT));
                                }
                                messages_man.add(fm);
                            }
                            else if ((j = m.indexOf("+url+")) != -1) {
                                //check links
                                vman.add(txtName);
                                String name_link = "link";
                                if (lin == 0) {
                                    lin++;
                                } else {
                                    name_link += lin;
                                    lin++;
                                }
                                int k = m.indexOf("-url-");
                                messages_man.add(new
                                        MessageLabelField(m.substring(0, j), CHAT_COLOR_TEXT));
                                j = j + 5;
                                String link = new String(m.substring(j,
                                        k));
                                chat_manager.infopool.put(name_link,
                                        link);
                                messages_man.add(new
                                        MessageLabelField(link));
                                k = k + 5;
                                messages_man.add(new
                                        MessageLabelField(m.substring(k, m.length()), CHAT_COLOR_TEXT));
                            } else if (j == -1 && p == -1) {
                                MessageLabelField message = new
                                        MessageLabelField(m, CHAT_COLOR_TEXT);
                                messages_man.add(message);
                            }
                        }
                    }
                }
            }
            vman.add(messages_man);
            if (vman.getFieldCount() > 0) {
                int scroll = vman.getVirtualHeight() - vman.getVisibleHeight();
                if (scroll > 0) {17
                    vman.setVerticalScroll(scroll);
                }
            }
        } catch (Exception ex) {
            DebugStorage.getInstance().Log(0, "<ConversationScreen> updateScreen ",
                    ex);
            Datas.multichat.clear();
            Datas.conversations.removeAllElements();
            Datas.conversations.trimToSize();
            Datas.server_services.removeAllElements();
            Datas.conversations.trimToSize();
            Datas.readRoster = false;
            chat_manager.cm.terminateStream();
            chat_manager.onlineScreen = null;
            chat_manager.waitScreen = null;
            chat_manager.multichatScreen = null;
            chat_manager.conversationScreen = null;
            chat_manager.internal_state = chat_manager.OFFLINE;
            chat_manager.getGuiOfflineMenu();
            me.close();
        }
    });