phonebook.java

Phone Book with RecordStore

/*
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 * and open the template in the editor.
 */

import java.util.Stack;
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.rms.*;
import javax.microedition.pim.*;
import java.io.*;

/**
 * @author i06003
 */
public class PhoneBook extends MIDlet implements CommandListener,RecordComparator {
    private final int jmlDataContact = 6;
    Stack S = new Stack();
    String cari;
    Display display;
    List ListContact;
    List DetailContact;
    
    Form AddContact;
    Form SearchContact;
    Form EditContact;
    
    Alert alert = new Alert("Delete Confirmation","Are you sure?",null, AlertType.CONFIRMATION);
    Alert addConfirmation = new Alert("New Contact Confirmation", "Add to already existing contact?",null,AlertType.CONFIRMATION);
    RecordStore recStore;
    Command exitCommand = new Command("Exit",Command.EXIT,1);
    Command backCommand = new Command("Back",Command.BACK,1);
    Command newContactCommand = new Command("New Contact",Command.OK, 1);
    Command OkCommand = new Command("Done", Command.OK, 1);
    Command yesCommand = new Command("Yes", Command.OK, 3);
    Command deleteContactCommand = new Command("Delete",Command.OK,4);
    Command noCommand = new Command("No", Command.BACK,2);
    Command detailCommand = new Command("Detail",Command.OK,1);
    Command editCommand = new Command("Edit",Command.OK,2);
    Command searchCommand = new Command("Search",Command.OK,3);
    Command viewAllCommand = new Command("View All", Command.OK,0);
    Command addDetailCommand = new Command("Add Detail", Command.OK,0);
            
    TextField[] addTextField = new TextField[10];
    TextField[] editTextField = new TextField[10];
    TextField searchTextField;
    
    String temp;
    byte[] data = null;
    Ticker ticker = new Ticker("Phone Book");
    
    public PhoneBook() {
        try {RecordStore.deleteRecordStore("Phone Book");} catch(Exception e){}
        ListContact = new List("Record Store", List.IMPLICIT);
        DetailContact = new List("Detail Contact",List.IMPLICIT);
        AddContact = new Form("Add Contact");
        SearchContact = new Form("Search");
        EditContact = new Form("Edit Contact");
        addTextField[0] = new TextField("Name", "", 20, TextField.ANY);
        addTextField[1] = new TextField("Nomer", "", 20, TextField.PHONENUMBER);
        addTextField[2] = new TextField("Email","",30,TextField.EMAILADDR);
        addTextField[3] = new TextField("Address", "", 50, TextField.ANY);
        addTextField[4] = new TextField("Faximile", "", 20, TextField.PHONENUMBER);
        addTextField[5] = new TextField("Pager","",20,TextField.PHONENUMBER);
        editTextField[0] = new TextField("Name", "", 20, TextField.ANY);
        editTextField[1] = new TextField("Nomer", "", 20, TextField.PHONENUMBER);
        editTextField[2] = new TextField("Email","",30,TextField.EMAILADDR);
        editTextField[3] = new TextField("Address", "", 50, TextField.ANY);
        editTextField[4] = new TextField("Faximile", "", 20, TextField.PHONENUMBER);
        editTextField[5] = new TextField("Pager","",20,TextField.PHONENUMBER);
        searchTextField = new TextField("Search", "", 100, TextField.ANY);
        ListContact.setTicker(ticker);
        for(int i=0;i<jmlDataContact;i++) AddContact.append(addTextField[i]);
        SearchContact.append(searchTextField);
        //try {recStore.deleteRecordStore("Phone Book");}catch(Exception e){}
        initList();
        initAdd();
        initAlert();
    }
    
    private void initAdd() {
        AddContact.addCommand(backCommand);
        AddContact.addCommand(OkCommand);
        for(int i=0;i<jmlDataContact;i++) addTextField[i].setString("");
        AddContact.setCommandListener(this);
    }
    
    private void initDetail() {
        DetailContact.addCommand(backCommand);
        DetailContact.addCommand(newContactCommand);
        DetailContact.addCommand(editCommand);
        DetailContact.addCommand(deleteContactCommand);
        DetailContact.addCommand(searchCommand);
        DetailContact.setCommandListener(this);
        DetailContact.deleteAll();
        try {
            recStore = RecordStore.openRecordStore("Phone Book", true);
            byte[] recBytes;
            recBytes = recStore.getRecord(Search(ListContact.getString(ListContact.getSelectedIndex())));
            ByteArrayInputStream in = new ByteArrayInputStream(recBytes);
            DataInputStream dIn = new DataInputStream(in);
            String item = dIn.readUTF();
            DetailContact.append(item, null);
            int panjang = dIn.readInt(),i=0;
            while(i<panjang) {
                item = dIn.readUTF();
                if(!item.equals("")) DetailContact.append(item, null);
                i++;
            }
            dIn.close();
            in.close();
            
            recStore.closeRecordStore();
        } catch(Exception e) {
            System.out.println("Detail gagal");
        }
    }
    
    private void initList() {
        dispRec();
        ListContact.addCommand(viewAllCommand);
        ListContact.addCommand(exitCommand);
        ListContact.addCommand(newContactCommand);
        ListContact.addCommand(detailCommand);
        ListContact.addCommand(editCommand);
        ListContact.addCommand(searchCommand);
        ListContact.addCommand(deleteContactCommand);
        ListContact.setCommandListener(this);
    }
    
    private void initAlert() {
        alert.addCommand(noCommand);
        alert.addCommand(yesCommand);
        alert.setCommandListener(this);
    }
    
    private void initAddAlert() {
        addConfirmation.addCommand(noCommand);
        addConfirmation.addCommand(yesCommand);
        addConfirmation.setCommandListener(this);
    }
    
    private void initEdit() {
        EditContact.deleteAll();
        EditContact.addCommand(backCommand);
        EditContact.addCommand(addDetailCommand);
        EditContact.addCommand(OkCommand);
        EditContact.setCommandListener(this);
        try {
            recStore = RecordStore.openRecordStore("Phone Book", true);
            byte[] recBytes;
            if(display.equals(ListContact)) recBytes = recStore.getRecord(Search(ListContact.getString(ListContact.getSelectedIndex())));
            else recBytes = recStore.getRecord(Search(DetailContact.getString(0)));
            ByteArrayInputStream in = new ByteArrayInputStream(recBytes);
            DataInputStream dIn = new DataInputStream(in);
            String item = dIn.readUTF();
            EditContact.append(editTextField[0]);
            editTextField[0].setString(item);
            temp = item;
            int panjang = dIn.readInt(),i=0;
            while(i<panjang) {
                item = dIn.readUTF();
                if(!item.equals("")) EditContact.append(editTextField[i+1]);
                editTextField[i+1].setString(item);
                i++;
            }
            dIn.close();
            in.close();
            recStore.closeRecordStore();
        }catch(Exception e) {
            System.out.println("Buka edit gagal");
        }
    }
    
    private void initSearch() {
        SearchContact.addCommand(yesCommand);
        SearchContact.addCommand(backCommand);
        searchTextField.setString("");
        SearchContact.setCommandListener(this);
    }
    
    private int Search(String nama) {
        try {
            recStore = RecordStore.openRecordStore("Phone Book", false);
            RecordEnumeration enumerator = recStore.enumerateRecords(null, null, false);
            while (enumerator.hasNextElement()){
                int recId = enumerator.nextRecordId();
                byte[] recBytes = recStore.getRecord(recId);
                ByteArrayInputStream in = new ByteArrayInputStream(recBytes);
                DataInputStream dIn = new DataInputStream(in);
                String item = dIn.readUTF();
                if(item.equals(nama)) {
                    recStore.closeRecordStore();
                    return recId;
                }
                dIn.close();
                in.close();
            }
            recStore.closeRecordStore();
            return 0;
        }catch(Exception e){
            System.out.println("search gagal");
            return 0;
        }
    }
    
    public void startApp() {
        if(display==null) {
            display = Display.getDisplay(this);
            display.setCurrent(ListContact);
        }
    }

    public void pauseApp() {
    }

    public void destroyApp(boolean unconditional) {
    }
    
    public void commandAction(Command c, Displayable d){
        if (c == exitCommand){
            destroyApp(true);
            notifyDestroyed(); // Exit
        }
        if (c == backCommand || c == noCommand) {
            display.setCurrent((Displayable)S.pop());
            if(d == ListContact) dispRec();
        }
        if (c == newContactCommand) {
            S.push(d);
            initAdd();
            display.setCurrent(AddContact);
        }
        if (c == OkCommand || c == yesCommand) {
            if(d == AddContact) {
                if(!addTextField[0].getString().equals("") || !addTextField[1].getString().equals("")) {
                    try {
                        String[] strlist = new String[10];
                        recStore = RecordStore.openRecordStore("Phone Book", true);
                        ByteArrayOutputStream out = new ByteArrayOutputStream();
                        DataOutputStream dOut = new DataOutputStream(out);
                        int jmlDetail = 0,i;
                        for(i=0;i<jmlDataContact;i++) {
                            strlist[i] = addTextField[i].getString();
                            if(i>0) jmlDetail = !strlist[i].equals("")? jmlDetail+1:jmlDetail;
                        }
                        strlist[0] = strlist[0].equals("")? "Unknown" : strlist[0];
                        if(Search(strlist[0])<=0) {
                            dOut.writeUTF(strlist[0]);
                            dOut.writeInt(jmlDetail);
                            i = 1;
                            while(i<jmlDataContact) { // ini diganti
                                if(!strlist[i].equals("")) dOut.writeUTF(strlist[i]);