Retrieve occassion which is stored in RMS

[sharmila raman]

How do i retrieve occassion which is stored in record store please provide me with some sample code which can be attached with the program which inturn will retrieve the data . Thanls a lot in advance .

  
package ora.ch6;
 
import javax.microedition.midlet.*;
import javax.microedition.rms.InvalidRecordIDException;
import javax.microedition.rms.RecordEnumeration;
import javax.microedition.rms.RecordStore;
import javax.microedition.rms.RecordStoreException;
import javax.microedition.rms.RecordStoreFullException;
import javax.microedition.rms.RecordStoreNotOpenException;
import javax.microedition.lcdui.*;
 
public class Artiradio extends MIDlet 
             implements ItemStateListener, CommandListener
{
  private Display display;
  private Form form,form1,DisplayForm; 
  private Command exit,Save,view,addLoginInfo; 
  private TextField mTextField;
  private Item selection; 
  private ChoiceGroup radioButtons; 
  private int defaultIndex; 
  private int radioButtonsIndex; 
  
  private static final String REC_STORE_NAME = "rec";
  private RecordStore recStore = null; 
 // private int curindex;
  private int Radiobutton;
  private String occassion,rec2,appname;
  public Artiradio()
  {
    display = Display.getDisplay(this); 
    radioButtons = new ChoiceGroup(
                         "Select Occassion", 
                          Choice.EXCLUSIVE); 
    radioButtons.append("Happy Birthday .", null);
    radioButtons.append("Happy wedding aniversary .", null);
    radioButtons.append("Happy Friendship day .", null);    
    radioButtons.append("May this day be special .", null);   
   // defaultIndex = radioButtons.append("All", null); 
    radioButtons.setSelectedIndex(defaultIndex, true);
    exit = new Command("Exit", Command.EXIT, 1);
    Save= new Command("Save", Command.SCREEN, 2);
    view= new Command("view", Command.SCREEN, 2);
    form = new Form("");
    radioButtonsIndex = form.append(radioButtons);
    form.addCommand(exit);
    form.addCommand(Save);
  //  form.addCommand(view);
    form.setCommandListener(this);   
    form.setItemStateListener(this);
    form1= new Form("Data Saved");
    StringItem msg1 = new StringItem("","Data added successfully");
    form1.append(msg1);
    exit=new Command("exit",Command.EXIT,2);
    form1.addCommand(exit);
    form1.setCommandListener(this);
    view=new Command("view",Command.SCREEN,2);
    form1.addCommand(view);
    form1.setCommandListener(this);
    
    
  }   
  public void startApp()
  {
     display.setCurrent(form);
  }
  public void pauseApp()
  {
  }
  public void destroyApp(boolean unconditional)
  {
  }
  public void commandAction(Command command, 
                            Displayable displayable)
  {
    if (command == exit)
    {
       destroyApp(true);
       notifyDestroyed();
    } 
   if (command == Save)
    {
  
    
     String stiMessage = new String(    
             radioButtons.getString(radioButtons.getSelectedIndex()));
     //writeRecord(stiMessage .getBytes());
  System.out.println("msg:"+radioButtons.getString(radioButtons.getSelectedIndex()));
 
   //form.append(stiMessage);
   String msg=radioButtons.getString(radioButtons.getSelectedIndex());
   //System.out.println("msg length"+msg.length());
  String Occ=new String("");
   for(int j=0;j<msg.length();j++){
   
  occassion+= msg.charAt(j);  
 // readRecordsUpdate();
   //System.out.println("Occassion"+Occassion);
      //appTime =String.valueOf(Date1.getDate());
         
      //writeRecord(appTime);
      //System.out.println("app1"+appTime);
      display.setCurrent(form1);
   }
    }
   if(command==addLoginInfo){
 
  writeRecord(mTextField.getString());
 
  
  //appTime =String.valueOf(Date1.getDate());
     
  //writeRecord(appTime);
  display.setCurrent(form1);
      
        
 }
   if (command==view){
  
       // appname=data1.getString();
     //  }
  
 DisplayForm = new Form("View");
      //delete=new Command("delete",Command.OK,1);
      //DisplayForm.addCommand(delete);
      //cview=new Command("DELETE",Command.OK,1);
      //DisplayForm.addCommand(cview);
 DisplayForm.addCommand(view);
     DisplayForm.addCommand(exit);
     DisplayForm.setCommandListener(this);
     DisplayForm.append(radioButtons);
      DisplayForm.setCommandListener(this);
      DisplayForm.setItemStateListener(this);
     display.setCurrent(DisplayForm);
  // display.setCurrent(DisplayForm);
   
   
   
   }
    }
  
  public void openRecordStore(){
  try { 
   recStore = RecordStore.openRecordStore(REC_STORE_NAME, true ); 
  } 
  catch (Exception e) { 
   System.err.println(e.toString()); 
  } 
  }
 public void closeRecordStore() { 
  try { 
   recStore.closeRecordStore(); 
  } 
  catch (Exception e) { 
   System.err.println(e.toString()); 
   } 
  } 
 public void itemStateChanged(Item item)
  {
 try {
 if(item == radioButtons){
 String msg = new String(    
             radioButtons.getString(radioButtons.getSelectedIndex()));
 form.append(msg); 
 
 
// recStore = RecordStore.openRecordStore( rec,
          //       true );
 
byte[] data1 = msg.getBytes();
 
   
  
    
 
 
   
//String str;
mTextField = new TextField(null, msg, 20, TextField.ANY);
recStore.addRecord( data1, 0, data1.length );

form1.append(mTextField);
 

/*for (int i = 1; i <= recStore.getNumRecords(); i=i+3) {
    entry = new byte[recStore.getRecordSize(i)]; 
    entry = recStore.getRecord(i);
     Name= new String(entry);
     System.out.println("namelength"+Name.length());
     System.out.println("delname"+Name);
    String name=new String("");
     for(int j=0;j<Name.length()-13;j++){
     System.out.println("for block");
     name += Name.charAt(j);  */
/*
 * byte b2[]=recStore.getRecord(i+1);
        str=new String(b2,0,b2.length);
        System.out.println("Occassion:"+str);
 */
//writeRecord();
System.out.println("saved"); 
 }
 }
 //String getmsg(String item) 
     
     // return(data1);
   
 
 
 catch (RecordStoreNotOpenException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RecordStoreFullException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RecordStoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
 System.out.println("message saved");
}
 
 
 
    // display.setCurrent("message saved");
 }      
           
    
   /*if (item == radioButtons)
   { 
      StringItem msg = new StringItem("Occassion is ",    
             radioButtons.getString(radioButtons.getSelectedIndex()));
     // form.append(msg);   */
   
 
 
 
      public void writeRecord(String item) { 
      //System.out.println("Occassion"+getSelectedIndex());
       String str;
      
       try {
for (int i = 1; i <= recStore.getNumRecords(); i=i+1)
   {
   byte b1[];
try {
b1 = recStore.getRecord(i);
} catch (RecordStoreNotOpenException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (InvalidRecordIDException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (RecordStoreException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
   
 
} 
       }
catch (RecordStoreNotOpenException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
      
      }
 
 
      
 private void Displaynames()
     { //list = new List("Test Components", Choice.IMPLICIT);
// System.out.println("Name of the record store is " + recStore.getmsg());
     
     // radioButtons=new ChoiceGroup("occassion",ChoiceGroup.EXCLUSIVE);
    //  radioButtons.setItemCommandListener((ItemCommandListener) this);
      //form.append(occassion);
     //  try { 
        //byte[] rec1;
       // int length; 
      // String msg;
        //StringBuffer msg1 =new StringBuffer();
        //String recString;
        //String Date;
         // recString="invalid";
         // msg=radioButtons.getLabel();
        
        //for (int i = 1; i <= recStore.getNumRecords(); i=i+1) 
        //{
        
         // String at;
          //String oc;
         // String str;
         // String str1;
       // oc=new String("");
        //at=new String("");
       /* try {
        
        byte[] str;
         for (int i = 1; i <= recStore.getNumRecords(); i=i+1) {
          str = new byte[recStore.getRecordSize(i)]; 
          str = recStore.getRecord(i);
           msg1= new String(str);
           //System.out.println("namelength"+Name.length());
           System.out.println("delname"+str);
          String name=new String("");
           for(int j=0;j<Occ.length()-13;j++){
           System.out.println("for block");
           str += Name.charAt(j); */
          
           
       
      
 
}
}