Need help in solving errors..urgent

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April 21st, 2004, 11:34 PM

Joey2

Registered User

Join Date: Apr 2004

Posts: 2

Time spent in forums: < 1 sec
Reputation Power: 0

Need help in solving errors..urgent

Hi,
i need help in solving this J2ME login program of my. I have 8 errors saying "Cannot resolve symbol" Can someone please help me? Thanks..it's urgent..

import javax.microedition.midlet.*;

import javax.microedition.lcdui.*;

import javax.microedition.io.Connector;

import javax.microedition.io.HttpConnection;

import javax.microedition.io.StreamConnection;

import java.io.DataInputStream;

import java.io.DataOutputStream;

import java.io.InputStream;

import java.io.IOException;

import java.io.OutputStream;

publicclass LoginForm extends javax.microedition.midlet.MIDlet implements CommandListener

{

Display display;

boolean commandAvailable;

String idPassword;

CommandThread commandThread;

Form inputForm;

Form outputForm;

TextField userid;

TextField password;

Form counterForm;

StringItem response;

Command cmdExit;

Command cmdOK;

publicvoid startApp()

{

display = Display.getDisplay(this);

inputForm = new Form(null);

userid = new TextField("User",null,25,TextField.ANY);

inputForm.append(userid);

password = new TextField("Password",null,15,TextField.PASSWORD);

inputForm.append(password);

cmdOK = new Command("OK",Command.SCREEN,1);

cmdExit = new Command("Exit",Command.EXIT,1);

inputForm.addCommand(cmdOK);

inputForm.addCommand(cmdExit);

inputForm.setCommandListener(this);

outputForm = new Form(null);

response = new StringItem(null,null);

outputForm.append(response);

outputForm.addCommand(cmdExit);

outputForm.setCommandListener(this);

commandAvailable = false;

commandThread = new CommandThread(this);

commandThread.start();

display.setCurrent(inputForm);

}

publicvoid pauseApp()

{

}

publicvoid destroyApp(boolean unconditional)

{

}

publicvoid commandAction(Command cmd, Displayable d)

{

if (cmd == cmdExit)

{

destroyApp(false);

notifyDestroyed();

}

elseif (cmd == cmdOK)

synchronized(this)

{

commandAvailable = true;

notify();

}

}

}

class CommandThread extends Thread

{

MIDlet parent;

boolean exit = false;

public CommandThread(MIDlet parent)

{

this.parent = parent;

}

publicvoid run()

{

while (true)

{

synchronized(parent)

{

while(!commandAvailable)

{

try

{

parent.wait();

}

catch (InterruptedException e)

{

}

}

commandAvailable = false;

}

performLogin();

}

}

publicvoid performLogin()

{

HttpConnection conn = null;

InputStream is = null;

OutputStream os = null;

byte[] receivedData = null;

try

{

String url = "http://172.17.171.133/XYZ_Technologies?user=shaun&password=bogekko";

conn = (HttpConnection)Connector.open(url);

conn.setRequestMethod(HttpConnection.POST);

conn.setRequestProperty("User-Agent","Profile/MIDP-2.0 Configuration/CLDC-1.0");

conn.setRequestProperty("Content-type","application/x-www-form-urlencoded");

byte[] postData = createPostData();

os = conn.openOutputStream();

os.write(postData);

is = conn.openInputStream();

String contentType = conn.getType();

int len = (int) conn.getLength();

if (len > 0)

{

receivedData = newbyte[len];

int nb = is.read(receivedData);

}

else

{

receivedData = newbyte[1024];

int ch;

len = 0;

while ((ch = is.read()) != -1)

{

receivedData[len++] = (byte) ch;

}

}

response.setText(new String(receivedData,0,len));

display.setCurrent(outputForm);

}

catch (IOException e)

{

System.out.println(e.getMessage());

e.printStackTrace();

}

finally

{

try

{

if (is !=null)

{

is.close();

}

if (os !=null)

{

os.close();

}

if (conn !=null)

{

conn.close();

}

}

catch (IOException e)

{

}

}

}

publicbyte[] createPostData()

{

StringBuffer sb = new StringBuffer();

sb.append("userid=");

sb.append(userid.getString());

sb.append("&password=");

sb.append(password.getString());

System.out.println("sb = <" + sb.toString() + ">");

}

}

April 22nd, 2004, 07:15 AM

dhouston

Contributing User

Dev Articles Beginner (1000 - 1499 posts)

Join Date: May 2003

Location: Tennessee

Posts: 1,355

Time spent in forums: < 1 sec
Reputation Power: 7

What, no line numbers in the error messages and no markers in the code pointing to line numbers? Can't do much with this, I'm afraid.

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