Mega Code Archive
Deal with cookie with J2ME
<![CDATA[
import java.io.InputStream;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import javax.microedition.lcdui.Command;
import javax.microedition.lcdui.CommandListener;
import javax.microedition.lcdui.Display;
import javax.microedition.lcdui.Displayable;
import javax.microedition.lcdui.Form;
import javax.microedition.lcdui.TextField;
import javax.microedition.midlet.MIDlet;
public class HttpCookieMIDlet extends MIDlet implements CommandListener {
private Command exitCommand= new Command("Exit", Command.EXIT, 1);
private Command sendCommand= new Command("Send", Command.OK, 1);
private Command backCommand = new Command("Upload", Command.OK, 1);
private Display display;
private String URL = "http://localhost/all_http.asp";
private String sessionID;
private Form mainForm;
private TextField URLField = new TextField(null, URL, 250, TextField.URL);
public HttpCookieMIDlet() {
display = Display.getDisplay(this);
}
public void startApp() {
mainForm = new Form("Address");
mainForm.append(URLField);
mainForm.addCommand(sendCommand);
mainForm.addCommand(exitCommand);
mainForm.setCommandListener(this);
display.setCurrent(mainForm);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
if (c == sendCommand)
send(URLField.getString());
else if (c == backCommand) {
URLField.setString(URL);
display.setCurrent(mainForm);
} else {
destroyApp(false);
notifyDestroyed();
}
}
public void send(String url) {
HttpConnection hpc = null;
InputStream is = null;
try {
hpc = (HttpConnection) Connector.open(url);
if (sessionID != null)
hpc.setRequestProperty("cookie", sessionID);
is = hpc.openInputStream();
String cookie = hpc.getHeaderField("Set-cookie");
if (cookie != null) {
int position = cookie.indexOf(';');
sessionID = cookie.substring(0, position);
}
int length = (int) hpc.getLength();
byte[] response = new byte[length];
is.read(response);
String strResponse = new String(response);
URLField.setString(strResponse);
} catch (Exception e) {
System.out.println("xxx :error");
} finally {
try {
if (is != null)
is.close();
if (hpc != null)
hpc.close();
} catch (Exception e) {
}
}
}
}
]]>