hi,
herez the entire code for the problem desc above.... i also have a proxy server running here for which i have made the appropriate changes in wtk proxy server settings....
would be nice if somebody could help me with it...
- Ajay
import javax.microedition.midlet.*;
import javax.microedition.lcdui.*;
import javax.microedition.io.*;
import java.io.*;
public class HTTPMIDlet extends MIDlet implements CommandListener {
private static
String defaultURL =
"http://www.comp.polyu.edu.hk/~csstlee/hello.txt";
// GUI component for user to enter web url
private Display myDisplay = null;
private Form mainScreen;
private TextField requestField;
// GUI component for displaying web page content
private Form resultScreen;
private StringItem resultField;
// the "send" button used on mainScreen
Command sendCommand = new Command("SEND", Command.OK, 1);
// the "back" button used on resultScreen
Command backCommand = new Command("BACK", Command.OK, 1);
public HTTPMIDlet(){
// initializing the GUI components for entering web urls
myDisplay = Display.getDisplay(this);
mainScreen = new Form("Type in a URL:");
requestField =
new TextField(null, defaultURL,
100, TextField.URL);
mainScreen.append(requestField);
mainScreen.addCommand(sendCommand);
mainScreen.setCommandListener(this);
}
public void startApp() {
myDisplay.setCurrent(mainScreen);
}
public void pauseApp() {
}
public void destroyApp(boolean unconditional) {
}
public void commandAction(Command c, Displayable s) {
// when user clicks on "send" button on mainScreen
if (c == sendCommand) {
// retrieving the web url that user entered
String urlstring = requestField.getString();
System.out.println("hai 1");
// sending a GET request to web server
String resultstring = sendGetRequest(urlstring);
System.out.println("hai 2");
// displaying the page content retrieved from web server
resultScreen = new Form("GET Result:");
resultField =
new StringItem(null, resultstring);
resultScreen.append(resultField);
resultScreen.addCommand(backCommand);
resultScreen.setCommandListener(this);
myDisplay.setCurrent(resultScreen);
} else if (c == backCommand) {
// do it all over again
requestField.setString(defaultURL);
myDisplay.setCurrent(mainScreen);
}
}
// send a GET request to web server
public String sendGetRequest(String urlstring) {
HttpConnection hc = null;
DataInputStream dis = null;
String message = "";
try {
/* openning up http connection with the web server
* when the connection is opened, the default request
* method is GET
*/
System.out.println(urlstring);
hc = (HttpConnection)
Connector.open(urlstring);
hc.setRequestMethod(HttpConnection.GET);
hc.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
hc.setRequestProperty("User-Agent","Profile/MIDP-2.0 Configuration/CLDC-1.0");
hc.setRequestProperty("Content-Language", "en-US");
hc.setRequestProperty("Accept", "application/octet-stream");
hc.setRequestProperty("Connection", "close"); // optional property
int rc = hc.getResponseCode();
if (rc != HttpConnection.HTTP_OK) {
System.out.println("Error. HTTP response code: " + rc);
}
// establishing input stream from the connection
dis = new DataInputStream(hc.openInputStream());
// reading the response from web server character by character
int ch;
while ((ch = dis.read()) != -1) {
message = message + (char) ch;
}
}
catch (InterruptedIOException cnf) {System.out.println("Interrupted IO");}
catch (EOFException cnf) {System.out.println("EOF");}
catch (IOException ioe) {
System.out.println("IO Exception");
ioe.printStackTrace();
message = "ERROR";
} finally {
try { if (hc != null) hc.close();} catch (IOException ignored) {}
try { if (dis != null) dis.close();} catch (IOException ignored) {}
}
return message;
}
}
