/* Hi Iam developing an application where the BB app needs to post data to server. The Http connection works fine on Blackberry emulator, but when i try to test it on a real device the application cannot post data to server. the following is my code:
*/
package com.sims.datahandler;
import java.io.ByteArrayOutputStream;
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import javax.microedition.io.Connector;
import javax.microedition.io.HttpConnection;
import net.rim.device.api.ui.UiApplication;
import net.rim.device.api.ui.component.Dialog;
import com.sims.commonmethods.CommonMethods;
import com.sims.screens.MenuScreen;
/**
*
* @author SaiKrishnaPawar
*
*/
public class GPRSHandler extends Thread {
private String data;
private String url;
private String msgKey;
private String mobileNumber;
public String sendGPRSRequest() {
HttpConnection httpConn = null;
DataOutputStream oStrm = null;
DataInputStream is = null;
byte[] resp = null;
String responseData;
try {
// Creating httpconnection object to handle GPRS request
httpConn = (HttpConnection) Connector.open(url);
httpConn.setRequestMethod(HttpConnection.POST);
httpConn.setRequestProperty("User-Agent", "Profile/MIDP-2.0 Confirguration/CLDC-1.0");
httpConn.setRequestProperty("Accept_Language", "en-US");
httpConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
oStrm = httpConn.openDataOutputStream();
byte dataArray[] = (mobileNumber + "&" + msgKey + data).getBytes();
// byte dataArray[] = (msgKey + data).getBytes();
CommonMethods.getSystemOutput("msg key and data:::"+mobileNumber + msgKey + data);
for (int i = 0; i < dataArray.length; i++) {
oStrm.writeByte(dataArray[i]);
}
DataInputStream din = httpConn.openDataInputStream();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
int ch;
while ((ch = din.read()) != -1) {
baos.write(ch);
}
resp = baos.toByteArray();
responseData = new String(resp);
baos.close();
din.close();
httpConn.close();
return responseData.trim();
} catch (IOException ex) {
CommonMethods.getSystemOutput("IO Exception in run method of gprs handler::" + ex.getMessage());
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
int choice = Dialog.ask(Dialog.D_OK, "No Connectivity");
exitApp(choice);
}
});
} catch (NullPointerException nex) {
CommonMethods.getSystemOutput("NullPointerException:" + nex.getMessage());
} catch (SecurityException e) {
CommonMethods.getSystemOutput("SecurityException:" + e.getMessage());
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
Dialog.ask(Dialog.OK, "Security Exception");
UiApplication.getUiApplication().pushScreen(new MenuScreen());
}
});
} finally {
try {
if (is != null) {
is.close();
}
if (oStrm != null) {
oStrm.close();
}
if (httpConn != null) {
httpConn.close();
}
} catch (Exception ex) {
UiApplication.getUiApplication().invokeLater(new Runnable() {
public void run() {
Dialog.ask(Dialog.OK, "ERROR in While Connecting GPRS Connection");
UiApplication.getUiApplication().pushScreen(new MenuScreen());
}
});
}
}
return null;
}
public void setData(String data) {
this.data = data;
}
public void setMsgKey(String msgKey) {
this.msgKey = msgKey;
}
public void setUrl(String url) {
this.url = url + ";deviceside=false";
}
public void setMobileNumber(String mobileNumber) {
this.mobileNumber = mobileNumber;
}
private void exitApp(int choice) {
System.exit(0);
}
}
instead of this you can write//