Sample Server Application For A Mobile Client

Java Source Code For Sample Server for a Mobile Client

import java.io.BufferedInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ByteArrayInputStream;
import java.io.PrintWriter;
import java.io.IOException;

import java.net.Socket;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.ServletOutputStream;
import org.bouncycastle.crypto.*;


public class Servlet_TestServer extends HttpServlet
{
static final int iBUFFER_SIZE = 2048;
ServletOutputStream sous;

public void doGet(HttpServletRequest req, HttpServletResponse res) throws
ServletException, IOException
{
defaultAction(req, res);
}

public void doPost(HttpServletRequest req, HttpServletResponse res) throws
ServletException, IOException
{
defaultAction(req, res);
}

public void defaultAction(HttpServletRequest req, HttpServletResponse res) throws
ServletException, IOException
{
doServerFunctions(req, res);
}

public void doServerFunctions(HttpServletRequest req,
HttpServletResponse res) throws
ServletException, IOException
{
BufferedInputStream buffinFlexCubeLink = null;
ByteArrayOutputStream byteoutFlexCubeLink = new ByteArrayOutputStream();
boolean bIsValidXml = false;
String sRecievedText = "";

sous = res.getOutputStream(); //To send the response

String sFldUniqueId = "";

System.out.println(req.toString());

try
{
String message = req.getParameter("id");
System.out.println("Inside Servlet_TestServer:Step 1 : " + message);
buffinFlexCubeLink = new BufferedInputStream(req.getInputStream());

int iNoofTotalBytes = 0;

while (true)
{
System.out.println("Inside Servlet_Server:Step 2");
byte[] baInputData = new byte[iBUFFER_SIZE];
int iNoofBytesRead = buffinFlexCubeLink.read(baInputData, 0,iBUFFER_SIZE);

byte[] baRawData = new byte[iNoofBytesRead];

int iCounter = 0;

while (iNoofBytesRead > iCounter)
{
baRawData[iCounter] = baInputData[iCounter];
iCounter++;
}


sRecievedText = new String(baInputData);



iNoofBytesRead = baInputData.length;

System.out.println(new String(baInputData) + "********" +
baInputData.length);

if (iNoofBytesRead > 0)
{
byteoutFlexCubeLink.write(baInputData, 0, iNoofBytesRead);
}
else
{
System.out.println("Empty *****");
}

iNoofTotalBytes = iNoofTotalBytes + iNoofBytesRead;
if (iNoofBytesRead != iBUFFER_SIZE)
{
System.out.println("iNoofBytesRead : " + iNoofBytesRead);
break;
}
}

catch (IOException e)
{
System.out.println(
"Error in opening the OutputStream ");
}


}

}

}
catch (IOException e)
{
}
finally
{
try
{
byteoutFlexCubeLink.close();
// BufferedInputStream is not closed since it closes the Socket
// as well.
buffinFlexCubeLink = null;
}
catch (IOException e)
{
}
}

return;
}

}


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Always ready to help
:)