java code for Bean Parser Servlet

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.*;
import javax.servlet.http.*;

public class BeanParserServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, java.io.IOException {

//set the MIME type of the response, "text/html"
response.setContentType("text/html");

//use a PrintWriter send text data to the client who has requested the servlet
java.io.PrintWriter out = response.getWriter();

//Begin assembling the HTML content
out.println("");

out.println("");
out.println("

Please submit a valid stock symbol

");

//make sure method="post" so that the servlet service method
//calls doPost in the response to this form submit
out.println(
"

"/stockbean\" >");

out.println("");
out.println("

"); out.println("Stock symbol:	"); out.println(""); out.println("
"); out.println("

");
out.println("");

} //end doGet

public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException,java.io.IOException{


String symbol;//this will hold the stock symbol
float price = 0f;

symbol = request.getParameter("symbol");

boolean isValid = (symbol == null || symbol.length() < 1) ? false : true;

//set the MIME type of the response, "text/html"
response.setContentType("text/html");

//use a PrintWriter send text data to the client who has requested the servlet
java.io.PrintWriter out = response.getWriter();

//Begin assembling the HTML content
out.println("");
out.println("");

if (! isValid){
out.println("

Sorry, the stock symbol parameter was either empty or null

");
} else {

out.println("

Here is the latest value of "+ symbol +"

");


StockPriceBean spbean = new StockPriceBean();
spbean.setSymbol(symbol);
price = spbean.getLatestPrice();


out.println( (price == 0 ? "The symbol is probably invalid." : ""+price) );

}


out.println("");

out.close();

}// doPost

}//HttpServlet