COMPUTER PROGRAMMING AND LOGICS: Servlet Program 3 :request.getContentLength() ,request.getParameter()

/** Program : To do Calculation and printing the length of body text /** request.getContentLength() ,request.getParameter()
<!DOCTYPE html>
<html>
    <head>
        <title> My Family Details</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <div> House Of Peace</div>
        <br>
        <form method="post" action="personalSer">
<br>
<a href="newhtml1.html"> click Here to Skip this page </a>
<br>
The Place You Lived in <input type="text" name="fname"/>
<br>
Enter Your Father salary <input type="text" name="fsalary" />
<br>
Enter Your Mother salary <input type="text" name="msalary" />
<br>
<input type="submit" value="submit"/>

</form>
    </body>
</html>
------------------------------------------------------------------------------------------------------
newhtml1.html

<!DOCTYPE html>

<html>
    <head>
        <title>welcome</title>
        <meta charset="UTF-8">
        <meta name="viewport" content="width=device-width, initial-scale=1.0">
    </head>
    <body>
        <div> WELCOME DEAR STUDENTS </div>
        <a href="NewServlet"> Press to load another page (servlet.java file ) </a>

    </body>
</html>
------------------------------------------------------------------------------------------------------NewServlet.java
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
*
* Author : N. Jayachandra
*/
public class NewServlet extends HttpServlet {


    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {
            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title>MY FAMILY</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("HAPPY TO SEE YOU GUYS");
            out.println("<br>");
            //out.println("<h1>Servlet NewServlet at " + request.getContextPath() + "</h1>");
            out.println("</body>");

            out.println("</html>");

        }
    }


    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }


    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }


    @Override
    public String getServletInfo() {
        return "newservelt work";
    }

}
------------------------------------------------------------------------------------------------------
personalServlet.java

import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
*
* @N. Jayachandra
*/
public class personalServelet extends HttpServlet {

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        try (PrintWriter out = response.getWriter()) {

            out.println("<!DOCTYPE html>");
            out.println("<html>");
            out.println("<head>");
            out.println("<title> personaldetails</title>");
            out.println("</head>");
            out.println("<body>");
            out.println("Details of My Family");
             out.println("<br>");
            out.println("________________________________________________________");
            out.println("<br>");
            String famname=request.getParameter("fname");
            int fsalary=Integer.parseInt( request.getParameter("fsalary"));
            int msalary=Integer.parseInt( request.getParameter("msalary"));
            int total=fsalary+msalary;
            out.println("<h2> Residential Place : "+famname+"</h2>");
            out.println("<h2> Monthly Income is Rs. "+total+"</h2>");
             out.println("<h3> Body text length "+ request.getContentLength() + "</h3>");
            out.println("</body>");
            out.println("</html>");
        }
    }


    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }


    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }


    @Override
    public String getServletInfo() {
        return "To print bodylengh command";
    }

}
------------------------------------------------------------------------------------------------------

COMPUTER PROGRAMMING AND LOGICS

Saturday, 21 July 2018

Servlet Program 3 :request.getContentLength() ,request.getParameter()

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