public
long getContentLengthLong()
Returns
the length of the content body in bytes. If length is not known then
it returns -1.
<!DOCTYPE html> <html> <head> <title>User Registration</title> </head> <body> <noscript>Java Script functionality disabled, Please enable it</noscript> <form action="/servlet/Register" method="post"> <table id="registrationTable"> <caption>Please fill the details to Register</caption> <tr> <td>Mail Id:<span class="required1"><sup>*</sup></span></td> <td><input type="text" name="mailID" id="mailID" required="required" /></td> </tr> <tr> <td>Password:<span class="required1"><sup>*</sup></span></td> <td><input type="password" name="passwd" id="passwd" required="required" /></td> </tr> <tr> <td>Confirm Password<span class="required1"><sup>*</sup></span></td> <td><input type="password" name="confPasswd" id="confPasswd" required="required" /></td> </tr> <tr> <td><input type="submit" value="Register" id="register" /></td> <td><input type="reset" value="Clear Data" /></td> </tr> </table> </form> </body> </html>
import java.io.IOException; import java.io.PrintWriter; import javax.servlet.annotation.WebServlet; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; @WebServlet(urlPatterns = {"/Register"}) public class Register extends HttpServlet { @Override public void doPost(HttpServletRequest req, HttpServletResponse res)throws IOException{ long contentLength = req.getContentLengthLong(); try(PrintWriter out = res.getWriter()){ out.println("<html><head><title>Get Encoding format</title><body><h1>"); out.println("Length of content is " + contentLength + " bytes"); out.println("</h1></body></html>"); } } }
Sample
Output
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