Class UserHandler

java.lang.Object
  |
  +--javax.servlet.GenericServlet
        |
        +--javax.servlet.http.HttpServlet
              |
              +--SuperServlet
                    |
                    +--UserHandler

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class UserHandler

extends SuperServlet

This class implements a servlet for adding a new user in the forum. It uses tables in database: 'db_03_peta_la' at 'atlas.dsv.su.se'.

Version:

$Revision: 1.0.1, 2003-11-10 $

Author:

Peter Larsson

See Also:

Serialized Form

Constructor Summary

UserHandler()

Method Summary

boolean	addNewUser(java.io.PrintWriter pw, User user) Adds a new User the DB.
void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) The Get method is run when the Client requests the htmlFile.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) The Post method is run when a new user is to be added to the DB.
void	init() The init-method which is run when servlet is run for the first time.
void	showForm(javax.servlet.http.HttpServletRequest req, java.io.PrintWriter pw, java.lang.String op) Shows the form for a new User.
void	showUserInfo(javax.servlet.http.HttpServletRequest req, java.io.PrintWriter pw, java.lang.String uname) Shows the User Info.

Methods inherited from class SuperServlet

destroy

Methods inherited from class javax.servlet.http.HttpServlet

service

Methods inherited from class javax.servlet.GenericServlet

getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

UserHandler

public UserHandler()

Method Detail

init

public void init()
          throws javax.servlet.ServletException

The init-method which is run when servlet is run for the first time.

Overrides:

init in class SuperServlet

Throws:

javax.servlet.ServletException - The standard ServletException

doGet

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

The Get method is run when the Client requests the htmlFile.

Parameters:

request - The Request

response - The Response

Throws:

java.io.IOException - The standard IOException

javax.servlet.ServletException - The standard ServletException

doPost

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

The Post method is run when a new user is to be added to the DB.

Parameters:

request - The Request

response - The Response

Throws:

java.io.IOException - The standard IOException

javax.servlet.ServletException - The standard ServletException

showForm

public void showForm(javax.servlet.http.HttpServletRequest req,
                     java.io.PrintWriter pw,
                     java.lang.String op)

Shows the form for a new User.

Parameters:

req - The Request

pw - The PrintWriter

op - The Operation

showUserInfo

public void showUserInfo(javax.servlet.http.HttpServletRequest req,
                         java.io.PrintWriter pw,
                         java.lang.String uname)

Shows the User Info.

Parameters:

req - The Request

pw - The PrintWriter

uname - The User Name

addNewUser

public boolean addNewUser(java.io.PrintWriter pw,
                          User user)

Adds a new User the DB.

Parameters:

pw - The PrintWriter

user - The User

Returns:

Returns true if successful insertion of new user, otherwise return false