Class BrowseServlet

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

All Implemented Interfaces:

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

public class BrowseServlet

extends javax.servlet.http.HttpServlet

This class is used to implement the browsing in the online auction database. Browsing is used for both placing auction and bidding on a current auction. This is also used by System Administrator to add and delete categories by browsing.

1. Depending upon the parameters passed to servlet, finally control is passed to classes responsible for placing auction or bidding.
   1. If whereFrom parameter passed to servlet is sell control is passed to PlaceAuctionServlet.
   2. If whereFrom is browse control is passed to BidServlet.
   3. If whereFrom is sysad control is passed to servlets that implement sysad functions.
2. In case sysad is browsing the control is finally passed to servlets AddCategoryServlet for adding new categories or

See Also:

Serialized Form

Constructor Summary

BrowseServlet()

Method Summary

void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) doGet - performs the function as mentioned in the class summary.
void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) This is empty.
void	init()

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

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

Methods inherited from class java.lang.Object

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

Constructor Detail

BrowseServlet

public BrowseServlet()

Method Detail

init

public void init()

Overrides:

init in class javax.servlet.GenericServlet

doGet

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

doGet - performs the function as mentioned in the class summary. Some assumptions are:

1. whereFrom holds "browse" or "sell". If "null" I assume its browse.
2. This is the parent name whose, all childs will be displayed now. If null I assume its at the top of hierarchy i.e. it is the "Product"

Overrides:

doGet in class javax.servlet.http.HttpServlet

Parameters:

HttpServletRequest - request

HttpServletResponse - response

doPost

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

This is empty.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Parameters:

HttpServletRequest - request

HttpServletResponse - response