com.neurosys.ecom.cart.service.wicket

Class ServletCartService<P extends Product,S extends javax.servlet.http.HttpSession,U extends IGenericEcomUser>

java.lang.Object

com.neurosys.ecom.cart.service.AbstractCartService<P,S,javax.servlet.http.HttpServletRequest,U>

com.neurosys.ecom.cart.service.wicket.ServletCartService<P,S,U>

All Implemented Interfaces:

CartService<P,S,javax.servlet.http.HttpServletRequest,U>, ChangeGenerator<Object>

public class ServletCartService<P extends Product,S extends javax.servlet.http.HttpSession,U extends IGenericEcomUser>
extends AbstractCartService<P,S,javax.servlet.http.HttpServletRequest,U>

Servlet implementation for CartService

Since this implements ChangeGenerator; it will also generate Events of Type

• On Any change - Object[]{String cartType, Cart, sessionId as String, (optional) CartService method name}
• On Any operation UPDATE/INSERT/REMOVE - Object[]{String cartType, Cart existingCart, Cart cartForOperation, sessionId as String, String operationName}

Author:

Arjun Dhar

Field Summary

Fields

Modifier and Type	Field and Description
static String	SESSION_ATTRIB_CART Cart object in Session

Fields inherited from class com.neurosys.ecom.cart.service.AbstractCartService

persistSessionCarts, saleStrategy

Fields inherited from interface com.neurosys.ecom.cart.service.CartService

CART_TYPE_SHOPPING, CART_TYPE_WISHLIST

Constructor Summary

Constructors

Constructor and Description
ServletCartService()
ServletCartService(ProductService<P> productService)

Method Summary

Modifier and Type	Method and Description
protected Cart	getCartFromSession(S session) The Session is expected to be related to the Cart it carries.
String	getCartSessionId(S session, String cartType) A client cart is identified by its user name (primary) and a sessionId (for session based carts like shopping cart).
String	getCartUserId(S session, U user, String cartType) A client cart is identified by its user name (primary) and a sessionId (for session based carts like shopping cart).
protected String	getOrigin(S session, javax.servlet.http.HttpServletRequest request) Get the origin of the user Request
protected String	getSessionId(S session) Get the Id associated with the Session
protected U	getUser(S session) Get the User associated with the Session
protected String	getUserId(S session) Get the User Id associated with the Session
protected void	setCartToSession(S session, Cart c) The Session is expected to be related to the Cart it carries.

Methods inherited from class com.neurosys.ecom.cart.service.AbstractCartService

actionOnUpdateCartType, addChangeListener, convertToProductList, convertToProductQuantityMap, getCartForSession, getCartForUser, getCartProductTransform, getListeners, getProductService, getSaleStrategy, getUserAttributeDao, isPersistSessionCarts, mergeCarts, notifyAllListeners, saveCart, setCartProductTransform, setListeners, setPersistSessionCarts, setProductService, setSaleStrategy, setUserAttributeDao, subtractCart, validateCart

Methods inherited from class java.lang.Object

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

Field Detail

SESSION_ATTRIB_CART

public static final String SESSION_ATTRIB_CART

Cart object in Session

See Also:

Constant Field Values

Constructor Detail

ServletCartService

public ServletCartService()

ServletCartService

public ServletCartService(ProductService<P> productService)

Method Detail

getSessionId

protected final String getSessionId(S session)

Description copied from class: AbstractCartService

Get the Id associated with the Session

Specified by:

getSessionId in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

Returns:

getUser

protected U getUser(S session)

Description copied from class: AbstractCartService

Get the User associated with the Session

Specified by:

getUser in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

Returns:

getUserId

protected final String getUserId(S session)

Description copied from class: AbstractCartService

Get the User Id associated with the Session

Specified by:

getUserId in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

Returns:

getOrigin

protected String getOrigin(S session,
                           javax.servlet.http.HttpServletRequest request)

Description copied from class: AbstractCartService

Get the origin of the user Request

Specified by:

getOrigin in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

Returns:

setCartToSession

protected final void setCartToSession(S session,
                                      Cart c)

Description copied from class: AbstractCartService

The Session is expected to be related to the Cart it carries. Ability to Get that.

Specified by:

setCartToSession in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

getCartFromSession

protected final Cart getCartFromSession(S session)

Description copied from class: AbstractCartService

The Session is expected to be related to the Cart it carries. Ability to Set that.

Specified by:

getCartFromSession in class AbstractCartService<P extends Product,S extends javax.servlet.http.HttpSession,javax.servlet.http.HttpServletRequest,U extends IGenericEcomUser>

Parameters:

session - as SESSION

Returns:

getCartUserId

public String getCartUserId(S session,
                            U user,
                            String cartType)

Description copied from interface: CartService

A client cart is identified by its user name (primary) and a sessionId (for session based carts like shopping cart).
This method allows to generate which user attribute will define the userId for the cart.

Parameters:

session - as SESSION

user - as USER

cartType - as String

Returns:

userId as String

getCartSessionId

public String getCartSessionId(S session,
                               String cartType)

A client cart is identified by its user name (primary) and a sessionId (for session based carts like shopping cart).
This method allows to generate a unique session Id from the session.
Since the sessionId is persisted on the client-cart and the duration is purely client implementation dependent, it maybe prudent not to directly use a sessionId if proper cleanup mechanisms are not in place once a session has ended on the client side.

This implementation ensures the generated Cart sessionId is not the same as the server sessionId. It is a hash of the original. The idea being that, if a hacker obtains the sessionId from a persistent cart through any means, then that cannot be used for any other malicious purpose.

Parameters:

session - as SESSION

cartType - as String

Returns:

sessionId as String