org.apache.taglibs.rdc.sampleapps.musicstore.ws
Class MusicStore

java.lang.Object
  org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicStore

public class MusicStore
extends java.lang.Object

Class representing an Amazon Web Services music store. Contains necessary AWS queries needed by the music store application.

Author:

Jaroslav Gergic, Rahul Akolkar, Thomas Ling

Field Summary

protected static java.lang.String	MERCHANT_ID
protected static java.lang.String	RESPONSE_GRP
protected java.lang.String	subscriptionId
protected static java.lang.String	XMLNS_NS

Constructor Summary

MusicStore(java.lang.String subscriptionId)

Method Summary

Cart	addToCart(Cart cart, MusicAlbum album, int quantity)
Cart	createCart(MusicAlbum album, int quantity)
protected static MusicAlbum[]	doAlbumQuery(java.lang.String request, int genre)
protected static Cart	doCartOperation(java.lang.String request, java.lang.String cartOp)
MusicAlbum[]	getFeaturedItems(int genre)
int[]	getGenres(int parent) Retrurns an array of music genres (styles) listed on Amazon
MusicAlbum[]	getNewReleases(int genre)
MusicAlbum[]	getSimilarItems(MusicAlbum album)
protected static javax.xml.parsers.DocumentBuilder	getSimpleDOMBuilder() a helper method - parser factory
MusicAlbum[]	getTopSellers(int genre)
protected static MusicAlbum	parseAlbum(org.w3c.dom.Element root, org.w3c.dom.Node album, int genre)
protected static CartItem	parseCartItem(org.w3c.dom.Element root, org.w3c.dom.Node cartItem)
protected static Image	parseImage(org.w3c.dom.Element root, org.w3c.dom.Node imageNode)
protected static OfferSummary	parseOfferSummary(org.w3c.dom.Element root, org.w3c.dom.Node offerSummary)
protected static java.lang.String	xGetVal(org.w3c.dom.Node target) retrieve a DOM node value as a string depending on Node type.
protected static java.lang.String	xmlGet(org.w3c.dom.Node node, java.lang.String xpath, org.w3c.dom.Node xmlnsNode)

Methods inherited from class java.lang.Object

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

Field Detail

MERCHANT_ID

protected static final java.lang.String MERCHANT_ID

See Also:

Constant Field Values

XMLNS_NS

protected static final java.lang.String XMLNS_NS

See Also:

Constant Field Values

RESPONSE_GRP

protected static final java.lang.String RESPONSE_GRP

See Also:

Constant Field Values

subscriptionId

protected java.lang.String subscriptionId

Constructor Detail

MusicStore

public MusicStore(java.lang.String subscriptionId)

Parameters:

subscriptionId - Amazon ECS subscription ID

Method Detail

getGenres

public int[] getGenres(int parent)
                throws java.io.IOException

Retrurns an array of music genres (styles) listed on Amazon

Parameters:

parent - parent music style

Returns:

int[]

Throws:

java.io.IOException

java.io.IOException

getTopSellers

public MusicAlbum[] getTopSellers(int genre)
                           throws java.io.IOException

Parameters:

genre -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

getNewReleases

public MusicAlbum[] getNewReleases(int genre)
                            throws java.io.IOException

Parameters:

genre -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

getFeaturedItems

public MusicAlbum[] getFeaturedItems(int genre)
                              throws java.io.IOException

Parameters:

genre -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

getSimilarItems

public MusicAlbum[] getSimilarItems(MusicAlbum album)
                             throws java.io.IOException

Parameters:

album -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

createCart

public Cart createCart(MusicAlbum album,
                       int quantity)
                throws java.io.IOException

Parameters:

album -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

addToCart

public Cart addToCart(Cart cart,
                      MusicAlbum album,
                      int quantity)
               throws java.io.IOException

Parameters:

album -

Returns:

org.apache.taglibs.rdc.sampleapps.musicstore.ws.MusicAlbum[]

Throws:

java.io.IOException

getSimpleDOMBuilder

protected static javax.xml.parsers.DocumentBuilder getSimpleDOMBuilder()

a helper method - parser factory

Returns:

DocumentBuilder

xGetVal

protected static java.lang.String xGetVal(org.w3c.dom.Node target)

retrieve a DOM node value as a string depending on Node type.

Parameters:

target - a node to be retreived

Returns:

node value as a string

doAlbumQuery

protected static MusicAlbum[] doAlbumQuery(java.lang.String request,
                                           int genre)
                                    throws java.io.IOException

Throws:

java.io.IOException

doCartOperation

protected static Cart doCartOperation(java.lang.String request,
                                      java.lang.String cartOp)
                               throws java.io.IOException

Throws:

java.io.IOException

parseAlbum

protected static MusicAlbum parseAlbum(org.w3c.dom.Element root,
                                       org.w3c.dom.Node album,
                                       int genre)

parseImage

protected static Image parseImage(org.w3c.dom.Element root,
                                  org.w3c.dom.Node imageNode)

parseOfferSummary

protected static OfferSummary parseOfferSummary(org.w3c.dom.Element root,
                                                org.w3c.dom.Node offerSummary)

parseCartItem

protected static CartItem parseCartItem(org.w3c.dom.Element root,
                                        org.w3c.dom.Node cartItem)

xmlGet

protected static final java.lang.String xmlGet(org.w3c.dom.Node node,
                                               java.lang.String xpath,
                                               org.w3c.dom.Node xmlnsNode)