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JavaBeans Components
</h3>
<a name="wp65990"> </a><h4 class="pHeading3">
RetailPriceList
</h4>
<a name="wp70911"> </a><p class="pBody">
<code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/RetailPriceList.java" target="_blank">RetailPriceList</a></code> is a list of retail price items. A retail price item contains a coffee name, a wholesale price per pound, a retail price per pound, and a distributor. This data is used for two purposes: it contains the price list presented to the end user and is used by <code class="cCode">CheckoutFormBean</code> when it constructs the suborders dispatched to coffee distributors. 
</p>
<a name="wp70907"> </a><p class="pBody">
It first performs a JAXR lookup to determine the JAX-RPC service endpoints. It then queries each JAX-RPC service for a coffee price list. Finally it queries the SAAJ service for a price list. The two price lists are combined and a retail price per pound is determined by adding a markup of 35% to the wholesale prices.
</p>
<a name="wp65993"> </a><h5 class="pHeading4">
Discovering the JAX-RPC Service
</h5>
<a name="wp65994"> </a><p class="pBody">
Instantiated by <code class="cCode">RetailPriceList</code>, <code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/JAXRQueryByName.java" target="_blank">JAXRQueryByName</a></code> connects to the registry server and searches for coffee distributors registered with the name <code class="cCode">JAXRPCCoffeeDistributor</code> in the <code class="cCode">executeQuery</code> method. The method returns a collection of organizations which contain services. Each service is accessible via a service binding or URI. <code class="cCode">RetailPriceList</code> makes a JAX-RPC call to each URI.
</p>
<a name="wp65995"> </a><h4 class="pHeading3">
ShoppingCart
</h4>
<a name="wp65996"> </a><p class="pBody">
<code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/ShoppingCart.java" target="_blank">ShoppingCart</a></code> is a list of shopping cart items. A <code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/ShoppingCartItem.java" target="_blank">ShoppingCartItem</a></code> contains a retail price item, the number of pounds of that item, and the total price for that item.
</p>
<a name="wp65997"> </a><h4 class="pHeading3">
OrderConfirmations
</h4>
<a name="wp65998"> </a><p class="pBody">
<code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/OrderConfirmations.java" target="_blank">OrderConfirmations</a></code> is a list of order confirmation objects. An <code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/OrderConfirmation.java" target="_blank">OrderConfirmation</a></code> contains order and confirmation objects, already discussed in <a  href="CB3.html#wp64997">Service Interface</a>.
</p>
<a name="wp66002"> </a><h4 class="pHeading3">
CheckoutFormBean
</h4>
<a name="wp66003"> </a><p class="pBody">
<code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/CheckoutFormBean.java" target="_blank">CheckoutFormBean</a></code> checks the completeness of information entered into <code class="cCode">checkoutForm</code>. If the information is incomplete, the bean populates error messages, and <code class="cCode">Dispatcher</code> redisplays <code class="cCode">checkoutForm</code> with the error messages. If the information is complete, order requests are constructed from the shopping cart and the information supplied to <code class="cCode">checkoutForm</code> and are sent to each distributor. As each confirmation is received, an order confirmation is created and added to <code class="cCode">OrderConfirmations</code>.
</p>
<div class="pPreformattedRelative"><pre class="pPreformattedRelative">
if (allOk) {
&nbsp;&nbsp;String orderId = CCNumber;

&nbsp;&nbsp;AddressBean address = 
&nbsp;&nbsp;&nbsp;&nbsp;new AddressBean(street, city, state, zip);
&nbsp;&nbsp;CustomerBean customer = 
&nbsp;&nbsp;&nbsp;&nbsp;new CustomerBean(firstName, lastName,
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&quot;(&quot; + areaCode + &quot;) &quot; + phoneNumber, email);

&nbsp;&nbsp;for (Iterator d = rpl.getDistributors().iterator();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d.hasNext(); ) {
&nbsp;&nbsp;&nbsp;&nbsp;String distributor = (String)d.next();
&nbsp;&nbsp;&nbsp;&nbsp;System.out.println(distributor);
&nbsp;&nbsp;&nbsp;&nbsp;ArrayList lis = new ArrayList();
&nbsp;&nbsp;&nbsp;&nbsp;BigDecimal price = new BigDecimal(&quot;0.00&quot;);
&nbsp;&nbsp;&nbsp;&nbsp;BigDecimal total = new BigDecimal(&quot;0.00&quot;);
&nbsp;&nbsp;&nbsp;&nbsp;for (Iterator c = cart.getItems().iterator(); 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;c.hasNext(); ) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ShoppingCartItem sci = (ShoppingCartItem) c.next();
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if ((sci.getItem().getDistributor()).
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;equals(distributor) &amp;&amp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sci.getPounds().floatValue() &gt; 0) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;price = sci.getItem().getWholesalePricePerPound().
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;multiply(sci.getPounds());
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;total = total.add(price);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;LineItemBean li = new LineItemBean(
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sci.getItem().getCoffeeName(), sci.getPounds(), 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;sci.getItem().getWholesalePricePerPound());
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;lis.add(li);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;&nbsp;&nbsp;}

&nbsp;&nbsp;&nbsp;&nbsp;if (!lis.isEmpty()) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OrderBean order = new OrderBean(address, customer, 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;orderId, lis, total);

&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;String SAAJOrderURL = 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;URLHelper.getSaajURL() + &quot;/orderCoffee&quot;;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if (distributor.equals(SAAJOrderURL)) {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OrderRequest or = new OrderRequest(SAAJOrderURL);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;confirmation = or.placeOrder(order);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;} else {
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OrderCaller ocaller = new OrderCaller(distributor);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;confirmation = ocaller.placeOrder(order);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;OrderConfirmation oc = 
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;new OrderConfirmation(order, confirmation);
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;ocs.add(oc);
&nbsp;&nbsp;&nbsp;&nbsp;}
&nbsp;&nbsp;}
}<a name="wp70976"> </a>
</pre></div>
<a name="wp70875"> </a><h3 class="pHeading2">
RetailPriceListServlet
</h3>
<a name="wp70877"> </a><p class="pBody">
The <code class="cCode"><a  href="../examples/cb/server/src/com/sun/cb/RetailPriceListServlet.java" target="_blank">RetailPriceListServlet</a></code> responds to requests to reload the price list via the URL <code class="cCode">/loadPriceList</code>. It simply creates a new <code class="cCode">RetailPriceList</code> and a new <code class="cCode">ShoppingCart</code>. 
</p>
<a name="wp70878"> </a><p class="pBody">
Since this servlet would be used by administrators of the Coffee Break Server, it is a protected Web resource. In order to load the price list, a user must authenticate (using basic authentication) and the authenticated user must be in the <code class="cCode">admin</code> role.
</p>
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