📄 htmlsalesformatter.java
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import java.util.*;
public class HTMLSalesFormatter implements SalesFormatter{
static public HTMLSalesFormatter singletonInstance = new HTMLSalesFormatter();
private HTMLSalesFormatter() {
}
static public HTMLSalesFormatter getSingletonInstance() {
if(singletonInstance == null) {
singletonInstance = new HTMLSalesFormatter();
}
return HTMLSalesFormatter.singletonInstance;
}
public String formatSales(Sales sales) {
String record = "";
double total = 0.0;
/** Why can't use this!!!
*for(Iterator<Order> temp = sales.iterator(); temp.hasNext();)
* total += temp.next().getTotalCost();
*
*record += "<html>\n<body>\n<center><h2>Orders</h2></center>\n"
* + "<hr>\n<h4>Total = " + total + "</h4>\n";
*
*for(Iterator<Order> temp1 = sales.iterator(); temp1.hasNext();) {
* for(Iterator<OrderItem> temp2 = temp1.next().iterator(); temp2.hasNext();) {
* record += "<p>\n<b>code:</b>" + temp2.next().getProduct().getCode() + "<br>\n" +
* "<b>quentity:" + temp2.next().getQuantity() + "<br>\n" +
* "<b>price:</b>" + temp2.next().getProduct().getPrice() + "<br>\n</p>";
* }
*}
**/
for(Order temp: sales.orders) {
total += temp.getTotalCost();
}
record += "<html>\n<body>\n<center><h2>Orders</h2></center>\n"
+ "<hr>\n<h4>Total = " + total + "</h4>\n";
for(Order temp1: sales.orders) {
for(OrderItem temp2: temp1.getOrderItem()) {
record += "<p>\n<b>code:</b>" + temp2.getProduct().getCode() + "<br>\n" +
"<b>quentity:" + temp2.getQuantity() + "<br>\n" +
"<b>price:</b>" + temp2.getProduct().getPrice() + "<br>\n</p>";
}
}
record += "<body>/n<html>";
return record;
}
}
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