import java.io.*;
import java.util.*;
*;
/**
* This class implements a gourmet coffee system.
*
* @author author name
* @version 1.1.0
* @e Product
* @e Coffee
* @e CoffeeBrewer
* @e Catalog
* @e OrderItem
* @e Order
* @e SalesFormatter
* @e PlainTextSalesFormatter
* @e HTMLSalesFormatter
* @e XMLSalesFormatter
* @e CatalogLoader
* @e FileCatalogLoader
*/
public class GourmetCoffee {
private static BufferedReader stdIn =
new BufferedReader(new InputStreamReader(System.in));
private static PrintWriter stdOut = new PrintWriter(System.out, true);
小米路由器3cprivate static PrintWriter stdErr = new , true);
private Catalog catalog;
private Sales sales;
private SalesFormatter salesFormatter;
/**
* Loads catalog data from a file and starts the application.
* <p>
* The name of the file is specified in the command arguments.
* </p>
*
* @param args String arguments.
* @throws IOException if there are errors in the input.
*/
public static void main(String[] args) throws IOException {
Catalog catalog = null;
if (args.length != 1) {
stdErr.println("Usage: java GourmetCoffee filename");
} el {
try {
catalog =
(new FileCatalogLoader()).loadCatalog(args[0]);
} catch (FileNotFoundException fnfe) {
stdErr.println("The file does not exist");
斑鸠调it(1);
} catch (DataFormatException dfe) {
stdErr.println("The file contains malformed data: "
+ Message());
}
GourmetCoffee application =
狠狠2015
new GourmetCoffee(catalog);
application.run();
}
}
/**
* Constructs a <code>GourmetCoffee</code> object.
* Initializes the catalog data with the value specified
* in the parameter.
*
* @param initialCatalog a product catalog
优美近义词
*/
private GourmetCoffee(Catalog initialCatalog) {
this.catalog = initialCatalog;
this.sales = new Sales();
this.salesFormatter =
loadSales();
}
/**
* Initializes the sales object.
*/
private void loadSales() {
Order orderOne = new Order();
Product productOne = Product("C001");
if (productOne != null) {
orderOne.addItem(new OrderItem(productOne, 5));
this.sales.addOrder(orderOne);
}
Order orderTwo = new Order();
Product productTwo = Product("C002");
Product productThree = Product("A001");
if ((productTwo != null) && (productThree != null)) {
orderTwo.addItem(new OrderItem(productTwo, 2));
orderTwo.addItem(new OrderItem(productThree, 2));
this.sales.addOrder(orderTwo);
}
Order orderThree = new Order();
Product productFour = Product("B002");
if (productFour != null) {
家政服务合同
orderThree.addItem(new OrderItem(productFour, 1));
this.sales.ad
dOrder(orderThree);
}
}
/
**
* Prents the ur with a menu of options and executes the
* lected task.
*/
private void run() throws IOException {
int choice = getChoice();
while (choice != 0) {
if (choice == 1) {
displayCatalog();
} el if (choice == 2) {
this.salesFormatter =
writeFile(
readFilename(),
this.salesFormatter.formatSales(this.sales));
} el if (choice == 3) {
this.salesFormatter =
writeFile(
readFilename(),
this.salesFormatter.formatSales(this.sales));
} el if (choice == 4) {
this.salesFormatter =
咪咪色吧writeFile(
readFilename(),
this.salesFormatter.formatSales(this.sales));
}
choice = getChoice();
}
}
/**
* Displays a menu of options and verifies the ur's choice.
*
* @return an integer in the range [0,7]
*/
private int getChoice() throws IOException {
int input;
do {
try {
stdErr.println();
stdErr.print("[0] Quit\n"
+ "[1] Display Catalog\n"
+ "[2] Save sales (Plain Text)\n"
+ "[3] Save sales (HTML)\n"
+ "[4] Save sales (XML)\n"
+ "choice> ");
stdErr.flush();
input = Integer.adLine());
stdErr.println();
if (0 <= input && 4 >= input) {
break;
} el {
stdErr.println("Invalid choice: " + input);
}
} catch (NumberFormatException nfe) {
stdErr.println(nfe);
}
} while (true);
return input;
}
/**
* Displays the catalog.
*/
private void displayCatalog() {
int size = NumberOfProducts();
if (size == 0) {
stdErr.println("The catalog is empty");
} el {
送柴侍御王昌龄for (Product product : this.catalog) {
stdOut.Code() + " "
+ Description());
}
}
}
/**
* Creates a new file (which has the specified name) and writes
* the specified string to the new file.
*
* @param filename name of the file that will store the data
* @param content data to be stored
*/
private void writeFile(String filename, String content)
throws IOException {
/* PLACE YOUR CODE HERE */
File file = new File(filename);
ists())
开始图标
file.delete();
FileWriter fileWriter = new Name(), true);
BufferedWriter bufferWriter = new BufferedWriter(fileWriter);
bufferWriter.write(content);
bufferWriter.clo();
}
/**
* Prompts the ur for a filename (the name of the file that
* will store the sales information) and returns the ur's
* respon.
*
* @return name of a file
*/
private String readFilename() throws IOException {
stdErr.print(
"Filename> ");
stdErr.flush();
adLine();
}
}
