68 lines
1.9 KiB
Java
68 lines
1.9 KiB
Java
import java.io.IOException;
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import java.io.InputStream;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.Scanner;
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public class Main
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{
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static ArrayList<Product> productCatalog = new ArrayList<>();
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public static void loadProducts() throws IOException
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{
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InputStream input = Main.class
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.getClassLoader()
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.getResourceAsStream("products.csv");
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if (input == null)
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{
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throw new IOException("products.csv not found");
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}
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try (Scanner scanner = new Scanner(input))
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{
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while (scanner.hasNextLine())
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{
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String line = scanner.nextLine();
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if (line.trim().isEmpty()) continue;
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String[] parts = line.split(",");
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if (parts.length >= 3)
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{
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int productId = Integer.parseInt(parts[0].trim());
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String name = parts[1].trim();
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double price = Double.parseDouble(parts[2].trim());
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productCatalog.add(new Product(productId, name, price));
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}
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}
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}
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}
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public static void main(String[] args)
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{
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try
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{
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loadProducts();
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} catch (IOException e)
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{
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System.err.println("Error reading products: " + e.getMessage());
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System.out.println("Terminating the program...");
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return;
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}
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System.out.println("=== Products loaded");
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ReportGenerator reportGenerator = new ReportGenerator("2025_order_details.csv", Collections.unmodifiableList(productCatalog));
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reportGenerator.processFile();
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System.out.println("=== Order file processed");
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reportGenerator.saveReport();
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System.out.println("=== Report saved as report.txt");
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}
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} |