All done

solution-lab-2.02-maven/.gitignore

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+target/
+!.mvn/wrapper/maven-wrapper.jar
+!**/src/main/**/target/
+!**/src/test/**/target/
+.kotlin
+
+### IntelliJ IDEA ###
+.idea/modules.xml
+.idea/jarRepositories.xml
+.idea/compiler.xml
+.idea/libraries/
+*.iws
+*.iml
+*.ipr
+
+### Eclipse ###
+.apt_generated
+.classpath
+.factorypath
+.project
+.settings
+.springBeans
+.sts4-cache
+
+### NetBeans ###
+/nbproject/private/
+/nbbuild/
+/dist/
+/nbdist/
+/.nb-gradle/
+build/
+!**/src/main/**/build/
+!**/src/test/**/build/
+
+### VS Code ###
+.vscode/
+
+### Mac OS ###
+.DS_Store

solution-lab-2.02-maven/order-data/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <!-- Parent reference: Inherits configurations from the parent POM. -->
+    <parent>
+        <groupId>com.example</groupId>
+        <artifactId>solution-lab-2.02-maven</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <!-- Module metadata: Unique artifactId for this child module. -->
+    <artifactId>order-data</artifactId>
+
+    <!-- Dependencies: Inherits versions from parent, adds module-specific ones. -->
+    <dependencies>
+        <!-- Gson for JSON handling. -->
+        <dependency>
+                <groupId>com.google.code.gson</groupId>
+                <artifactId>gson</artifactId>
+                <version>2.10.1</version>
+            </dependency>
+        <!-- SLF4J for logging. -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+        </dependency>
+        <!-- JUnit for testing (bonus). -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+</project>

solution-lab-2.02-maven/order-data/src/main/java/com/ironhack/orderdata/Order.java

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+package com.ironhack.orderdata;
+
+import java.util.List;
+
+/**
+ * Represents an Order entity mapped from JSON data.
+ */
+public class Order {
+    private String orderId;
+    private String customer;
+    private List<OrderItem> items;
+    private double total;
+
+    // Default constructor for Gson
+    public Order() {
+    }
+
+    public Order(String orderId, String customer, List<OrderItem> items, double total) {
+        this.orderId = orderId;
+        this.customer = customer;
+        this.items = items;
+        this.total = total;
+    }
+
+    public String getOrderId() {
+        return orderId;
+    }
+
+    public void setOrderId(String orderId) {
+        this.orderId = orderId;
+    }
+
+    public String getCustomer() {
+        return customer;
+    }
+
+    public void setCustomer(String customer) {
+        this.customer = customer;
+    }
+
+    public List<OrderItem> getItems() {
+        return items;
+    }
+
+    public void setItems(List<OrderItem> items) {
+        this.items = items;
+    }
+
+    public double getTotal() {
+        return total;
+    }
+
+    public void setTotal(double total) {
+        this.total = total;
+    }
+
+    @Override
+    public String toString() {
+        return "Order{" +
+                "orderId='" + orderId + '\'' +
+                ", customer='" + customer + '\'' +
+                ", items=" + items +
+                ", total=" + total +
+                '}';
+    }
+}

solution-lab-2.02-maven/order-data/src/main/java/com/ironhack/orderdata/OrderItem.java

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+package com.ironhack.orderdata;
+
+/**
+ * Represents an individual item within an Order.
+ */
+public class OrderItem {
+    private String product;
+    private int quantity;
+    private double price;
+
+    public OrderItem() {
+    }
+
+    public OrderItem(String product, int quantity, double price) {
+        this.product = product;
+        this.quantity = quantity;
+        this.price = price;
+    }
+
+    public String getProduct() {
+        return product;
+    }
+
+    public void setProduct(String product) {
+        this.product = product;
+    }
+
+    public int getQuantity() {
+        return quantity;
+    }
+
+    public void setQuantity(int quantity) {
+        this.quantity = quantity;
+    }
+
+    public double getPrice() {
+        return price;
+    }
+
+    public void setPrice(double price) {
+        this.price = price;
+    }
+
+    @Override
+    public String toString() {
+        return "OrderItem{" +
+                "product='" + product + '\'' +
+                ", quantity=" + quantity +
+                ", price=" + price +
+                '}';
+    }
+}

solution-lab-2.02-maven/order-data/src/main/java/com/ironhack/orderdata/OrderProcessor.java

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+package com.ironhack.orderdata;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonSyntaxException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.nio.charset.StandardCharsets;
+
+/**
+ * JSON sifariş məlumatlarını classpath-dən oxuyur və Order obyektinə çevirir.
+ */
+public class OrderProcessor {
+
+    private static final Logger logger = LoggerFactory.getLogger(OrderProcessor.class);
+    private static final Gson gson = new Gson();
+
+    public static void main(String[] args) {
+        String resourceName = "sample-order.json";
+
+        logger.info("Sifariş JSON-u yüklənir: {}", resourceName);
+
+        try {
+            Order order = parseOrderFromClasspath(resourceName);
+            logger.info("Sifariş uğurla oxundu: {}", order);
+
+            // Əlavə olaraq hesablanmış totalı da yoxlaya bilərik
+            double calculated = order.getItems().stream()
+                    .mapToDouble(item -> item.getQuantity() * item.getPrice())
+                    .sum();
+            logger.info("JSON-dakı total: {}, hesablanmış: {}", order.getTotal(), calculated);
+
+        } catch (IOException e) {
+            logger.error("Fayl oxunmadı: {}", resourceName, e);
+        } catch (JsonSyntaxException e) {
+            logger.error("JSON formatı səhvdir", e);
+        } catch (Exception e) {
+            logger.error("Gözlənilməz xəta", e);
+        }
+    }
+
+    public static Order parseOrderFromClasspath(String resourceName) throws IOException {
+        ClassLoader classLoader = OrderProcessor.class.getClassLoader();
+        InputStream inputStream = classLoader.getResourceAsStream(resourceName);
+
+        if (inputStream == null) {
+            throw new IOException("Fayl tapılmadı: " + resourceName +
+                    "\nYer: src/main/resources/" + resourceName);
+        }
+
+        try (InputStreamReader reader = new InputStreamReader(inputStream, StandardCharsets.UTF_8)) {
+            Order order = gson.fromJson(reader, Order.class);
+            if (order == null) {
+                throw new IOException("JSON boşdur və ya parse olunmadı");
+            }
+            return order;
+        }
+    }
+}

solution-lab-2.02-maven/order-data/src/main/resources/sample-order.json

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+{
+  "orderId": "123",
+  "customer": "John Doe",
+  "items": [
+    {
+      "product": "Book",
+      "quantity": 2,
+      "price": 10.0
+    },
+    {
+      "product": "Pen",
+      "quantity": 5,
+      "price": 1.0
+    }
+  ],
+  "total": 25.0
+}

solution-lab-2.02-maven/order-logic/pom.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+    <modelVersion>4.0.0</modelVersion>
+
+    <!-- Parent reference: Inherits from root POM. -->
+    <parent>
+        <groupId>com.example</groupId>
+        <artifactId>solution-lab-2.02-maven</artifactId>
+        <version>1.0-SNAPSHOT</version>
+    </parent>
+
+    <!-- Module metadata. -->
+    <artifactId>order-logic</artifactId>
+
+    <!-- Dependencies: Includes inter-module dependency on order-data. -->
+    <dependencies>
+        <!-- Dependency on order-data module for model classes. -->
+        <dependency>
+            <groupId>com.example</groupId>
+            <artifactId>order-data</artifactId>
+            <version>1.0-SNAPSHOT</version>
+        </dependency>
+        <!-- SLF4J for logging. -->
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-api</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.slf4j</groupId>
+            <artifactId>slf4j-simple</artifactId>
+        </dependency>
+        <!-- JUnit for testing (bonus). -->
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-api</artifactId>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.junit.jupiter</groupId>
+            <artifactId>junit-jupiter-engine</artifactId>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <configuration>
+                    <source>16</source>
+                    <target>16</target>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+</project>