Source code for all chapters

code/chapter02/mp-ecomm-store/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>
+
+  <groupId>io.microprofile.tutorial</groupId>
+  <artifactId>mp-ecomm-store</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <packaging>war</packaging>
+
+  <name>mp-ecomm-store</name>
+  <!-- FIXME change it to the project's website -->
+  <url>http://www.example.com</url>
+
+  <properties>
+    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
+
+    <!-- Setting the source and target of the Java Compiler -->
+    <maven.compiler.source>17</maven.compiler.source>
+    <maven.compiler.target>17</maven.compiler.target>
+
+    <!-- Liberty configuration -->
+    <liberty.var.default.http.port>9080</liberty.var.default.http.port>
+    <liberty.var.default.https.port>9443</liberty.var.default.https.port>
+    <liberty.var.app.context.root>mp-ecomm-store</liberty.var.app.context.root>
+  </properties>
+
+  <dependencies>
+
+    <!-- Add Lombok dependency -->
+    <dependency>
+      <groupId>org.projectlombok</groupId>
+      <artifactId>lombok</artifactId>
+      <version>1.18.26</version>
+      <scope>provided</scope>
+    </dependency>
+
+    <!-- Adding Jakarta EE dependencies -->
+    <dependency>
+      <groupId>jakarta.platform</groupId>
+      <artifactId>jakarta.jakartaee-api</artifactId>
+      <version>10.0.0</version>
+      <scope>provided</scope>
+    </dependency>
+
+    <!-- Adding MicroProfie dependency -->
+    <dependency>
+      <groupId>org.eclipse.microprofile</groupId>
+      <artifactId>microprofile</artifactId>
+      <version>6.1</version>
+      <type>pom</type>
+      <scope>provided</scope>
+    </dependency>
+
+    <!-- JUnit Jupiter API for writing tests -->
+    <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter-api</artifactId>
+        <version>5.8.2</version>
+        <scope>test</scope>
+    </dependency>
+
+    <!-- JUnit Jupiter Engine for running tests -->
+    <dependency>
+        <groupId>org.junit.jupiter</groupId>
+        <artifactId>junit-jupiter-engine</artifactId>
+        <version>5.8.2</version>
+        <scope>test</scope>
+    </dependency>
+
+  </dependencies>
+
+  <build>
+    <finalName>${project.artifactId}</finalName>
+    <plugins>
+
+      <!-- Enable liberty-maven plugin -->
+      <plugin>
+        <groupId>io.openliberty.tools</groupId>
+        <artifactId>liberty-maven-plugin</artifactId>
+        <version>3.10.1</version>
+        <configuration>
+            <serverName>mpServer</serverName>
+        </configuration>
+      </plugin>
+
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>3.3.2</version>
+      </plugin>
+
+      <!-- Plugin to run unit tests -->
+      <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-surefire-plugin</artifactId>
+          <version>3.0.0</version>
+      </plugin>
+
+      <!-- Plugin to run functional tests -->
+      <plugin>
+          <groupId>org.apache.maven.plugins</groupId>
+          <artifactId>maven-failsafe-plugin</artifactId>
+          <version>3.0.0</version>
+          <configuration>
+              <systemPropertyVariables>
+                  <http.port>${liberty.var.default.http.port}</http.port>
+                  <war.name>${liberty.var.app.context.root}</war.name>
+              </systemPropertyVariables>
+          </configuration>
+      </plugin>
+    </plugins>
+</project>

code/chapter02/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/ProductRestApplication.java

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+package io.microprofile.tutorial.store.product;
+
+import jakarta.ws.rs.ApplicationPath;
+import jakarta.ws.rs.core.Application;
+
+@ApplicationPath("/api")
+public class ProductRestApplication extends Application{
+
+}

code/chapter02/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/entity/Product.java

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+package io.microprofile.tutorial.store.product.entity;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+@Data
+@AllArgsConstructor
+public class Product {
+    private Long id;
+    private String name;
+    private String description;
+    private Double price;
+}

code/chapter02/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/resource/ProductResource.java

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+package io.microprofile.tutorial.store.product.resource;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import io.microprofile.tutorial.store.product.entity.Product;
+
+import jakarta.enterprise.context.ApplicationScoped;
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+
+@Path("/products")
+@ApplicationScoped
+public class ProductResource {
+    private List<Product> products;
+
+    public ProductResource() {
+        products = new ArrayList<>();
+
+        products.add(new Product(Long.valueOf(1L), "iPhone", "Apple iPhone 15", Double.valueOf(999.99)));
+        products.add(new Product(Long.valueOf(2L), "MacBook", "Apple MacBook Air", Double.valueOf(1299.99)));
+    }
+
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public List<Product> getProducts() {
+        // Return a list of products
+        return products;
+    }    
+}
+

code/chapter02/mp-ecomm-store/src/main/liberty/config/server.xml

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+<server description="MicroProfile Tutorial Liberty Server">
+    <featureManager>
+        <feature>restfulWS-3.1</feature>
+        <feature>jsonb-3.0</feature>
+    </featureManager>
+
+    <httpEndpoint httpPort="${default.http.port}" httpsPort="${default.https.port}"
+                  id="defaultHttpEndpoint" host="*" />
+    <webApplication location="mp-ecomm-store.war" contextRoot="${app.context.root}"/>
+</server>

code/chapter02/mp-ecomm-store/src/test/java/io/microprofile/tutorial/AppTest.java

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+package io.microprofile.tutorial;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+/**
+ * Unit test for simple App.
+ */
+public class AppTest 
+{
+    /**
+     * Rigorous Test :-)
+     */
+    @Test
+    public void shouldAnswerWithTrue()
+    {
+        assertTrue( true );
+    }
+}

code/chapter02/mp-ecomm-store/src/test/java/io/microprofile/tutorial/store/product/resource/ProductResourceTest.java

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+package io.microprofile.tutorial.store.product.resource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+
+import java.util.List;
+
+import org.junit.jupiter.api.AfterEach;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+
+import io.microprofile.tutorial.store.product.entity.Product;
+
+public class ProductResourceTest {
+   private ProductResource productResource;
+
+    @BeforeEach
+    void setUp() {
+        productResource = new ProductResource();
+    }
+
+    @AfterEach
+    void tearDown() {
+        productResource = null;
+    }
+
+    @Test
+    void testGetProducts() {
+        List<Product> products = productResource.getProducts();
+
+        assertNotNull(products);
+        assertEquals(2, products.size());
+    } 
+}

code/chapter03/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/logging/Loggable.java

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+package io.microprofile.tutorial.store.logging;
+
+import java.lang.annotation.Retention;
+
+import static java.lang.annotation.RetentionPolicy.RUNTIME;
+import static java.lang.annotation.ElementType.METHOD;
+
+import jakarta.interceptor.InterceptorBinding;
+import java.lang.annotation.Target;
+
+@InterceptorBinding
+@Retention(RUNTIME)
+@Target({METHOD})
+public @interface Loggable {
+
+}

code/chapter03/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/logging/LoggingInterceptor.java

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+package io.microprofile.tutorial.store.logging;
+
+import jakarta.interceptor.AroundInvoke;
+import jakarta.interceptor.Interceptor;
+import jakarta.interceptor.InvocationContext;
+
+import java.util.logging.Logger; 
+
+@Interceptor // Declare as an interceptor
+public class LoggingInterceptor {
+
+    private static final Logger LOGGER = Logger.getLogger(LoggingInterceptor.class.getName());
+
+    @AroundInvoke // Method to execute around the intercepted method
+    public Object logMethodInvocation(InvocationContext ctx) throws Exception {
+        LOGGER.info( "Entering method: " + ctx.getMethod().getName());
+
+        Object result = ctx.proceed(); // Proceed to the original method
+
+        LOGGER.info("Exiting method: " + ctx.getMethod().getName());
+        return result;
+    }
+}

code/chapter03/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/ProductRestApplication.java

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+package io.microprofile.tutorial.store.product;
+
+import jakarta.ws.rs.ApplicationPath;
+import jakarta.ws.rs.core.Application;
+
+@ApplicationPath("/api")
+public class ProductRestApplication extends Application{
+
+}

code/chapter03/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/entity/Product.java

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+package io.microprofile.tutorial.store.product.entity;
+
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.Id;
+import jakarta.persistence.NamedQuery;
+import jakarta.persistence.Table;
+import jakarta.validation.constraints.NotNull;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Table(name = "Product")
+@NamedQuery(name = "Product.findAllProducts", query = "SELECT p FROM Product p")
+@NamedQuery(name = "Product.findProductById", query = "SELECT p FROM Product p WHERE p.id = :id")
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class Product {
+
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    @NotNull
+    private String name;
+
+    @NotNull
+    private String description;
+
+    @NotNull
+    private Double price;
+}

code/chapter03/mp-ecomm-store/src/main/java/io/microprofile/tutorial/store/product/repository/ProductRepository.java

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+package io.microprofile.tutorial.store.product.repository;
+
+import java.util.List;
+
+import io.microprofile.tutorial.store.product.entity.Product;
+import jakarta.enterprise.context.RequestScoped;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+
+@RequestScoped
+public class ProductRepository {
+
+    // tag::PersistenceContext[]
+    @PersistenceContext(unitName = "product-unit")
+    // end::PersistenceContext[]
+    private EntityManager em;
+
+    // tag::createProduct[]
+    public void createProduct(Product product) {
+        em.persist(product);
+    }
+
+    public Product updateProduct(Product product) {
+        return em.merge(product);
+    }
+
+    public void deleteProduct(Product product) {
+        em.remove(product);
+    }
+
+    // tag::findAllProducts[]
+    public List<Product> findAllProducts() {
+        return em.createNamedQuery("Product.findAllProducts", 
+        Product.class).getResultList();
+    }
+
+    public Product findProductById(Long id) {
+        return em.find(Product.class, id);
+    }
+
+    public List<Product> findProduct(String name, String description, Double price) {
+        return em.createNamedQuery("Event.findProduct", Product.class)
+            .setParameter("name", name)
+            .setParameter("description", description)
+            .setParameter("price", price).getResultList();
+    }
+
+}