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jersey-service/.gitignore

+target/

jersey-service/pom.xml

+<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/maven-v4_0_0.xsd">
+
+    <modelVersion>4.0.0</modelVersion>
+
+    <groupId>fil.sr2.flopbox</groupId>
+    <artifactId>jersey-service</artifactId>
+    <packaging>jar</packaging>
+    <version>1.0-SNAPSHOT</version>
+    <name>jersey-service</name>
+
+    <dependencyManagement>
+        <dependencies>
+            <dependency>
+                <groupId>org.glassfish.jersey</groupId>
+                <artifactId>jersey-bom</artifactId>
+                <version>${jersey.version}</version>
+                <type>pom</type>
+                <scope>import</scope>
+            </dependency>
+        </dependencies>
+    </dependencyManagement>
+
+    <dependencies>
+        <dependency>
+            <groupId>org.glassfish.jersey.containers</groupId>
+            <artifactId>jersey-container-grizzly2-http</artifactId>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.inject</groupId>
+            <artifactId>jersey-hk2</artifactId>
+        </dependency>
+
+        <!-- uncomment this to get JSON support:
+         <dependency>
+            <groupId>org.glassfish.jersey.media</groupId>
+            <artifactId>jersey-media-json-binding</artifactId>
+        </dependency>
+        -->
+        <dependency>
+            <groupId>junit</groupId>
+            <artifactId>junit</artifactId>
+            <version>4.12</version>
+            <scope>test</scope>
+        </dependency>
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.apache.maven.plugins</groupId>
+                <artifactId>maven-compiler-plugin</artifactId>
+                <version>3.8.1</version>
+                <inherited>true</inherited>
+                <configuration>
+                    <source>1.8</source>
+                    <target>1.8</target>
+                </configuration>
+            </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <version>1.2.1</version>
+                <executions>
+                    <execution>
+                        <goals>
+                            <goal>java</goal>
+                        </goals>
+                    </execution>
+                </executions>
+                <configuration>
+                    <mainClass>fil.sr2.flopbox.Main</mainClass>
+                </configuration>
+            </plugin>
+        </plugins>
+    </build>
+
+    <properties>
+        <jersey.version>3.0.2</jersey.version>
+        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+    </properties>
+</project>

jersey-service/src/main/java/fil/sr2/flopbox/Main.java

+package fil.sr2.flopbox;
+
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
+import org.glassfish.jersey.server.ResourceConfig;
+
+import java.io.IOException;
+import java.net.URI;
+
+/**
+ * Main class.
+ *
+ */
+public class Main {
+    // Base URI the Grizzly HTTP server will listen on
+    public static final String BASE_URI = "http://localhost:8080/";
+
+    /**
+     * Starts Grizzly HTTP server exposing JAX-RS resources defined in this application.
+     * @return Grizzly HTTP server.
+     */
+    public static HttpServer startServer() {
+        // create a resource config that scans for JAX-RS resources and providers
+        // in fil.sr2.flopbox package
+        final ResourceConfig rc = new ResourceConfig().packages("fil.sr2.flopbox");
+
+        // create and start a new instance of grizzly http server
+        // exposing the Jersey application at BASE_URI
+        return GrizzlyHttpServerFactory.createHttpServer(URI.create(BASE_URI), rc);
+    }
+
+    /**
+     * Main method.
+     * @param args
+     * @throws IOException
+     */
+    public static void main(String[] args) throws IOException {
+        final HttpServer server = startServer();
+        System.out.println(String.format("Jersey app started with endpoints available at "
+                + "%s%nHit Ctrl-C to stop it...", BASE_URI));
+        System.in.read();
+        server.stop();
+    }
+}

jersey-service/src/main/java/fil/sr2/flopbox/MyResource.java

+package fil.sr2.flopbox;
+
+import jakarta.ws.rs.GET;
+import jakarta.ws.rs.Path;
+import jakarta.ws.rs.Produces;
+import jakarta.ws.rs.core.MediaType;
+
+/**
+ * Root resource (exposed at "myresource" path)
+ */
+@Path("myresource")
+public class MyResource {
+
+    /**
+     * Method handling HTTP GET requests. The returned object will be sent
+     * to the client as "text/plain" media type.
+     *
+     * @return String that will be returned as a text/plain response.
+     */
+    @GET
+    @Produces(MediaType.TEXT_PLAIN)
+    public String getIt() {
+        return "Got it!";
+    }
+}

jersey-service/src/test/java/fil/sr2/flopbox/MyResourceTest.java

+package fil.sr2.flopbox;
+
+import jakarta.ws.rs.client.Client;
+import jakarta.ws.rs.client.ClientBuilder;
+import jakarta.ws.rs.client.WebTarget;
+
+import org.glassfish.grizzly.http.server.HttpServer;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.assertEquals;
+
+public class MyResourceTest {
+
+    private HttpServer server;
+    private WebTarget target;
+
+    @Before
+    public void setUp() throws Exception {
+        // start the server
+        server = Main.startServer();
+        // create the client
+        Client c = ClientBuilder.newClient();
+
+        // uncomment the following line if you want to enable
+        // support for JSON in the client (you also have to uncomment
+        // dependency on jersey-media-json module in pom.xml and Main.startServer())
+        // --
+        // c.configuration().enable(new org.glassfish.jersey.media.json.JsonJaxbFeature());
+
+        target = c.target(Main.BASE_URI);
+    }
+
+    @After
+    public void tearDown() throws Exception {
+        server.stop();
+    }
+
+    /**
+     * Test to see that the message "Got it!" is sent in the response.
+     */
+    @Test
+    public void testGetIt() {
+        String responseMsg = target.path("myresource").request().get(String.class);
+        assertEquals("Got it!", responseMsg);
+    }
+}