BAEL-1552 - Jersey MVC Support

jersey/pom.xml

@@ -29,6 +29,28 @@
             <artifactId>jaxrs-ri</artifactId>
             <version>${jersey.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.containers</groupId>
+            <artifactId>jersey-container-grizzly2-servlet</artifactId>
+             <version>${jersey.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.ext</groupId>
+            <artifactId>jersey-mvc-freemarker</artifactId>
+            <version>${jersey.version}</version>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.test-framework</groupId>
+            <artifactId>jersey-test-framework-core</artifactId>
+            <version>${jersey.version}</version>
+            <scope>test</scope>
+        </dependency>
+        <dependency>
+            <groupId>org.glassfish.jersey.test-framework.providers</groupId>
+            <artifactId>jersey-test-framework-provider-grizzly2</artifactId>
+            <version>${jersey.version}</version>
+            <scope>test</scope>
+        </dependency>
     </dependencies>
 
     <build>
@@ -41,6 +63,13 @@
                     <failOnMissingWebXml>false</failOnMissingWebXml>
                 </configuration>
             </plugin>
+            <plugin>
+                <groupId>org.codehaus.mojo</groupId>
+                <artifactId>exec-maven-plugin</artifactId>
+                <configuration>
+                    <mainClass>com.baeldung.jersey.server.http.EmbeddedHttpServer</mainClass>
+                </configuration>
+            </plugin>
         </plugins>
     </build>
 

jersey/src/main/java/com/baeldung/jersey/server/config/ViewApplicationConfig.java

@@ -0,0 +1,14 @@
+package com.baeldung.jersey.server.config;
+
+import org.glassfish.jersey.server.ResourceConfig;
+import org.glassfish.jersey.server.mvc.freemarker.FreemarkerMvcFeature;
+
+public class ViewApplicationConfig extends ResourceConfig {
+    
+    public ViewApplicationConfig() {
+        packages("com.baeldung.jersey.server");
+        property(FreemarkerMvcFeature.TEMPLATE_BASE_PATH, "templates/freemarker");
+        register(FreemarkerMvcFeature.class);;
+    }
+
+}

jersey/src/main/java/com/baeldung/jersey/server/http/EmbeddedHttpServer.java

@@ -0,0 +1,35 @@
+package com.baeldung.jersey.server.http;
+
+import java.io.IOException;
+import java.net.URI;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import org.glassfish.grizzly.http.server.HttpServer;
+import org.glassfish.jersey.grizzly2.httpserver.GrizzlyHttpServerFactory;
+
+import com.baeldung.jersey.server.config.ViewApplicationConfig;
+
+public class EmbeddedHttpServer {
+
+    private static final URI BASE_URI = URI.create("http://localhost:8082/");
+
+    public static void main(String[] args) {
+        try {
+            final HttpServer server = GrizzlyHttpServerFactory.createHttpServer(BASE_URI, new ViewApplicationConfig(), false);
+
+            Runtime.getRuntime()
+                .addShutdownHook(new Thread(() -> {
+                    server.shutdownNow();
+                }));
+
+            server.start();
+
+            System.out.println(String.format("Application started.\nTry out %s\nStop the application using CTRL+C", BASE_URI + "fruit"));
+        } catch (IOException ex) {
+            Logger.getLogger(EmbeddedHttpServer.class.getName())
+                .log(Level.SEVERE, null, ex);
+        }
+
+    }
+}

jersey/src/main/java/com/baeldung/jersey/server/model/Fruit.java

@@ -0,0 +1,23 @@
+package com.baeldung.jersey.server.model;
+
+public class Fruit {
+
+    private final String name;
+    private final String colour;
+
+    public Fruit(String name, String colour) {
+        this.name = name;
+        this.colour = colour;
+    }
+    
+    public String getName() {
+        return name;
+    }
+
+    public String getColour() {
+        return colour;
+    }
+
+    
+
+}

jersey/src/main/java/com/baeldung/jersey/server/rest/FruitResource.java

@@ -0,0 +1,55 @@
+package com.baeldung.jersey.server.rest;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.PathParam;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+
+import org.glassfish.jersey.server.mvc.ErrorTemplate;
+import org.glassfish.jersey.server.mvc.Template;
+import org.glassfish.jersey.server.mvc.Viewable;
+
+import com.baeldung.jersey.server.model.Fruit;
+
+@Path("/fruit")
+public class FruitResource {
+
+    @GET
+    public Viewable get() {
+        return new Viewable("/index.ftl", "Fruit Index Page");
+    }
+
+    @GET
+    @Template(name = "/all.ftl")
+    @Path("/all")
+    @Produces(MediaType.TEXT_HTML)
+    public Map<String, Object> getAllFruit() {
+        final List<Fruit> fruits = new ArrayList<>();
+        fruits.add(new Fruit("banana", "yellow"));
+        fruits.add(new Fruit("apple", "red"));
+        fruits.add(new Fruit("kiwi", "green"));
+
+        final Map<String, Object> model = new HashMap<String, Object>();
+        model.put("items", fruits);
+        return model;
+    }
+
+    @GET
+    @ErrorTemplate(name = "/error.ftl")
+    @Template(name = "/named.ftl")
+    @Path("{name}")
+    @Produces(MediaType.TEXT_HTML)
+    public String getFruitByName(@PathParam("name") String name) {
+        if (!"banana".equalsIgnoreCase(name)) {
+            throw new IllegalArgumentException("Fruit not found: " + name);
+        }
+        return name;
+    }
+
+}

jersey/src/main/resources/templates/freemarker/all.ftl

@@ -0,0 +1,14 @@
+<html>
+    <head>
+      <title>All fruit!</title>
+    </head>
+    <body>
+      <h1>All fruit!</h1>
+      <p>Fruits:</p>
+      <ul>
+		<#list items as fruit>
+			<li>${fruit.name}</li>
+		</#list>
+	  </ul>	
+    </body>
+</html>

jersey/src/main/resources/templates/freemarker/error.ftl

@@ -0,0 +1,8 @@
+<html>
+    <head>
+      <title>Welcome!</title>
+    </head>
+    <body>
+      <h1>Error -  ${model.message}!</h1>
+    </body>
+</html>

jersey/src/main/resources/templates/freemarker/index.ftl

@@ -0,0 +1,8 @@
+<html>
+    <head>
+      <title>Welcome!</title>
+    </head>
+    <body>
+      <h1>Welcome ${model}!</h1>
+    </body>
+</html>

jersey/src/main/resources/templates/freemarker/named.ftl

@@ -0,0 +1,8 @@
+<html>
+    <head>
+      <title>Welcome!</title>
+    </head>
+    <body>
+      <h1>Found fruit - ${model}!</h1>
+    </body>
+</html>

jersey/src/test/java/com/baeldung/jersey/server/rest/FruitResourceIntegrationTest.java

@@ -0,0 +1,42 @@
+package com.baeldung.jersey.server.rest;
+
+import static org.hamcrest.CoreMatchers.allOf;
+import static org.hamcrest.CoreMatchers.containsString;
+
+import javax.ws.rs.core.Application;
+
+import org.glassfish.jersey.test.JerseyTest;
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.baeldung.jersey.server.config.ViewApplicationConfig;
+
+public class FruitResourceIntegrationTest extends JerseyTest {
+
+    @Override
+    protected Application configure() {
+        return new ViewApplicationConfig();
+    }
+
+    @Test
+    public void testAllFruit() {
+        final String response = target("/fruit/all").request()
+            .get(String.class);
+        Assert.assertThat(response, allOf(containsString("banana"), containsString("apple"), containsString("kiwi")));
+    }
+
+    @Test
+    public void testIndex() {
+        final String response = target("/fruit").request()
+            .get(String.class);
+        Assert.assertThat(response, containsString("Welcome Fruit Index Page!"));
+    }
+
+    @Test
+    public void testErrorTemplate() {
+        final String response = target("/fruit/orange").request()
+            .get(String.class);
+        Assert.assertThat(response, containsString("Error -  Fruit not found: orange!"));
+    }
+
+}