Added dependencies and TaskService

Author: edysegura

build.gradle

@@ -27,7 +27,11 @@ dependencies {
 
 	// Java Servlet
 	providedCompile "javax.servlet:servlet-api:2.5"
-		
+
+    // Jersey
+    compile 'org.glassfish.jersey.containers:jersey-container-servlet:2.14'
+    compile 'org.glassfish.jersey.media:jersey-media-json-jackson:2.14'
+
     // Declare the dependency for your favourite test framework you want to use in your tests.
     // TestNG is also supported by the Gradle Test task. Just change the
     // testCompile dependency to testCompile 'org.testng:testng:6.8.1' and add

src/main/java/br/edu/inatel/task/api/TaskService.java

@@ -0,0 +1,27 @@
+package br.edu.inatel.task.api;
+
+import br.edu.inatel.task.model.Task;
+import br.edu.inatel.task.model.TaskDAO;
+
+import javax.ws.rs.GET;
+import javax.ws.rs.Path;
+import javax.ws.rs.Produces;
+import javax.ws.rs.core.MediaType;
+import javax.ws.rs.core.Response;
+import java.util.ArrayList;
+
+@Path("/tasks")
+public class TaskService {
+
+    TaskDAO taskDAO = new TaskDAO();
+
+    @GET
+    @Produces(MediaType.APPLICATION_JSON)
+    public Response list() {
+        ArrayList<Task> tasks = taskDAO.list();
+        return Response
+                .ok()
+                .entity(tasks)
+                .build();
+    }
+}