Spring MVC practice

1-0-networking-and-http/1-0-0-hello-network-socket/src/main/java/com/bobocode/net/client/ClientUtil.java

@@ -24,7 +24,7 @@ private ClientUtil() {
      */
     @SneakyThrows
     public static Socket openSocket(String host, int port) {
-        throw new ExerciseNotCompletedException(); // todo: implement according to javadoc and verify by ClientUtilTest
+        return new Socket(host, port);
     }
 
     /**
@@ -62,6 +62,8 @@ public static String readMessage(BufferedReader reader) {
      */
     @SneakyThrows
     public static void writeToSocket(String message, Socket socket) {
-        throw new ExerciseNotCompletedException(); // todo: implement according to javadoc and verify by ClientUtilTest
+        BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
+        writer.write(message);
+        writer.flush();
     }
 }

1-0-networking-and-http/1-0-0-hello-network-socket/src/main/java/com/bobocode/net/server/ServerUtil.java

@@ -41,7 +41,7 @@ public static String getLocalHost() {
      */
     @SneakyThrows
     public static ServerSocket createServerSocket(int port) {
-        throw new ExerciseNotCompletedException(); // todo: implement according to javadoc and verify by ServerUtilTest
+        return new ServerSocket(port);
     }
 
     /**
@@ -52,7 +52,7 @@ public static ServerSocket createServerSocket(int port) {
      */
     @SneakyThrows
     public static Socket acceptClientSocket(ServerSocket serverSocket) {
-        throw new ExerciseNotCompletedException(); // todo: implement according to javadoc and verify by ServerUtilTest
+        return  serverSocket.accept();
     }
 
     /**
@@ -66,7 +66,8 @@ public static Socket acceptClientSocket(ServerSocket serverSocket) {
      */
     @SneakyThrows
     public static String readMessageFromSocket(Socket socket) {
-        throw new ExerciseNotCompletedException(); // todo: implement according to javadoc and verify by ServerUtilTest
+        BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(socket.getInputStream()));
+        return bufferedReader.readLine();
     }
 
     /**

2-0-servlet-api/2-0-1-hello-servlet-api/src/main/java/com/bobocode/servlet/DateServlet.java

@@ -0,0 +1,21 @@
+package com.bobocode.servlet;
+
+import jakarta.servlet.ServletException;
+import jakarta.servlet.annotation.WebServlet;
+import jakarta.servlet.http.HttpServlet;
+import jakarta.servlet.http.HttpServletRequest;
+import jakarta.servlet.http.HttpServletResponse;
+
+import java.io.IOException;
+import java.time.LocalDate;
+
+@WebServlet("/date")
+public class DateServlet extends HttpServlet {
+
+    @Override
+    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
+        var writer = resp.getWriter();
+        var date =  LocalDate.now();
+        writer.println(date);
+    }
+}

3-0-spring-framework/3-0-0-hello-spring-framework/src/main/java/com/bobocode/config/ApplicationConfig.java

@@ -1,16 +1,40 @@
 package com.bobocode.config;
 
 import com.bobocode.TestDataGenerator;
+import com.bobocode.dao.AccountDao;
+import com.bobocode.dao.FakeAccountDao;
+import com.bobocode.model.Account;
+import com.bobocode.service.AccountService;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+
+import java.util.List;
 
 /**
  * This class specifies application context configuration. It tells Spring to scan "dao" and "service" packages in order
- * to find and create instances for {@link com.bobocode.dao.FakeAccountDao} and
- * {@link com.bobocode.service.AccountService}.
+ * to find and create instances for {@link FakeAccountDao} and
+ * {@link AccountService}.
  * <p>
  * It also explicitly configures a bean of {@link TestDataGenerator} called "dataGenerator". This beans will be injected
- * into {@link com.bobocode.dao.FakeAccountDao} in order to generate some fake accounts.
+ * into {@link FakeAccountDao} in order to generate some fake accounts.
  */
+@Configuration
+@ComponentScan(basePackages = {"com.bobocode.dao", "com.bobocode.service"})
 public class ApplicationConfig {
-    // todo: configure application context according to javadoc by following tests in ApplicationConfigTest
-    // todo: verify final implementation by running ApplicationContextTest
+    @Bean
+    public TestDataGenerator dataGenerator() {
+        return new TestDataGenerator();
+    }
+
+    @Bean
+    public AccountDao accountDao() {
+        return new FakeAccountDao(dataGenerator());
+    }
+
+    @Bean
+    public AccountService accountService() {
+        return new AccountService(accountDao());
+    }
+
 }

3-0-spring-framework/3-0-0-hello-spring-framework/src/main/java/com/bobocode/dao/FakeAccountDao.java

@@ -2,6 +2,8 @@
 
 import com.bobocode.TestDataGenerator;
 import com.bobocode.model.Account;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 import java.util.stream.Stream;
@@ -16,9 +18,11 @@
  * Its bean is called "accountDao". And it uses constructor with explicit autowired annotation in order to inject
  * {@link TestDataGenerator} instance.
  */
+@Component("accountDao")
 public class FakeAccountDao implements AccountDao {
     private List<Account> accounts;
 
+    @Autowired
     public FakeAccountDao(TestDataGenerator testDataGenerator) {
         this.accounts = Stream.generate(testDataGenerator::generateAccount)
                 .limit(20)

3-0-spring-framework/3-0-0-hello-spring-framework/src/main/java/com/bobocode/service/AccountService.java

@@ -2,6 +2,8 @@
 
 import com.bobocode.dao.AccountDao;
 import com.bobocode.model.Account;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
 
 import static java.util.Comparator.comparing;
 
@@ -12,6 +14,7 @@
  * Since it's a service that should be added to the application context, it is marked as Spring service. It order to get
  * {@link AccountDao} instances, it uses implicit constructor-based injection.
  */
+@Service
 public class AccountService {
     private final AccountDao accountDao;
 

3-0-spring-framework/3-0-0-hello-spring-framework/src/test/java/com/bobocode/ApplicationContextTest.java

@@ -32,7 +32,6 @@ static class TestConfig {
     @DisplayName("DataGenerator has only one bean")
     void dataGeneratorHasOnlyOneBean() {
         Map<String, TestDataGenerator> testDataGeneratorMap = applicationContext.getBeansOfType(TestDataGenerator.class);
-
         assertThat(testDataGeneratorMap.size()).isEqualTo(1);
     }
 

3-0-spring-framework/3-0-1-hello-spring-mvc/src/main/java/com/bobocode/mvc/api/NoteRestController.java

@@ -1,7 +1,15 @@
 package com.bobocode.mvc.api;
 
 import com.bobocode.mvc.data.Notes;
+import com.bobocode.mvc.model.Note;
 import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+import java.util.List;
 
 /**
  * This controller provides a very simple REST API for Notes. It implements two endpoints that allow you to add
@@ -19,8 +27,21 @@
  * via models, like in {@link com.bobocode.mvc.controller.NoteController}
  */
 @RequiredArgsConstructor
+@RestController
+@RequestMapping("/api/notes")
 public class NoteRestController {
     private final Notes notes;
 
-    // TODO: implement controller methods according to the javadoc verify your impl using NoteRestControllerTest
+    @GetMapping()
+    public List<Note> getNote() {
+        return notes.getAll();
+    }
+
+    @PostMapping
+    public void addNote(@RequestBody Note note) {
+        if(note.getId() == null) {
+
+        }
+        notes.add(note);
+    }
 }

3-0-spring-framework/3-0-1-hello-spring-mvc/src/main/java/com/bobocode/mvc/api/api-notes.http

@@ -0,0 +1,11 @@
+
+GET http://localhost:8080/api/notes
+###
+
+POST http://localhost:8080/api/notes
+Content-Type: application/json
+
+{
+  "title": "New Note",
+  "text": "This is a new note."
+}

3-0-spring-framework/3-0-1-hello-spring-mvc/src/main/java/com/bobocode/mvc/controller/NoteController.java

@@ -1,7 +1,15 @@
 package com.bobocode.mvc.controller;
 
 import com.bobocode.mvc.data.Notes;
+import com.bobocode.mvc.model.Note;
 import lombok.RequiredArgsConstructor;
+import org.springframework.boot.Banner;
+import org.springframework.stereotype.Controller;
+import org.springframework.test.web.servlet.MockMvc;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.ui.Model;
 
 /**
  * {@link NoteController} is a typical controller that powers Spring MVC Notes application. This application provides
@@ -10,7 +18,7 @@
  * is already provided as a field of class {@link Notes}. The base URL is `/notes`.
  * <p>
  * This controller handles the HTTP GET request that should list all notes. In order to do that, it fetches the list
- * of notes, adds that list as an attribute to the {@link org.springframework.ui.Model}, and returns a corresponding view.
+ * of notes, adds that list as an attribute to the {@link Model}, and returns a corresponding view.
  * The view (which is Thymeleaf HTML template) expects to receive an attribute called `noteList`.
  * In classical Spring MVC, controller methods return a string value which stores a view name.
  * A {@link org.springframework.web.servlet.ViewResolver} is already configured to look for an HTML template in
@@ -27,9 +35,22 @@
  * the same controller will look like {@link com.bobocode.mvc.api.NoteRestController}
  */
 @RequiredArgsConstructor
+@Controller
+@RequestMapping("/notes")
 public class NoteController {
     private final Notes notes;
 
-    // TODO: implement controller methods according to the javadoc and verify your impl using NoteControllerTest
+
+    @GetMapping()
+    public String getNotes(Model model){
+        model.addAttribute("noteList", notes.getAll());
+        return "notes";
+    }
+
+    @PostMapping
+    public String addNote(Note note){
+        notes.add(note);
+       return  "redirect:/notes";
+    }
 
 }

3-0-spring-framework/3-1-1-dispatcher-servlet-initializer/src/main/java/com/bobocode/config/RootConfig.java

@@ -1,8 +1,10 @@
 package com.bobocode.config;
 
+import net.bytebuddy.implementation.bind.annotation.IgnoreForBinding;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.ComponentScan.Filter;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.FilterType;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
@@ -15,5 +17,18 @@
  * todo: enable component scanning for all packages in "com.bobocode"
  * todo: ignore all web related config and beans (ignore @{@link Controller}, ignore {@link EnableWebMvc}) using exclude filter
  */
+@Configuration
+@ComponentScan(basePackages = "com.bobocode",
+        excludeFilters = {
+                @Filter(
+                        type = FilterType.ANNOTATION,
+                        classes = EnableWebMvc.class
+                ),
+                @Filter(
+                        type = FilterType.ANNOTATION,
+                        classes = Controller.class
+                )
+        })
 public class RootConfig {
+
 }

3-0-spring-framework/3-1-1-dispatcher-servlet-initializer/src/main/java/com/bobocode/config/WebAppInitializer.java

@@ -1,6 +1,5 @@
 package com.bobocode.config;
 
-import com.bobocode.util.ExerciseNotCompletedException;
 import org.springframework.web.servlet.support.AbstractAnnotationConfigDispatcherServletInitializer;
 
 /**
@@ -9,16 +8,16 @@
 public class WebAppInitializer extends AbstractAnnotationConfigDispatcherServletInitializer {
     @Override
     protected Class<?>[] getRootConfigClasses() {
-        throw new ExerciseNotCompletedException(); //todo: use {@link RootConfig} as root application config class
+        return new Class<?>[]{RootConfig.class};
     }
 
     @Override
     protected Class<?>[] getServletConfigClasses() {
-        throw new ExerciseNotCompletedException(); //todo: use {@link WebConfig} as ServletConfig class
+        return new Class<?>[]{WebConfig.class};
     }
 
     @Override
     protected String[] getServletMappings() {
-        throw new ExerciseNotCompletedException(); //todo: provide default servlet mapping ("/")
+        return new String[]{"/"};
     }
 }

3-0-spring-framework/3-1-1-dispatcher-servlet-initializer/src/main/java/com/bobocode/config/WebConfig.java

@@ -14,5 +14,8 @@
  * todo: enable component scanning for package "web"
  */
 
+@Configuration
+@ComponentScan(basePackages = "com.bobocode.web")
+@EnableWebMvc
 public class WebConfig {
 }

3-0-spring-framework/3-1-1-dispatcher-servlet-initializer/src/main/java/com/bobocode/web/controller/WelcomeController.java

@@ -1,5 +1,9 @@
 package com.bobocode.web.controller;
 
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
 /**
  * Welcome controller that consists of one method that handles get request to "/welcome" and respond with a message.
  * <p>
@@ -8,8 +12,11 @@
  * todo: tell Spring that {@link WelcomeController#welcome()} method provides response body without view
  */
 
+@Controller
 public class WelcomeController {
 
+    @GetMapping("/welcome")
+    @ResponseBody
     public String welcome() {
         return "Welcome to Spring MVC!";
     }

3-0-spring-framework/3-1-1-dispatcher-servlet-initializer/src/test/java/com/bobocode/WebAppConfigurationTest.java

@@ -13,6 +13,8 @@
 import org.springframework.web.bind.annotation.ResponseBody;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
+import java.util.ArrayList;
+import java.util.Arrays;
 import java.util.List;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
@@ -170,6 +172,6 @@ void welcomeControllerMethodIsMarkedAsResponseBody() throws NoSuchMethodExceptio
     }
 
     private List<Class> getFilteredClasses(Filter[] filters) {
-        return Stream.of(filters).flatMap(filter -> Stream.of(filter.value())).collect(Collectors.toList());
+        return Stream.of(filters).flatMap(filter -> Stream.of(filter.classes())).collect(Collectors.toList());
     }
 }

3-0-spring-framework/3-2-1-account-rest-api/src/main/java/com/bobocode/config/RootConfig.java

@@ -1,5 +1,8 @@
 package com.bobocode.config;
 
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.FilterType;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
@@ -10,5 +13,17 @@
  * todo: 2. Enable component scanning for all packages in "com.bobocode" using annotation property "basePackages"
  * todo: 3. Exclude web related config and beans (ignore @{@link Controller}, ignore {@link EnableWebMvc})
  */
+@Configuration
+@ComponentScan(basePackages = "com.bobocode",
+        excludeFilters = {
+                @ComponentScan.Filter(
+                        type = FilterType.ANNOTATION,
+                        classes = Controller.class
+                ),
+                @ComponentScan.Filter(
+                        type = FilterType.ANNOTATION,
+                        classes = EnableWebMvc.class
+                )
+        })
 public class RootConfig {
 }