Done task bobocode-projects#1: hello-application-context

Author: Andrii Bobrov

hello-application-context/src/main/java/com/bobocode/config/AppConfig.java

@@ -1,6 +1,9 @@
 package com.bobocode.config;
 
 import com.bobocode.TestDataGenerator;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
 
 /**
  * This class application context configuration.
@@ -10,6 +13,12 @@
  * todo: provide explicit configuration for a bean of type {@link TestDataGenerator} with name "dataGenerator" in this class.
  * todo: Don't specify bean name "dataGenerator" explicitly
  */
+@Configuration
+@ComponentScan(basePackages = {"com.bobocode.service", "com.bobocode.dao"})
 public class AppConfig {
 
+    @Bean
+    public TestDataGenerator dataGenerator() {
+        return new TestDataGenerator();
+    }
 }

hello-application-context/src/main/java/com/bobocode/dao/FakeAccountDao.java

@@ -3,6 +3,7 @@
 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;
@@ -15,9 +16,11 @@
  * todo: configure this class as Spring component with bean name "accountDao"
  * todo: use explicit (with {@link Autowired} annotation) constructor-based dependency injection
  */
+@Component("accountDao")
 public class FakeAccountDao implements AccountDao {
     private List<Account> accounts;
 
+    @Autowired
     public FakeAccountDao(TestDataGenerator testDataGenerator) {
         this.accounts = Stream.generate(testDataGenerator::generateAccount)
                 .limit(20)

hello-application-context/src/main/java/com/bobocode/service/AccountService.java

@@ -2,6 +2,7 @@
 
 import com.bobocode.dao.AccountDao;
 import com.bobocode.model.Account;
+import org.springframework.stereotype.Service;
 
 import java.util.Comparator;
 import java.util.List;
@@ -12,6 +13,7 @@
  * todo: configure {@link AccountService} bean implicitly using special annotation for service classes
  * todo: use implicit constructor-based dependency injection (don't use {@link org.springframework.beans.factory.annotation.Autowired})
  */
+@Service
 public class AccountService {
     private final AccountDao accountDao;