Final Commit!

pom.xml

@@ -6,10 +6,34 @@
 	<groupId>com.epam.edu</groupId>
 	<artifactId>spring-core-template</artifactId>
 	<version>0.0.1-SNAPSHOT</version>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context</artifactId>
+			<version>5.2.1.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-context-support</artifactId>
+			<version>5.2.1.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework</groupId>
+			<artifactId>spring-test</artifactId>
+			<version>5.2.1.RELEASE</version>
+		</dependency>
+		<dependency>
+			<groupId>junit</groupId>
+			<artifactId>junit</artifactId>
+			<version>4.13</version>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
 
 	<properties>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>
 	</properties>
+
 
 </project>

src/main/java/com/epam/edu/spring/core/template/SpringCoreTemplate.java

@@ -1,8 +1,22 @@
 package com.epam.edu.spring.core.template;
 
+import com.epam.edu.spring.core.template.configuration.MainConfiguration;
+
+
+import com.epam.edu.spring.core.template.validator.SimpleItemValidator;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+
 public class SpringCoreTemplate {
 
+
+
 	public static void main(String[] args) {
+		AnnotationConfigApplicationContext annotationConfigApplicationContext = new AnnotationConfigApplicationContext(MainConfiguration.class);
+		ApplicationContext applicationContext = annotationConfigApplicationContext;
+		applicationContext.getBean(SimpleItemValidator.class);
+
 
 	}
 

src/main/java/com/epam/edu/spring/core/template/configuration/InitializerConfiguration.java

@@ -1,4 +1,19 @@
 package com.epam.edu.spring.core.template.configuration;
 
+
+import com.epam.edu.spring.core.template.entity.FactoryColor;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+import org.springframework.context.annotation.Scope;
+
+@Configuration
 public class InitializerConfiguration {
+    @Lazy
+    @Bean
+    @Scope("prototype")
+    public FactoryColor factoryColor() {
+        return new FactoryColor();
+    }
 }
+

src/main/java/com/epam/edu/spring/core/template/configuration/MainConfiguration.java

@@ -1,4 +1,11 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Import;
+
+@Configuration
+@ComponentScan("com.epam.edu.spring.core.template")
+@Import({RepositoryConfiguration.class, InitializerConfiguration.class})
 public class MainConfiguration {
 }

src/main/java/com/epam/edu/spring/core/template/configuration/RepositoryConfiguration.java

@@ -1,4 +1,41 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.repository.ArrayListItemRepository;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+import com.epam.edu.spring.core.template.repository.LinkedListItemRepository;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.PropertySource;
+
+
+import java.util.ArrayList;
+import java.util.LinkedList;
+
+@Configuration
+@PropertySource(value = "classpath:application.properties")
 public class RepositoryConfiguration {
+    @Value(value = "${item.repository.implementation}")
+    String implementationType;
+
+    @Bean
+    public ItemRepository itemRepository() {
+        if (implementationType.equals("linked")) {
+            return linkedListItemRepository();
+        } else {
+            return arrayListItemRepository();
+        }
+    }
+
+    @Bean
+    public LinkedListItemRepository linkedListItemRepository() {
+        return new LinkedListItemRepository(new LinkedList<>());
+    }
+
+    @Bean
+    public ArrayListItemRepository arrayListItemRepository() {
+        return new ArrayListItemRepository(new ArrayList<>());
+    }
 }
+

src/main/java/com/epam/edu/spring/core/template/entity/Color.java

@@ -1,5 +1,13 @@
 package com.epam.edu.spring.core.template.entity;
 
 public enum Color {
-
+    YELLOW,
+    GREEN,
+    BLACK,
+    WHITE,
+    RED,
+    ORANGE,
+    BLUE,
+    BROWN,
+    PINK
 }

src/main/java/com/epam/edu/spring/core/template/entity/FactoryColor.java

@@ -0,0 +1,29 @@
+package com.epam.edu.spring.core.template.entity;
+
+import org.springframework.beans.factory.FactoryBean;
+import org.springframework.stereotype.Component;
+
+import java.util.Random;
+
+@Component
+public class FactoryColor implements FactoryBean {
+    public Color getColor() throws Exception {
+        return getObject();
+    }
+
+
+    @Override
+    public Color getObject() {
+        return Color.values()[new Random().nextInt(Color.values().length)];
+    }
+
+    @Override
+    public Class<Color> getObjectType() {
+        return Color.class;
+    }
+
+    @Override
+    public boolean isSingleton() {
+        return false;
+    }
+}

src/main/java/com/epam/edu/spring/core/template/repository/AbstractRepository.java

@@ -17,4 +17,5 @@ public abstract class AbstractRepository<T> {
 
     abstract void setHolder();
 
+
 }

src/main/java/com/epam/edu/spring/core/template/repository/ArrayListItemRepository.java

@@ -1,28 +1,52 @@
 package com.epam.edu.spring.core.template.repository;
 
 import com.epam.edu.spring.core.template.entity.Item;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.PropertySource;
+
+import java.util.ArrayList;
 
 /**
  * Репозиторий, основанный на классе ArrayList.
  * initialSequence должен браться из application.properties
  */
+
+@PropertySource(value = "classpath:application.properties")
 public class ArrayListItemRepository extends AbstractRepository<Item> implements ItemRepository {
+    public ArrayListItemRepository(ArrayList<Item> itemArrayList) {
+        this.itemArrayList = itemArrayList;
+    }
+
+    private ArrayList<Item> itemArrayList;
+
+
+    private int initialSequence;
 
     @Override
     public Item getById(long id) {
+        for (Item i : itemArrayList) {
+            if (i.getId() == id) {
+                return i;
+            }
+        }
         return null;
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return itemArrayList.add(item);
     }
 
+    @Override
+    @Value(value = "${initial.sequence}")
     void setInitialSequence(int val) {
-        //TODO
+        this.initialSequence = val;
     }
 
+
+    @Override
     void setHolder() {
-        //TODO
+        holder = this.itemArrayList;
     }
-}
+
+}

src/main/java/com/epam/edu/spring/core/template/repository/LinkedListItemRepository.java

@@ -2,27 +2,46 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 
+
+import java.util.LinkedList;
+import java.util.Random;
+
 /**
  * Репозиторий, основанный на классе LinkedList.
  * initialSequence должен случайно генерироваться из диапазона от 1 до 100
  */
 public class LinkedListItemRepository extends AbstractRepository<Item> implements ItemRepository {
 
+    public LinkedListItemRepository(LinkedList<Item> itemLinkedList) {
+        this.itemLinkedList = itemLinkedList;
+    }
+
+    private LinkedList<Item> itemLinkedList;
+    int initialSequence;
+
     @Override
     public Item getById(long id) {
+        for (Item i : itemLinkedList) {
+            if (i.getId() == id) {
+                return i;
+            }
+        }
         return null;
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return itemLinkedList.add(item);
     }
 
-    void setInitialSequence(int val) {
-        //TODO
+
+    public void setInitialSequence(int val) {
+        Random random = new Random(val);
+        this.initialSequence = random.nextInt(100);
     }
 
+
     void setHolder() {
-        //TODO
+        holder = this.itemLinkedList;
     }
 }

src/main/java/com/epam/edu/spring/core/template/service/SimpleItemService.java

@@ -3,19 +3,46 @@
 import com.epam.edu.spring.core.template.entity.Item;
 import com.epam.edu.spring.core.template.repository.ItemRepository;
 import com.epam.edu.spring.core.template.validator.ItemValidator;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 
+
+@Component
 public class SimpleItemService implements ItemService {
 
     private ItemRepository itemRepository;
+
     private ItemValidator itemValidator;
 
+    @Autowired
+    public SimpleItemService(ItemRepository itemRepository, ItemValidator itemValidator) {
+        this.itemRepository = itemRepository;
+        this.itemValidator = itemValidator;
+    }
+
+    @Autowired
+    public void setItemRepository(ItemRepository itemRepository) {
+        this.itemRepository = itemRepository;
+    }
+
+    @Autowired
+    public void setItemValidator(ItemValidator itemValidator) {
+        this.itemValidator = itemValidator;
+    }
+
+
     @Override
-    public Item getById(long id) {
-        return null;
+    public Item getById(long id) {return itemRepository.getById(id);
+    }
+
+    public ItemRepository getItemRepository() {
+        return itemRepository;
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return itemRepository.createItem(item);
     }
+
+
 }

src/main/java/com/epam/edu/spring/core/template/validator/SimpleItemValidator.java

@@ -1,11 +1,13 @@
 package com.epam.edu.spring.core.template.validator;
 
 import com.epam.edu.spring.core.template.entity.Item;
+import org.springframework.stereotype.Component;
 
+@Component
 public class SimpleItemValidator implements ItemValidator {
 
     @Override
     public boolean isItemValid(Item item) {
-        return false;
+        return item != null;
     }
 }