Доработал тесты

pom.xml

@@ -6,7 +6,13 @@
 	<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>
+	</dependencies>
 	<properties>
 		<maven.compiler.source>1.8</maven.compiler.source>
 		<maven.compiler.target>1.8</maven.compiler.target>

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

@@ -1,9 +1,24 @@
 package com.epam.edu.spring.core.template;
 
-public class SpringCoreTemplate {
+import com.epam.edu.spring.core.template.configuration.MainConfiguration;
+import com.epam.edu.spring.core.template.entity.Item;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
 
-	public static void main(String[] args) {
+public class SpringCoreTemplate {
 
-	}
+    public static void main(String[] args) {
+        AnnotationConfigApplicationContext ctx = new AnnotationConfigApplicationContext(MainConfiguration.class);
+        ItemRepository repository = ctx.getBean(ItemRepository.class);
+        System.out.println("All items:");
+        for (Item item : repository.getList()) {
+            System.out.println(item.getName() + " " + item.getColor() + " " + item.getPrice());
+        }
+        double absoluteCost = 0;
+        for (Item item : repository.getList()) {
+            absoluteCost += item.getPrice();
+        }
+        System.out.println("\nTotal cost: " + absoluteCost);
+    }
 
 }

src/main/java/com/epam/edu/spring/core/template/annotation/InjectRandomInt.java

@@ -1,4 +1,14 @@
 package com.epam.edu.spring.core.template.annotation;
 
+import java.lang.annotation.ElementType;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
+import java.lang.annotation.Target;
+
+@Retention(RetentionPolicy.RUNTIME)
+@Target({ElementType.FIELD, ElementType.LOCAL_VARIABLE})
 public @interface InjectRandomInt {
+    int min();
+
+    int max();
 }

src/main/java/com/epam/edu/spring/core/template/bpp/InjectRandomIntBeanPostProcessor.java

@@ -1,4 +1,37 @@
 package com.epam.edu.spring.core.template.bpp;
 
-public class InjectRandomIntBeanPostProcessor {
+import com.epam.edu.spring.core.template.annotation.InjectRandomInt;
+import org.springframework.beans.factory.config.BeanPostProcessor;
+import org.springframework.stereotype.Component;
+import org.springframework.util.ReflectionUtils;
+
+import java.lang.reflect.Field;
+import java.util.Random;
+
+@Component
+public class InjectRandomIntBeanPostProcessor implements BeanPostProcessor {
+    @Override
+    public Object postProcessBeforeInitialization(Object bean, String beanName) {
+        Field[] fields = bean.getClass().getDeclaredFields();
+        for (Field field : fields) {
+            InjectRandomInt annotation = field.getAnnotation(InjectRandomInt.class);
+            if (annotation != null) {
+                int min = annotation.min();
+                int max = annotation.max();
+
+                Random rnd = new Random();
+                int randomValue = min + rnd.nextInt(max - min);
+                field.setAccessible(true);
+                ReflectionUtils.setField(field, bean, randomValue);
+
+            }
+        }
+        return bean;
+    }
+
+    @Override
+    public Object postProcessAfterInitialization(Object bean, String beanName) {
+        return null;
+    }
+
 }

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

@@ -0,0 +1,32 @@
+package com.epam.edu.spring.core.template.configuration;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.MissingResourceException;
+import java.util.ResourceBundle;
+
+public class ColorFactory {
+
+    private ResourceBundle prop = ResourceBundle.getBundle("application");
+    ArrayList<String> colors = new ArrayList<>();
+
+    public void initColors() {
+
+        String color;
+        int colorNumber = 0;
+        while (true) {
+            try {
+                color = prop.getString("colors.value[" + colorNumber + "]");
+            } catch (MissingResourceException e) {
+                break;
+            }
+            colors.add(color);
+            colorNumber++;
+        }
+
+    }
+
+    public List<String> getColors() {
+        return colors;
+    }
+}

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

@@ -1,4 +1,44 @@
 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.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.context.annotation.Lazy;
+
+import javax.annotation.Resource;
+import java.util.ResourceBundle;
+
+@Configuration
 public class InitializerConfiguration {
+    public static String listName;
+
+    @Bean(initMethod = "initColors")
+    public ColorFactory colorFact() {
+        return new ColorFactory();
+    }
+
+
+    @Lazy
+    @Resource
+    @Bean
+    public ItemRepository itemRepository(RepositoryConfiguration rep) {
+
+        try {
+            listName = ResourceBundle.getBundle("application").getString("item.repository.implementation");
+        } catch (Exception e) {
+            listName = "array";
+        }
+
+        if (listName.equals("linked")) {
+            return new LinkedListItemRepository(rep.getList());
+        } else {
+            return new ArrayListItemRepository(rep.getList());
+        }
+
+
+    }
+
+
 }

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

@@ -1,4 +1,45 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.bpp.InjectRandomIntBeanPostProcessor;
+import com.epam.edu.spring.core.template.entity.Item;
+import com.epam.edu.spring.core.template.service.SimpleItemService;
+import org.springframework.context.annotation.*;
+
+import javax.annotation.Resource;
+
+@Configuration
+@Import({InitializerConfiguration.class, InjectRandomIntBeanPostProcessor.class})
 public class MainConfiguration {
+
+    @Resource
+    @Bean
+    public SimpleItemService simpleItemService(ColorFactory colorFactory) {
+        return new SimpleItemService(colorFactory);
+    }
+
+    @Lazy
+    @Bean
+    @Scope(scopeName = "prototype")
+    public Item item(SimpleItemService simpleItemService) {
+        return simpleItemService.getAndCreateNewItem();
+    }
+
+    @Bean
+    public RepositoryConfiguration repositoryConfiguration(SimpleItemService simpleItemService, ColorFactory colorFactory) {
+        RepositoryConfiguration repositoryConfiguration = new RepositoryConfiguration();
+        boolean colorIsOver = false;
+
+        while (!colorIsOver) {
+            try {
+                repositoryConfiguration.addToList(simpleItemService.getAndCreateNewItem());
+            } catch (Exception e) {
+                colorIsOver = true;
+            }
+
+
+        }
+        return repositoryConfiguration;
+
+    }
+
 }

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

@@ -1,4 +1,19 @@
 package com.epam.edu.spring.core.template.configuration;
 
+import com.epam.edu.spring.core.template.entity.Item;
+
+import java.util.ArrayList;
+
+
 public class RepositoryConfiguration {
+    private static ArrayList<Item> list = new ArrayList<>();
+
+    public void addToList(Item item) {
+        list.add(item);
+    }
+
+    public ArrayList<Item> getList() {
+        return list;
+    }
+
 }

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

@@ -5,6 +5,7 @@
 /**
  * Абстрактный класс для хранения сущностей.
  * ID сущности генерируется, исходя из initialSequence
+ *
  * @param <T>
  */
 public abstract class AbstractRepository<T> {

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

@@ -2,27 +2,42 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 
+import java.util.ArrayList;
+import java.util.List;
+import java.util.ListIterator;
+
 /**
  * Репозиторий, основанный на классе ArrayList.
  * initialSequence должен браться из application.properties
  */
 public class ArrayListItemRepository extends AbstractRepository<Item> implements ItemRepository {
+    private ArrayList<Item> items;
+    private ListIterator<Item> iterator;
+
+    public ArrayList<Item> getList() {
+        return items;
+    }
+
+    public ArrayListItemRepository(List<Item> items) {
+        this.items = (ArrayList<Item>) items;
+    }
 
     @Override
     public Item getById(long id) {
-        return null;
+        return (Item) items.stream().filter(item -> item.getId() == id);
+
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return items.add(item);
     }
 
     void setInitialSequence(int val) {
-        //TODO
+        this.initialSequence = val;
     }
 
     void setHolder() {
-        //TODO
+        this.iterator = items.listIterator();
     }
 }

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

@@ -2,10 +2,13 @@
 
 import com.epam.edu.spring.core.template.entity.Item;
 
+import java.util.List;
+
 public interface ItemRepository {
 
     Item getById(long id);
 
     boolean createItem(Item item);
 
+    List<Item> getList();
 }

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

@@ -1,28 +1,45 @@
 package com.epam.edu.spring.core.template.repository;
 
+import com.epam.edu.spring.core.template.annotation.InjectRandomInt;
 import com.epam.edu.spring.core.template.entity.Item;
 
+import java.util.LinkedList;
+import java.util.List;
+import java.util.ListIterator;
+
 /**
  * Репозиторий, основанный на классе LinkedList.
  * initialSequence должен случайно генерироваться из диапазона от 1 до 100
  */
 public class LinkedListItemRepository extends AbstractRepository<Item> implements ItemRepository {
+    private LinkedList<Item> items;
+    private ListIterator<Item> iterator;
+    @InjectRandomInt(min = 0, max = 100)
+    private int initialSequence;
+
+    public LinkedListItemRepository(List<Item> items) {
+        this.items = (LinkedList<Item>) items;
+    }
+
+    public LinkedList<Item> getList() {
+        return items;
+    }
 
     @Override
     public Item getById(long id) {
-        return null;
+        return (Item) items.stream().filter(item -> item.getId() == id);
     }
 
     @Override
     public boolean createItem(Item item) {
-        return false;
+        return items.add(item);
     }
 
     void setInitialSequence(int val) {
-        //TODO
+        this.initialSequence = val;
     }
 
     void setHolder() {
-        //TODO
+        this.iterator = items.listIterator();
     }
 }

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

@@ -1,4 +1,33 @@
 package com.epam.edu.spring.core.template.service;
 
+import com.epam.edu.spring.core.template.annotation.InjectRandomInt;
+import com.epam.edu.spring.core.template.configuration.ColorFactory;
+import com.epam.edu.spring.core.template.entity.Item;
+import com.epam.edu.spring.core.template.repository.ItemRepository;
+
 public class SimpleItemService implements ItemService {
+    ItemRepository repository;
+    ColorFactory colorFactory;
+    int id = -1;
+    @InjectRandomInt(min = 10, max = 1000)
+    int price;
+
+    public SimpleItemService(ColorFactory colorFactory) {
+        this.colorFactory = colorFactory;
+    }
+
+    public Item getAndCreateNewItem() {
+        id++;
+        return new Item(id, "Item", price, colorFactory.getColors().get(id));
+    }
+
+    @Override
+    public Item getById(long id) {
+        return repository.getById(id);
+    }
+
+    @Override
+    public boolean createItem(Item item) {
+        return false;
+    }
 }