Merge branch 'lab5-dev' into develop

Notes.md

@@ -1,4 +0,0 @@
-### Этапы работы программы
-
-1. Проверка файла с базой данных
-2. Пользовательский ввод

pom.xml

@@ -64,6 +64,11 @@
           </execution>
         </executions>
       </plugin>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-javadoc-plugin</artifactId>
+        <version>3.6.3</version>
+      </plugin>
     </plugins>
   </build>
 </project>

src/main/java/me/zinch/App.java

@@ -6,6 +6,9 @@ import me.zinch.exceptions.ValidationException;
 
 import java.io.IOException;
 
+/**
+ * Main class for running the application.
+ */
 public class App {
   public static void main(String[] args) {
     Runtime.getRuntime().addShutdownHook(new ShutdownHook());

src/main/java/me/zinch/commands/Add.java

@@ -6,6 +6,10 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * The Add class represents a command to add a new element to a collection.
+ * It extends the Command class.
+ */
 public class Add extends Command {
   public Add() {
     super("add {element}", "добавить новый элемент в коллекцию", Pattern.compile("^add"));

src/main/java/me/zinch/commands/AddIfMax.java

@@ -5,6 +5,10 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * The AddIfMax class represents a command to add a new element to a collection if its price value exceeds the maximum price value in the collection.
+ * It extends the Command class.
+ */
 public class AddIfMax extends Command {
   public AddIfMax() {
     super("add_if_max {element}", "добавить новый элемент в коллекцию, если его значение цены превышает значение наибольшей цены этой коллекции", Pattern.compile("^add_if_max \\d+"));

src/main/java/me/zinch/commands/AddIfMin.java

@@ -5,6 +5,10 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * The AddIfMin class represents a command to add a new element to a collection if its price is lower than the lowest price in the collection.
+ * It extends the Command class.
+ */
 public class AddIfMin extends Command {
   public AddIfMin() {
     super("add_if_min {element}", "добавить новый элемент в коллекцию, если его значение цены меньше, чем у наименьшей цены этой коллекции", Pattern.compile("^add_if_min \\d+"));

src/main/java/me/zinch/commands/Clear.java

@@ -2,6 +2,10 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * The Clear class represents a command to clear a collection.
+ * It extends the Command class.
+ */
 public class Clear extends Command {
   public Clear() {
     super("clear", "очистить коллекцию");

src/main/java/me/zinch/commands/Command.java

@@ -5,6 +5,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * Represents a command that can be executed.
+ */
 public abstract class Command {
   private final String name;
   private final String description;

src/main/java/me/zinch/commands/CommandManager.java

@@ -4,6 +4,9 @@ import java.util.ArrayList;
 import java.util.List;
 import java.util.Optional;
 
+/**
+ * Manages the registration and retrieval of commands.
+ */
 public class CommandManager {
   private static final List<Command> commandList = new ArrayList<>();
 

src/main/java/me/zinch/commands/ExecuteScript.java

@@ -0,0 +1,61 @@
+package me.zinch.commands;
+
+import me.zinch.console.Console;
+import me.zinch.files.ScriptLoader;
+import me.zinch.wrapper.ProductCollection;
+
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.regex.Pattern;
+
+/**
+ * A command to execute a script from a specified file.
+ */
+public class ExecuteScript extends Command {
+  private static final List<String> executeStack = new ArrayList<>();
+
+  private void addFileToStack(String filePath) {
+    executeStack.add(filePath);
+  }
+
+  private void clearStack() {
+    executeStack.clear();
+  }
+
+  private boolean checkFileInStack(String filePath) {
+    return executeStack.contains(filePath);
+  }
+
+  public ExecuteScript() {
+    super("execute_script file_name", "считать и исполнить скрипт из указанного файла. В скрипте содержатся команды в таком же виде, в котором их вводит пользователь в интерактивном режиме", Pattern.compile("^execute_script .+"));
+  }
+
+  @Override
+  public void action(ProductCollection productCollection) {
+    try {
+      var scriptFile = Console.getLastCommand().split(" ")[1];
+      addFileToStack(scriptFile);
+      var commandList = ScriptLoader.loadList(scriptFile);
+      for (var input: commandList) {
+        input = input.trim();
+        var command = CommandManager.getCommandByInput(input);
+        if (command.isPresent()) {
+          Console.appendHistory(input);
+          if (command.get() instanceof ExecuteScript) {
+            var nextFile = input.split(" ")[0];
+            if (checkFileInStack(nextFile)) continue;
+            addFileToStack(nextFile);
+          }
+          command.get().action(productCollection);
+        } else {
+          new UnknownCommand().action(productCollection);
+        }
+      }
+      clearStack();
+      System.out.format("Скрипт %s завершил работу.%n", scriptFile);
+    } catch (IOException e) {
+      System.out.println(e.getMessage());
+    }
+  }
+}

src/main/java/me/zinch/commands/Exit.java

@@ -3,6 +3,9 @@ package me.zinch.commands;
 import me.zinch.console.Console;
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to exit the program without saving to a file.
+ */
 public class Exit extends Command {
   public Exit() {
     super("exit", "завершить программу (без сохранения в файл)");

src/main/java/me/zinch/commands/FilterContainsName.java

@@ -5,6 +5,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * A command to filter elements whose 'name' field contains the specified substring.
+ */
 public class FilterContainsName extends Command {
   public FilterContainsName() {
     super("filter_contains_name name", "вывести элементы, значение поля name которых содержит заданную подстроку", Pattern.compile("^filter_contains_name \\w+"));

src/main/java/me/zinch/commands/Help.java

@@ -2,6 +2,9 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to display help for available commands.
+ */
 public class Help extends Command {
   public Help() {
     super("help", "вывести справку по доступным командам");

src/main/java/me/zinch/commands/Info.java

@@ -2,6 +2,9 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to display information about the collection (type, initialization date, number of elements, etc.) to the standard output stream.
+ */
 public class Info extends Command {
   public Info() {
     super("info", "вывести в стандартный поток вывода информацию о коллекции (тип, дата инициализации, количество элементов и т.д.)");

src/main/java/me/zinch/commands/PrintAscending.java

@@ -2,6 +2,9 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to print the elements of the collection in ascending order.
+ */
 public class PrintAscending extends Command {
   public PrintAscending() {
     super("print_ascending", "вывести элементы коллекции в порядке возрастания");

src/main/java/me/zinch/commands/PrintUniqueManufactureCost.java

@@ -2,6 +2,9 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to print the unique values of the 'manufactureCost' field of all elements in the collection.
+ */
 public class PrintUniqueManufactureCost extends Command {
   public PrintUniqueManufactureCost() {
     super("print_unique_manufacture_cost", "вывести уникальные значения поля manufactureCost всех элементов в коллекции");

src/main/java/me/zinch/commands/Remove.java

@@ -5,6 +5,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * A command to remove an element from the collection by its id.
+ */
 public class Remove extends Command {
   public Remove() {
     super("remove_by_id id", "удалить элемент из коллекции по его id", Pattern.compile("^remove_by_id \\d+"));

src/main/java/me/zinch/commands/RemoveLower.java

@@ -5,6 +5,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * A command to remove all elements from the collection that have ids lower than the specified id.
+ */
 public class RemoveLower extends Command {
   public RemoveLower() {
     super("remove_lower id", "удалить из коллекции все элементы, меньшие, чем заданный по id", Pattern.compile("^remove_lower \\d+"));

src/main/java/me/zinch/commands/Save.java

@@ -6,6 +6,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.io.IOException;
 
+/**
+ * A command to save the collection to a file.
+ */
 public class Save extends Command {
   public Save() {
     super("save", "сохранить коллекцию в файл");

src/main/java/me/zinch/commands/Show.java

@@ -2,6 +2,9 @@ package me.zinch.commands;
 
 import me.zinch.wrapper.ProductCollection;
 
+/**
+ * A command to display all elements of the collection in string representation to the standard output stream.
+ */
 public class Show extends Command {
   public Show() {
     super("show", "вывести в стандартный поток вывода все элементы коллекции в строковом представлении");

src/main/java/me/zinch/commands/UnknownCommand.java

@@ -0,0 +1,17 @@
+package me.zinch.commands;
+
+import me.zinch.wrapper.ProductCollection;
+
+/**
+ * Represents an unknown command.
+ */
+public class UnknownCommand extends Command {
+  public UnknownCommand() {
+    super("", "");
+  }
+
+  @Override
+  public void action(ProductCollection productCollection) {
+    System.out.println("Команда не распознана.");
+  }
+}

src/main/java/me/zinch/commands/Update.java

@@ -5,6 +5,9 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.util.regex.Pattern;
 
+/**
+ * A command to update the value of an element in the collection, whose id is specified.
+ */
 public class Update extends Command {
   public Update() {
     super("update id {element}", "обновить значение элемента коллекции, id которого равен заданному", Pattern.compile("^update \\d+"));

src/main/java/me/zinch/console/Console.java

@@ -1,8 +1,10 @@
 package me.zinch.console;
 
 import me.zinch.commands.CommandManager;
+import me.zinch.exceptions.ColorFormatException;
 import me.zinch.exceptions.CommandActionException;
 import me.zinch.exceptions.IllegalProductDtoException;
+import me.zinch.exceptions.UnitOfMeasureFormatException;
 import me.zinch.files.DbController;
 import me.zinch.models.Color;
 import me.zinch.models.Coordinates;
@@ -14,10 +16,15 @@ import me.zinch.wrapper.ProductCollection;
 
 import java.io.IOException;
 import java.util.ArrayList;
+import java.util.IllegalFormatConversionException;
 import java.util.List;
 import java.util.NoSuchElementException;
 import java.util.Scanner;
 
+/**
+ Console class provides methods for interacting with the console, reading user input, and managing application flow.
+ This class includes methods for appending input history, stopping the application, reading product DTO from the console, and running the application loop.
+ */
 public class Console {
   private static final Scanner scanner = new Scanner(System.in);
   private static boolean isRunning = true;
@@ -36,50 +43,91 @@ public class Console {
     return history.get(history.size() - 1);
   }
 
+
+  private static String readString() {
+    var input = scanner.nextLine().trim();
+    return input.isEmpty() ? null : input;
+  }
+
+  private static Long readLong() {
+    var input = scanner.nextLine().trim();
+    try {
+      return Long.parseLong(input);
+    } catch (NumberFormatException e) {
+      return null;
+    }
+  }
+
+  private static Color readColor() throws ColorFormatException {
+    System.out.format("Цвет волос(%s): ", Color.getColorsString());
+    var input = readString();
+    if (input == null || input.isEmpty()) return null;
+    try {
+      return Color.create(Integer.parseInt(input));
+    } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+      try {
+        return Color.create(input);
+      } catch (IllegalArgumentException ex) {
+        throw new ColorFormatException(ex.getMessage());
+      }
+    }
+  }
+
+  private static UnitOfMeasure readUnitOfMeasure() throws UnitOfMeasureFormatException {
+    System.out.format("Единица измерения(%s): ", UnitOfMeasure.getUnitOfMeasuerString());
+    var input = readString();
+    try {
+      return UnitOfMeasure.create(Integer.parseInt(input));
+    } catch (NumberFormatException | ArrayIndexOutOfBoundsException e) {
+      try {
+        return UnitOfMeasure.create(input);
+      } catch (IllegalArgumentException ex) {
+        throw new ColorFormatException(ex.getMessage());
+      }
+    }
+  }
+
+  private static Location readLocation() throws NumberFormatException {
+    System.out.print("Создать поле Location? (Y/n): ");
+    var input = readString();
+    if (input != null && input.equalsIgnoreCase("n")) return null;
+    System.out.print("Координата x локации: ");
+    var locationX = Float.parseFloat(readString());
+    System.out.print("Координата y локации: ");
+    var locationY = Integer.parseInt(readString());
+    System.out.print("Название: ");
+    var locationName = readString();
+    return new Location(locationX, locationY, locationName);
+  }
+
   public static ProductDTO readProductDTO() throws IllegalProductDtoException {
     try {
       var productDTO = new ProductDTO();
       System.out.println("Заполните следующие поля: ");
       System.out.print("Название: ");
-      productDTO.setName(scanner.nextLine().trim());
+      productDTO.setName(readString());
       System.out.print("Координата x: ");
-      long x = Long.parseLong(scanner.nextLine().trim());
+      long x = readLong();
       System.out.print("Координата y: ");
-      long y = Long.parseLong(scanner.nextLine().trim());
+      long y = readLong();
       productDTO.setCoordinates(new Coordinates(x, y));
       System.out.print("Цена: ");
-      productDTO.setPrice(Long.parseLong(scanner.nextLine().trim()));
+      productDTO.setPrice(readLong());
       System.out.print("Номер части: ");
-      productDTO.setPartNumber(scanner.nextLine().trim());
+      productDTO.setPartNumber(readString());
       System.out.print("Себестоимость: ");
-      productDTO.setManufactureCost(Long.parseLong(scanner.nextLine().trim()));
-      System.out.print("Единица измерения(Килограммы[0], Сантиметры[1], Граммы[2]): ");
-      try {
-        productDTO.setUnitOfMeasure(UnitOfMeasure.create(Integer.parseInt(scanner.nextLine().trim())));
-      } catch (NumberFormatException e) {
-        productDTO.setUnitOfMeasure(UnitOfMeasure.create(scanner.nextLine().trim()));
-      }
+      productDTO.setManufactureCost(readLong());
+      productDTO.setUnitOfMeasure(readUnitOfMeasure());
       System.out.print("Имя владельца: ");
-      var ownerName = scanner.nextLine().trim();
+      var ownerName = readString();
       System.out.print("Данные паспорта: ");
-      var passportId = scanner.nextLine().trim();
-      System.out.print("Цвет волос(Зелёный[0], Чёрный[1], Синий[2], Оранжевый[3], Белый[4]): ");
-      Color color;
-      try {
-        color = Color.create(Integer.parseInt(scanner.nextLine().trim()));
-      } catch (NumberFormatException e) {
-        color = Color.create(scanner.nextLine().trim());
-      }
-      System.out.print("Координата x локации: ");
-      var locationX = Float.parseFloat(scanner.nextLine().trim());
-      System.out.print("Координата y локации: ");
-      var locationY = Integer.parseInt(scanner.nextLine().trim());
-      System.out.print("Название: ");
-      var locationName = scanner.nextLine().trim();
-
-      productDTO.setOwner(new Person(ownerName, passportId, color, new Location(locationX, locationY, locationName)));
+      var passportId = readString();
+      Color color = readColor();
+      productDTO.setOwner(new Person(ownerName, passportId, color, readLocation()));
       return productDTO;
-    } catch (NumberFormatException e) {
+    } catch (ColorFormatException | UnitOfMeasureFormatException e) {
+      throw new IllegalProductDtoException(e.getMessage());
+    } catch (NumberFormatException | NullPointerException | IllegalFormatConversionException e) {
       throw new IllegalProductDtoException();
     }
   }

src/main/java/me/zinch/console/ShutdownHook.java

@@ -1,5 +1,8 @@
 package me.zinch.console;
 
+/**
+ * Represents a shutdown hook that is executed when the application is stopped.
+ */
 public class ShutdownHook extends Thread {
   public ShutdownHook() {
     super(new Thread(Console::stopApp));

src/main/java/me/zinch/exceptions/ColorFormatException.java

@@ -0,0 +1,11 @@
+package me.zinch.exceptions;
+
+public class ColorFormatException extends IllegalArgumentException {
+  public ColorFormatException() {
+    super();
+  }
+
+  public ColorFormatException(String message) {
+    super(message);
+  }
+}

src/main/java/me/zinch/exceptions/CommandActionException.java

@@ -1,5 +1,8 @@
 package me.zinch.exceptions;
 
+/**
+ * Represents an exception that occurs during the execution of a command action.
+ */
 public class CommandActionException extends RuntimeException {
   public CommandActionException() {
     super("Ошибка во время выполнения команды");

src/main/java/me/zinch/exceptions/DbInitializationException.java

@@ -2,6 +2,9 @@ package me.zinch.exceptions;
 
 import java.io.IOException;
 
+/**
+ * Represents an exception that occurs when the database initialization fails.
+ */
 public class DbInitializationException extends IOException {
   public DbInitializationException() {
     super("Ошибка! Не удалось инициализировать БД. Проверьте, что структура БД верна.");

src/main/java/me/zinch/exceptions/IllegalProductDtoException.java

@@ -1,5 +1,8 @@
 package me.zinch.exceptions;
 
+/**
+ * Represents an exception that occurs when an illegal product DTO is encountered during the creation or modification of a product.
+ */
 public class IllegalProductDtoException extends CommandActionException {
   public IllegalProductDtoException() {
     super("Ошибка при создании или изменении продукта. Были введены некорректные значения.");

src/main/java/me/zinch/exceptions/UnitOfMeasureFormatException.java

@@ -0,0 +1,11 @@
+package me.zinch.exceptions;
+
+public class UnitOfMeasureFormatException extends IllegalArgumentException {
+  public UnitOfMeasureFormatException() {
+    super();
+  }
+
+  public UnitOfMeasureFormatException(String message) {
+    super(message);
+  }
+}

src/main/java/me/zinch/exceptions/ValidationException.java

@@ -1,5 +1,8 @@
 package me.zinch.exceptions;
 
+/**
+ * Represents an exception related to validation errors.
+ */
 public class ValidationException extends jakarta.validation.ValidationException {
   public ValidationException() {}
 

src/main/java/me/zinch/files/DbController.java

@@ -18,6 +18,9 @@ import java.io.OutputStreamWriter;
 import java.util.List;
 import java.util.Map;
 
+/**
+ * The DbController class provides methods for loading and saving product data to a database file.
+ */
 public class DbController {
   private static final XmlMapper xmlMapper = XmlMapper.builder().addModule(new JavaTimeModule()).build();
   private static final String path;
@@ -28,6 +31,9 @@ public class DbController {
     xmlMapper.setDefaultPropertyInclusion(JsonInclude.Include.NON_NULL);
   }
 
+  /**
+   * Represents a collection of products.
+   */
   private static class Products {
     @JacksonXmlElementWrapper(useWrapping = false)
     @JacksonXmlProperty(localName = "Product")

src/main/java/me/zinch/files/ScriptLoader.java

@@ -0,0 +1,32 @@
+package me.zinch.files;
+
+import java.io.BufferedInputStream;
+import java.io.FileInputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Scanner;
+
+/**
+ * The ScriptLoader class provides methods to load scripts from files.
+ */
+public class ScriptLoader {
+  public static List<String> loadList(String path) throws IOException {
+    try {
+      BufferedInputStream bufferedInputStream = new BufferedInputStream(new FileInputStream(path));
+      Scanner scanner = new Scanner(bufferedInputStream);
+      List<String> list = new ArrayList<>();
+      while (scanner.hasNextLine()) {
+        list.add(scanner.nextLine());
+      }
+      bufferedInputStream.close();
+      scanner.close();
+      return list;
+    } catch (FileNotFoundException e) {
+      throw new FileNotFoundException(String.format("Файл %s не найден.", path));
+    } catch (IOException e) {
+      throw new IOException("Произошла неожиданная ошибка во время работы с файлом!");
+    }
+  }
+}

src/main/java/me/zinch/models/Color.java

@@ -1,7 +1,12 @@
 package me.zinch.models;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 
+/**
+ * Represents a color enumeration.
+ */
 public enum Color {
   GREEN("Зелёный"),
   BLACK("Чёрный"),
@@ -15,21 +20,28 @@ public enum Color {
     this.color = color;
   }
 
-  public String getColor() {
+  private String getColor() {
     return color;
   }
 
-  public static Color create(String input) {
+  public static Color create(String input) throws IllegalArgumentException {
     for (var unit : List.of(Color.values())) {
-      if (unit.getColor().toLowerCase() == input.toLowerCase()) return unit;
+      if (unit.getColor().equalsIgnoreCase(input)) return unit;
     }
-    return Color.BLUE;
+    throw new IllegalArgumentException("Не существует такого цвета");
   }
 
-  public static Color create(Integer num) {
+  public static Color create(Integer num) throws ArrayIndexOutOfBoundsException {
     return Color.values()[num];
   }
 
+  public static String getColorsString() {
+    AtomicInteger i = new AtomicInteger();
+    return String.join(", ", Arrays.stream(Color.values())
+            .map(color -> String.format("%s[%d]", color.getColor(), i.getAndIncrement()))
+            .toList());
+  }
+
   @Override
   public String toString() {
     return "Color{" +

src/main/java/me/zinch/models/Coordinates.java

@@ -7,6 +7,9 @@ import jakarta.validation.constraints.NotNull;
 
 import java.util.Objects;
 
+/**
+ * Represents coordinates with x and y values.
+ */
 public class Coordinates {
   @Max(value = 883, message = "Coordinates: Максимальное значение координаты x: 883")
   @JsonProperty("x")

src/main/java/me/zinch/models/Location.java

@@ -6,6 +6,9 @@ import me.zinch.validator.NotEmpty;
 
 import java.util.Objects;
 
+/**
+ * Represents a location with x and y coordinates and a name.
+ */
 public class Location {
   @JsonProperty("x")
   private float x;

src/main/java/me/zinch/models/Person.java

@@ -7,6 +7,9 @@ import jakarta.validation.constraints.Size;
 
 import java.util.Objects;
 
+/**
+ * Represents a person with a name, passport ID, hair color, and location.
+ */
 public class Person {
   @NotBlank(message = "Person: Имя персоны не может быть пустым или null")
   @JsonProperty("name")

src/main/java/me/zinch/models/Product.java

@@ -10,6 +10,9 @@ import me.zinch.validator.NotEmpty;
 import java.time.ZonedDateTime;
 import java.util.Objects;
 
+/**
+ * Represents a product with various attributes such as ID, name, coordinates, creation date, price, part number, manufacture cost, unit of measure, and owner.
+ */
 public class Product {
   @NotNull(message = "Product: Поле id не может быть null")
   @Min(value = 1, message = "Product: Значение поля id должно быть больше 0")

src/main/java/me/zinch/models/ProductDTO.java

@@ -11,6 +11,9 @@ import me.zinch.validator.NotEmpty;
 
 import java.time.ZonedDateTime;
 
+/**
+ * Represents a Data Transfer Object (DTO) for a product with attributes such as name, coordinates, price, part number, manufacture cost, unit of measure, and owner.
+ */
 public class ProductDTO {
   @NotBlank(message = "Строка name не может быть пустой или null")
   @JsonProperty("name")

src/main/java/me/zinch/models/UnitOfMeasure.java

@@ -1,7 +1,12 @@
 package me.zinch.models;
 
+import java.util.Arrays;
 import java.util.List;
+import java.util.concurrent.atomic.AtomicInteger;
 
+/**
+ * Represents a unit of measure enumeration.
+ */
 public enum UnitOfMeasure {
   KILOGRAMS("Килограммы"),
   CENTIMETERS("Сантиметры"),
@@ -17,17 +22,24 @@ public enum UnitOfMeasure {
     return unitOfMeasure;
   }
 
-  public static UnitOfMeasure create(String input) {
+  public static UnitOfMeasure create(String input) throws IllegalArgumentException {
     for (var unit : List.of(UnitOfMeasure.values())) {
-      if (unit.getUnitOfMeasure().toLowerCase() == input.toLowerCase()) return unit;
+      if (unit.getUnitOfMeasure().equalsIgnoreCase(input)) return unit;
     }
-    return UnitOfMeasure.KILOGRAMS;
+    throw new IllegalArgumentException("Не существует такой единицы измерения");
   }
 
-  public static UnitOfMeasure create(Integer num) {
+  public static UnitOfMeasure create(Integer num) throws ArrayIndexOutOfBoundsException {
     return UnitOfMeasure.values()[num];
   }
 
+  public static String getUnitOfMeasuerString() {
+    AtomicInteger i = new AtomicInteger();
+    return String.join(", ", Arrays.stream(UnitOfMeasure.values())
+            .map(unitOfMeasure -> String.format("%s[%d]", unitOfMeasure.getUnitOfMeasure(), i.getAndIncrement()))
+            .toList());
+  }
+
 
   @Override
   public String toString() {

src/main/java/me/zinch/validator/NotEmpty.java

@@ -8,6 +8,9 @@ import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
 import java.lang.annotation.Target;
 
+/**
+ * Annotation indicating that the annotated element must not be empty.
+ */
 @Target({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER})
 @Retention(RetentionPolicy.RUNTIME)
 @Constraint(validatedBy = NotEmptyValidator.class)

src/main/java/me/zinch/validator/NotEmptyValidator.java

@@ -3,6 +3,9 @@ package me.zinch.validator;
 import jakarta.validation.ConstraintValidator;
 import jakarta.validation.ConstraintValidatorContext;
 
+/**
+ * Validator implementation for the {@link NotEmpty} annotation, ensuring that the value is not empty.
+ */
 public class NotEmptyValidator implements ConstraintValidator<NotEmpty, String> {
   @Override
   public boolean isValid(String value, ConstraintValidatorContext context) {

src/main/java/me/zinch/validator/ValidateResult.java

@@ -5,6 +5,10 @@ import jakarta.validation.ValidationException;
 
 import java.util.Set;
 
+/**
+ * Represents the result of a validation process.
+ * @param <T> the type of object being validated
+ */
 public class ValidateResult<T> {
   private final Set<ConstraintViolation<T>> violations;
   private final boolean isValid;

src/main/java/me/zinch/validator/Validators.java

@@ -8,6 +8,9 @@ import org.hibernate.validator.HibernateValidator;
 
 import java.util.List;
 
+/**
+ * Utility class for performing validation operations on products.
+ */
 public class Validators {
   private static final Validator validator;
 

src/main/java/me/zinch/wrapper/ProductCollection.java

@@ -16,6 +16,9 @@ import java.util.Optional;
 import java.util.Set;
 import java.util.TreeSet;
 
+/**
+ * Represents a collection of products.
+ */
 public class ProductCollection {
   private final TreeSet<Product> productList;
   private Long idIncrementor;