Running the app

src/main/java/com/jesuspinar/booksearch/App.java

@@ -0,0 +1,21 @@
+package com.jesuspinar.booksearch;
+
+import com.jesuspinar.booksearch.config.AppConfig;
+import org.springframework.context.ApplicationContext;
+import org.springframework.context.annotation.AnnotationConfigApplicationContext;
+
+public class App {
+
+    public static void main(String[] args) {
+
+        ApplicationContext appContext = new AnnotationConfigApplicationContext(AppConfig.class);
+
+        Run runApp = appContext.getBean(Run.class);
+
+        runApp.run(args);
+
+        ((AnnotationConfigApplicationContext) appContext).close();
+
+    }
+
+}

src/main/java/com/jesuspinar/booksearch/BooksearchApplication.java

@@ -1,10 +0,0 @@
-package com.jesuspinar.booksearch;
-
-public class BooksearchApplication {
-
-    public static void main(String[] args) {
-
-
-    }
-
-}

src/main/java/com/jesuspinar/booksearch/Run.java

@@ -0,0 +1,88 @@
+package com.jesuspinar.booksearch;
+
+import com.jesuspinar.booksearch.model.Book;
+import com.jesuspinar.booksearch.service.IBookQueryService;
+import com.jesuspinar.booksearch.service.IBookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+@Component
+public class Run {
+
+    @Autowired
+    IBookService iBookService;
+
+    @Autowired
+    IBookQueryService iBookQueryService;
+
+    @Autowired
+    Help help;
+
+    public void run(String[] args) {
+
+        if (args.length < 1) {
+            System.out.println("Error de sintaxis");
+            System.out.println(help.getHelp());
+        } else if (args.length == 1) {
+            switch (args[0].toLowerCase()) {
+                case "-lg":
+                    iBookService.findAllGenres().forEach(System.out::println);
+                    break;
+                case "-h":
+                    System.out.println(help.getHelp());
+                    break;
+                default:
+                    System.out.println("Error de sintaxis");
+                    System.out.println(help.getHelp());
+
+            }
+        } else if (args.length % 2 != 0) {
+            System.out.println("Error de sintaxis");
+            System.out.println(help.getHelp());
+        } else if (args.length > 8) {
+            System.out.println("Error de sintaxis");
+            System.out.println(help.getHelp());
+        } else {
+            List<String[]> argumentos = new ArrayList<>();
+
+            for (int i = 0; i < args.length; i += 2) {
+                argumentos.add(new String[]{args[i], args[i + 1]});
+            }
+
+            boolean error = false;
+
+            for (String[] argumento : argumentos) {
+                switch (argumento[0].toLowerCase()) {
+                    case "-ag":
+                        iBookQueryService.anyGenre(argumento[1].split(","));
+                        break;
+                    case "-tg":
+                        iBookQueryService.allGenres(argumento[1].split(","));
+                        break;
+                    case "-t":
+                        iBookQueryService.anyTitle(argumento[1]);
+                        break;
+                    default:
+                        error = true;
+                        System.out.println("Error de sintaxis");
+                        System.out.println(help.getHelp());
+                }
+            }
+            if (!error) {
+                Collection<Book> result = iBookQueryService.exec();
+                System.out.printf("%s\t%-35s\t%-22s\t%s\n", "ID", "Título", "Autor", "Género");
+                if (result != null) {
+                    result.forEach(book -> System.out.printf("%s\t%-35s\t%-22s\t%s\n",
+                            book.getId(), book.getTitle(), book.getAuthors(),
+                            book.getGenre()));
+                } else {
+                    System.out.println("No hay libros que cumplan esos criterios.");
+                }
+            }
+        }
+    }
+}

src/main/java/com/jesuspinar/booksearch/service/BookService.java

@@ -27,7 +27,6 @@ public class BookService implements IBookService{
         result = iBookDao.findAll()
                 .stream()
                 .map(book -> book.getGenre())
-                //.flatMap(l -> Stream.of(l))//TODO: Check this if other java version!
                 .distinct()
                 .sorted()
                 .collect(Collectors.toList());