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IllegalArgumentExceptionHandler, authorController, added readme page
1 parent 944332d commit 94671b8

14 files changed

+238
-85
lines changed

‎pom.xml

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<properties>
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<packaging>jar</packaging>
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<jdk.version>11</jdk.version>
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<release.version>11</release.version>
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<jdk.version>18</jdk.version>
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<release.version>18</release.version>
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<micronaut.version>3.5.1</micronaut.version>
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<micronaut.runtime>netty</micronaut.runtime>
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<exec.mainClass>com.example.Application</exec.mainClass>
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<artifactId>gson</artifactId>
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<version>2.9.0</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<artifactId>cucumber-java</artifactId>
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<version>7.4.1</version>
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</dependency>
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<dependency>
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<groupId>io.cucumber</groupId>
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<artifactId>cucumber-junit</artifactId>
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<arg>-Amicronaut.processing.group=com.example</arg>
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<arg>-Amicronaut.processing.module=demo</arg>
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</compilerArgs>
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<source>18</source>
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<target>18</target>
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</configuration>
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</plugin>
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</plugins>

‎src/main/java/com/example/controller/GreetController.java

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This file was deleted.

‎src/main/java/com/example/controller/api/AuthorController.java

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package com.example.controller.api;
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import com.example.model.Author;
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import com.example.service.AuthorService;
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import io.micronaut.core.version.annotation.Version;
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import io.micronaut.http.HttpStatus;
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import io.micronaut.http.annotation.Body;
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import io.micronaut.http.annotation.Controller;
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import io.micronaut.http.annotation.Delete;
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import io.micronaut.http.annotation.Get;
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import io.micronaut.http.annotation.PathVariable;
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import io.micronaut.http.annotation.Post;
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import io.micronaut.http.annotation.Put;
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import io.micronaut.http.annotation.Status;
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import jakarta.inject.Inject;
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import javax.validation.constraints.NotNull;
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import java.util.List;
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import static com.example.generall.URlConstants.AUTHORS;
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import static com.example.generall.URlConstants.ID;
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import static com.example.generall.URlConstants.VERSION_1_1;
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@Controller(AUTHORS)
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public class AuthorController {
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@Inject
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private AuthorService service;
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@Version(VERSION_1_1)
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@Get
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public List<Author> getAll() {
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return service.getAll();
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}
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@Get(ID)
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public Author get(Long id) {
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return service.get(id);
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}
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@Status(HttpStatus.CREATED)
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@Version(VERSION_1_1)
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@Post
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public void create(@Body Author author) {
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service.create(author);
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}
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@Status(HttpStatus.ACCEPTED)
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@Version(VERSION_1_1)
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@Put(ID)
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public void update(@PathVariable @NotNull Long id, @Body @NotNull Author author) {
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service.update(id, author);
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}
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@Status(HttpStatus.NO_CONTENT)
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@Version(VERSION_1_1)
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@Delete(ID)
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public void delete(@PathVariable @NotNull Long id) {
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service.delete(id);
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}
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}

‎src/main/java/com/example/controller/BookController.java renamed to ‎src/main/java/com/example/controller/api/BookController.java

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package com.example.controller;
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package com.example.controller.api;
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import com.example.model.Book;
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import com.example.service.BookService;
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import java.util.List;
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import java.util.Optional;
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@Controller("/book")
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import static com.example.generall.URlConstants.BOOKS;
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import static com.example.generall.URlConstants.COUNT;
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import static com.example.generall.URlConstants.ID;
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import static com.example.generall.URlConstants.VERSION_1_1;
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@Controller(BOOKS)
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public class BookController {
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@Inject
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books = service.findAll();
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}
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return books;
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}
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@Version("1.1")
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@Get("/count")
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@Version(VERSION_1_1)
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@Get(COUNT)
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public Long count() {
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return service.countBooks();
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}
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@Version("1.1")
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@Version(VERSION_1_1)
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@Status(HttpStatus.CREATED)
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@Post
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public void create(Book book) {
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service.create(book);
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}
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@Version("1.1")
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@Version(VERSION_1_1)
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@Status(HttpStatus.NO_CONTENT)
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@Delete("{id}")
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@Delete(ID)
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public void delete(@PathVariable Long id) {
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service.delete(id);
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}
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@Version("1.1")
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@Version(VERSION_1_1)
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@Status(HttpStatus.ACCEPTED)
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@Put("{id}")
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@Put(ID)
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public void update(@PathVariable Long id, @QueryValue @NotBlank String name) {
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service.updateName(id, name);
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}

‎src/main/java/com/example/controller/api/GreetController.java

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package com.example.controller.api;
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import com.example.service.GreetingService;
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import io.micronaut.core.version.annotation.Version;
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import io.micronaut.http.HttpRequest;
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import io.micronaut.http.HttpResponse;
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import io.micronaut.http.MediaType;
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import io.micronaut.http.annotation.Controller;
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import io.micronaut.http.annotation.Get;
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import io.micronaut.http.annotation.Produces;
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import jakarta.inject.Inject;
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@Controller
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public class GreetController {
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@Inject
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private GreetingService greetingService;
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@Version("1.0")
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@Get("/{name}")
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public String greet(String name) {
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return greetingService.getGreeting() + " " + name;
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}
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@Version("1.1")
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@Produces(MediaType.TEXT_PLAIN)
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@Get(value = "/hello")
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public HttpResponse<String> hello(HttpRequest<?> request) {
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String name = request.getParameters()
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.getFirst("name")
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.orElse("Nobody");
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return HttpResponse.ok("Hello " + name + "!!")
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.header("X-My-Header", "Hi in headers");
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}
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@Produces(MediaType.TEXT_HTML)
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@Get
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public String readMe() {
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return """
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<!DOCTYPE html>
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<html>
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<head>
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<title>README.md</title>
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</head>
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<body>
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<h1>Micronaut 3.5.1 Documentation </h1>
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<a href="https://docs.micronaut.io/3.5.1/guide/index.html">User Guide</a>
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<a href="https://docs.micronaut.io/3.5.1/api/index.html">API Reference</a>
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<a href="https://docs.micronaut.io/3.5.1/guide/configurationreference.html">Configuration Reference</a>
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<a href="https://guides.micronaut.io/index.html">Micronaut Guides</a>
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<h1>Feature http-client documentation</h1>
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<a href="https://docs.micronaut.io/latest/guide/index.html#httpClient">Micronaut HTTP Client documentation</a>
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</body>
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</html>
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""";
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}
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}

‎src/main/java/com/example/controller/api/URlConstants.java

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‎src/main/java/com/example/exceptionHandler/IllegalArgumentExceptionHandler.java

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package com.example.exceptionHandler;
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import io.micronaut.context.annotation.Requires;
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import io.micronaut.http.HttpRequest;
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import io.micronaut.http.HttpResponse;
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import io.micronaut.http.annotation.Produces;
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import io.micronaut.http.server.exceptions.ExceptionHandler;
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import io.micronaut.http.server.exceptions.response.ErrorContext;
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import io.micronaut.http.server.exceptions.response.ErrorResponseProcessor;
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import jakarta.inject.Singleton;
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@Produces
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@Singleton
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@Requires(classes = {IllegalArgumentException.class, ExceptionHandler.class})
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public class IllegalArgumentExceptionHandler implements ExceptionHandler<IllegalArgumentException, HttpResponse> {
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private final ErrorResponseProcessor<?> errorResponseProcessor;
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public IllegalArgumentExceptionHandler(ErrorResponseProcessor<?> errorResponseProcessor) {
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this.errorResponseProcessor = errorResponseProcessor;
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}
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@Override
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public HttpResponse handle(HttpRequest request, IllegalArgumentException exception) {
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return errorResponseProcessor.processResponse
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(ErrorContext.builder(request)
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.cause(exception)
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.errorMessage(exception.getMessage())
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.build(), HttpResponse.badRequest());
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}
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}

‎src/main/java/com/example/exceptionHandler/ItemNotFoundExceptionHandler.java

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.errorMessage(e.getMessage())
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.build(), HttpResponse.badRequest());
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}
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}

‎src/main/java/com/example/exceptions/ItemNotFoundException.java

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package com.example.exceptions;
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import static com.example.generall.Constraints.ITEM_NOT_FOUND;
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public class ItemNotFoundException extends RuntimeException {
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public ItemNotFoundException(String msg) {
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super(msg);
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}
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public ItemNotFoundException() {
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super("Item not found");
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super(ITEM_NOT_FOUND);
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}
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}

‎src/main/java/com/example/generall/Constraints.java

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package com.example.generall;
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public class Constraints {
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public static final String ITEM_NOT_FOUND = "Item not found";
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}

‎src/main/java/com/example/generall/URlConstants.java

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package com.example.generall;
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public final class URlConstants {
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public URlConstants() throws IllegalAccessException {
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throw new IllegalAccessException("it is just for constants");
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}
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public static final String BOOKS = "books";
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public static final String COUNT = "count";
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public static final String AUTHORS = "authors";
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public static final String VERSION_1_1 = "1.1";
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public static final String ID = "{id}";
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}

‎src/main/java/com/example/repository/AuthorRepository.java

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import com.example.model.Author;
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import io.micronaut.data.annotation.Repository;
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import io.micronaut.data.repository.CrudRepository;
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import io.micronaut.data.jpa.repository.JpaRepository;
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@Repository
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public interface AuthorRepository extends CrudRepository<Author, Long> {
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public interface AuthorRepository extends JpaRepository<Author, Long> {
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}

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