refactor: remove unused imports and clean up code (!30)

Reviewed-on: #30
Reviewed-by: Phan Huy Tran <ptran@noreply.localhost>
Co-authored-by: Jan Klattenhoff <jan@kjan.de>
Co-committed-by: Jan Klattenhoff <jan@kjan.de>

src/main/java/de/szut/lf8_starter/hello/HelloController.java

@@ -14,9 +14,6 @@ import org.springframework.http.HttpStatus;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.*;
 
-import java.util.List;
-import java.util.stream.Collectors;
-
 @RestController
 @RequestMapping(value = "hello")
 @PreAuthorize("hasAnyAuthority('user')")

src/main/java/de/szut/lf8_starter/project/dto/GetProjectDto.java

@@ -3,8 +3,6 @@ package de.szut.lf8_starter.project.dto;
 import com.fasterxml.jackson.annotation.JsonFormat;
 import com.fasterxml.jackson.databind.PropertyNamingStrategies;
 import com.fasterxml.jackson.databind.annotation.JsonNaming;
-import jakarta.validation.constraints.NotBlank;
-import jakarta.validation.constraints.NotNull;
 import lombok.Getter;
 import lombok.Setter;
 

src/main/java/de/szut/lf8_starter/security/KeycloakSecurityConfig.java

@@ -1,24 +1,17 @@
 package de.szut.lf8_starter.security;
 
 import java.util.*;
-import java.util.stream.Collectors;
 
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
-import org.springframework.context.annotation.Profile;
-import org.springframework.http.HttpMethod;
 import org.springframework.security.config.Customizer;
 import org.springframework.security.config.annotation.web.builders.HttpSecurity;
 import org.springframework.security.config.annotation.web.configuration.EnableWebSecurity;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
-import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
 import org.springframework.security.core.session.SessionRegistry;
 import org.springframework.security.core.session.SessionRegistryImpl;
-import org.springframework.security.oauth2.core.oidc.user.OidcUserAuthority;
-import org.springframework.security.oauth2.core.user.OAuth2UserAuthority;
 import org.springframework.security.oauth2.server.resource.authentication.JwtAuthenticationConverter;
-import org.springframework.security.oauth2.server.resource.authentication.JwtGrantedAuthoritiesConverter;
 import org.springframework.security.web.SecurityFilterChain;
 import org.springframework.security.web.authentication.session.RegisterSessionAuthenticationStrategy;
 import org.springframework.security.web.authentication.session.SessionAuthenticationStrategy;

src/test/java/de/szut/lf8_starter/Lf8StarterApplicationTests.java

@@ -2,7 +2,6 @@ package de.szut.lf8_starter;
 
 import org.junit.jupiter.api.Test;
 import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.test.context.TestPropertySource;
 
 @SpringBootTest
 class Lf8StarterApplicationTests {

src/test/java/de/szut/lf8_starter/integration/project/ProjectFindAllNotAuthenticated.java

@@ -1,6 +1,5 @@
 package de.szut.lf8_starter.integration.project;
 
-import de.szut.lf8_starter.project.ProjectEntity;
 import de.szut.lf8_starter.project.ProjectRepository;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
@@ -9,12 +8,8 @@ import org.springframework.boot.test.context.SpringBootTest;
 import org.springframework.boot.test.web.client.TestRestTemplate;
 import org.springframework.test.web.servlet.MockMvc;
 
-import java.time.LocalDate;
-import java.util.List;
 
-import static org.hamcrest.collection.IsCollectionWithSize.hasSize;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.get;
-import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
 
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)