replace var with explicit types

Author: Cathy0123456789

src/main/java/de/tum/cit/aet/core/web/DocumentResource.java

@@ -1,5 +1,6 @@
 package de.tum.cit.aet.core.web;
 
+import de.tum.cit.aet.application.domain.Application;
 import de.tum.cit.aet.core.domain.DocumentDictionary;
 import de.tum.cit.aet.core.exception.AccessDeniedException;
 import de.tum.cit.aet.core.service.CurrentUserService;
@@ -63,7 +64,7 @@ public ResponseEntity<Resource> downloadDocument(@PathVariable UUID documentDict
      */
     private void verifyAccess(DocumentDictionary documentDictionary) {
         if (documentDictionary.getApplication() != null) {
-            var application = documentDictionary.getApplication();
+            Application application = documentDictionary.getApplication();
             if (currentUserService.isProfessor() || currentUserService.isEmployee()) {
                 currentUserService.verifyJobAccess(application.getJob());
                 return;
@@ -73,7 +74,7 @@ private void verifyAccess(DocumentDictionary documentDictionary) {
         }
 
         if (documentDictionary.getCustomFieldAnswer() != null) {
-            var application = documentDictionary.getCustomFieldAnswer().getApplication();
+            Application application = documentDictionary.getCustomFieldAnswer().getApplication();
             if (currentUserService.isProfessor() || currentUserService.isEmployee()) {
                 currentUserService.verifyJobAccess(application.getJob());
                 return;

src/test/java/de/tum/cit/aet/core/retention/UserRetentionIntegrationTest.java

@@ -10,6 +10,7 @@
 import de.tum.cit.aet.core.config.UserRetentionProperties;
 import de.tum.cit.aet.core.constants.DocumentType;
 import de.tum.cit.aet.core.constants.Language;
+import de.tum.cit.aet.core.domain.DocumentDictionary;
 import de.tum.cit.aet.core.domain.ProfileImage;
 import de.tum.cit.aet.core.repository.DocumentDictionaryRepository;
 import de.tum.cit.aet.core.repository.DocumentRepository;
@@ -163,7 +164,7 @@ void setUp() {
     }
 
     @Test
-    void shouldDeleteApplicantAndAllAssociatedData() throws Exception {
+    void shouldDeleteApplicantAndAllAssociatedData() {
         User professor = UserTestData.saveProfessor(researchGroup, userRepository);
         User savedApplicantUser = ApplicantTestData.saveApplicant("applicant@test.local", userRepository);
         UUID applicantId = savedApplicantUser.getUserId();
@@ -186,7 +187,7 @@ void shouldDeleteApplicantAndAllAssociatedData() throws Exception {
             DocumentType.CV,
             "cv.pdf"
         );
-        var applicantProfileDictionary = DocumentTestData.savedDictionaryWithMockDocument(
+        DocumentDictionary applicantProfileDictionary = DocumentTestData.savedDictionaryWithMockDocument(
             documentRepository,
             documentDictionaryRepository,
             savedApplicantUser,

src/test/java/de/tum/cit/aet/core/web/UserDataExportResourceTest.java

@@ -30,6 +30,7 @@
 import java.util.Map;
 import java.util.Set;
 import java.util.UUID;
+import java.util.stream.Stream;
 import java.util.zip.ZipEntry;
 import java.util.zip.ZipInputStream;
 import org.junit.jupiter.api.BeforeEach;
@@ -183,7 +184,7 @@ void pendingExportIsProcessedAndZipCreated() throws Exception {
     }
 
     @Test
-    void downloadRequiresAuthenticationAndUpdatesStatus() throws Exception {
+    void downloadRequiresAuthenticationAndUpdatesStatus() {
         User user = savedUser("download-user@tum.de");
 
         DataExportRequest request = new DataExportRequest();
@@ -300,7 +301,7 @@ private User savedUser(String email) {
     private void cleanExportRoot() {
         Path root = Paths.get(exportRootConfig).toAbsolutePath().normalize();
         if (Files.exists(root)) {
-            try (var stream = Files.walk(root)) {
+            try (Stream<Path> stream = Files.walk(root)) {
                 stream
                     .sorted(Comparator.reverseOrder())
                     .forEach(path -> {