OZG-4949 Refactored Exception Controller into individual methods

src/main/java/de/ozgcloud/admin/common/errorhandling/ExceptionController.java

@@ -46,25 +46,29 @@ import de.ozgcloud.common.errorhandling.TechnicalException;
 @RestControllerAdvice
 public class ExceptionController extends ResponseEntityExceptionHandler {
 
-	static final Map<Class<? extends Exception>, HttpStatus> STATUS_BY_EXCEPTION = Map.of(
-			RuntimeException.class, HttpStatus.INTERNAL_SERVER_ERROR,
-			AccessDeniedException.class, HttpStatus.FORBIDDEN,
-			ConstraintViolationException.class, HttpStatus.UNPROCESSABLE_ENTITY,
-			ResourceNotFoundException.class, HttpStatus.NOT_FOUND,
-			FunctionalException.class, HttpStatus.BAD_REQUEST,
-			TechnicalException.class, HttpStatus.INTERNAL_SERVER_ERROR);
-
-	@ExceptionHandler({
-			RuntimeException.class,
-			AccessDeniedException.class,
-			ResourceNotFoundException.class,
-			FunctionalException.class,
-			TechnicalException.class
-	})
-	public ErrorResponse handleException(RuntimeException ex) {
-		var status = STATUS_BY_EXCEPTION.getOrDefault(ex.getClass(), HttpStatus.INTERNAL_SERVER_ERROR);
-
-		return ErrorResponse.builder(ex, status, ex.getLocalizedMessage()).build();
+	@ExceptionHandler(RuntimeException.class)
+	public ErrorResponse handleRuntimeException(RuntimeException ex) {
+		return ErrorResponse.builder(ex, HttpStatus.INTERNAL_SERVER_ERROR, ex.getLocalizedMessage()).build();
+	}
+
+	@ExceptionHandler(AccessDeniedException.class)
+	public ErrorResponse handleAccessDeniedException(AccessDeniedException ex) {
+		return ErrorResponse.builder(ex, HttpStatus.FORBIDDEN, ex.getLocalizedMessage()).build();
+	}
+
+	@ExceptionHandler(ResourceNotFoundException.class)
+	public ErrorResponse handleResourceNotFoundException(ResourceNotFoundException ex) {
+		return ErrorResponse.builder(ex, HttpStatus.NOT_FOUND, ex.getLocalizedMessage()).build();
+	}
+
+	@ExceptionHandler(FunctionalException.class)
+	public ErrorResponse handleFunctionalException(FunctionalException ex) {
+		return ErrorResponse.builder(ex, HttpStatus.BAD_REQUEST, ex.getLocalizedMessage()).build();
+	}
+
+	@ExceptionHandler(TechnicalException.class)
+	public ErrorResponse handleTechnicalException(TechnicalException ex) {
+		return ErrorResponse.builder(ex, HttpStatus.INTERNAL_SERVER_ERROR, ex.getLocalizedMessage()).build();
 	}
 
 	@ExceptionHandler(ConstraintViolationException.class)

src/test/java/de/ozgcloud/admin/common/errorhandling/ExceptionControllerITCase.java

@@ -72,7 +72,7 @@ class ExceptionControllerITCase {
 		}
 
 		private static Stream<Arguments> exceptionAndExpectedStatus() {
-			return ExceptionController.STATUS_BY_EXCEPTION.entrySet().stream().map(kv -> Arguments.of(kv.getKey(), kv.getValue()));
+			return TestErrorController.STATUS_BY_EXCEPTION.entrySet().stream().map(kv -> Arguments.of(kv.getKey(), kv.getValue()));
 		}
 
 	}

src/test/java/de/ozgcloud/admin/common/errorhandling/ExceptionControllerTest.java

@@ -21,7 +21,6 @@
  */
 package de.ozgcloud.admin.common.errorhandling;
 
-import static de.ozgcloud.admin.common.errorhandling.ExceptionController.*;
 import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.*;
 import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.*;
 
@@ -111,7 +110,7 @@ class ExceptionControllerTest {
 		}
 
 		private static Stream<Arguments> exceptionAndExpectedStatus() {
-			return STATUS_BY_EXCEPTION.entrySet().stream().map(kv -> Arguments.of(kv.getKey(), kv.getValue()));
+			return TestErrorController.STATUS_BY_EXCEPTION.entrySet().stream().map(kv -> Arguments.of(kv.getKey(), kv.getValue()));
 		}
 
 		@SneakyThrows

src/test/java/de/ozgcloud/admin/common/errorhandling/TestErrorController.java

@@ -27,6 +27,7 @@ import java.util.Map;
 import jakarta.validation.ConstraintViolationException;
 
 import org.springframework.data.rest.webmvc.ResourceNotFoundException;
+import org.springframework.http.HttpStatus;
 import org.springframework.security.access.AccessDeniedException;
 import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
@@ -44,6 +45,14 @@ class TestErrorController {
 		Exception produceException();
 	}
 
+	static final Map<Class<? extends Exception>, HttpStatus> STATUS_BY_EXCEPTION = Map.of(
+			RuntimeException.class, HttpStatus.INTERNAL_SERVER_ERROR,
+			AccessDeniedException.class, HttpStatus.FORBIDDEN,
+			ConstraintViolationException.class, HttpStatus.UNPROCESSABLE_ENTITY,
+			ResourceNotFoundException.class, HttpStatus.NOT_FOUND,
+			FunctionalException.class, HttpStatus.BAD_REQUEST,
+			TechnicalException.class, HttpStatus.INTERNAL_SERVER_ERROR);
+
 	static final String ERROR_MESSAGE = "error message";
 
 	static Map<Class<? extends Exception>, ExceptionProducer> EXCEPTION_PRODUCER = Map.of(