bff/src/main/java/se/su/dsv/studentportalen/bff/exception/ForbiddenException.java

@@ -8,26 +8,26 @@ import org.springframework.http.HttpStatus;
  */
 public class ForbiddenException extends StudentportalenException {
 
-    public ForbiddenException(String message) {
-        super(message);
-    }
+  public ForbiddenException(String message) {
+    super(message);
+  }
 
-    public ForbiddenException(String message, Throwable cause) {
-        super(message, cause);
-    }
+  public ForbiddenException(String message, Throwable cause) {
+    super(message, cause);
+  }
 
-    @Override
-    public String getType() {
-        return "studentportalen:forbidden";
-    }
+  @Override
+  public String getType() {
+    return "studentportalen:forbidden";
+  }
 
-    @Override
-    public String getTitle() {
-        return "Access denied";
-    }
+  @Override
+  public String getTitle() {
+    return "Access denied";
+  }
 
-    @Override
-    public HttpStatus getStatus() {
-        return HttpStatus.FORBIDDEN;
-    }
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.FORBIDDEN;
+  }
 }

bff/src/main/java/se/su/dsv/studentportalen/bff/exception/GlobalExceptionHandler.java

@@ -1,5 +1,9 @@
 package se.su.dsv.studentportalen.bff.exception;
 
+import java.net.URI;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import org.springframework.http.HttpStatus;
@@ -9,11 +13,6 @@ import org.springframework.web.bind.MethodArgumentNotValidException;
 import org.springframework.web.bind.annotation.ExceptionHandler;
 import org.springframework.web.bind.annotation.RestControllerAdvice;
 
-import java.net.URI;
-import java.util.List;
-import java.util.Map;
-import java.util.stream.Collectors;
-
 /**
  * Centralized exception handler for all REST controllers.
  * Returns RFC 7807 Problem Details for all error responses.
@@ -21,65 +20,77 @@ import java.util.stream.Collectors;
 @RestControllerAdvice
 public class GlobalExceptionHandler {
 
-    private static final Logger LOG = LoggerFactory.getLogger(GlobalExceptionHandler.class);
+  private static final Logger LOG = LoggerFactory.getLogger(
+    GlobalExceptionHandler.class
+  );
 
-    /**
-     * Handles Jakarta Bean Validation errors (missing/invalid fields).
-     * Triggered when @Valid fails on request body.
-     */
-    @ExceptionHandler(MethodArgumentNotValidException.class)
-    public ProblemDetail handleValidation(MethodArgumentNotValidException ex) {
-        Map<String, List<String>> violations = ex.getBindingResult().getFieldErrors().stream()
-                .collect(Collectors.groupingBy(
-                        FieldError::getField,
-                        Collectors.mapping(
-                                error -> error.getDefaultMessage() != null ? error.getDefaultMessage() : "Invalid value",
-                                Collectors.toList()
-                        )
-                ));
+  /**
+   * Handles Jakarta Bean Validation errors (missing/invalid fields).
+   * Triggered when @Valid fails on request body.
+   */
+  @ExceptionHandler(MethodArgumentNotValidException.class)
+  public ProblemDetail handleValidation(MethodArgumentNotValidException ex) {
+    Map<String, List<String>> violations = ex
+      .getBindingResult()
+      .getFieldErrors()
+      .stream()
+      .collect(
+        Collectors.groupingBy(
+          FieldError::getField,
+          Collectors.mapping(
+            error ->
+              error.getDefaultMessage() != null
+                ? error.getDefaultMessage()
+                : "Invalid value",
+            Collectors.toList()
+          )
+        )
+      );
 
-        LOG.warn("Validation failed: {}", violations);
+    LOG.warn("Validation failed: {}", violations);
 
-        ProblemDetail problem = ProblemDetail.forStatus(HttpStatus.BAD_REQUEST);
-        problem.setType(URI.create("studentportalen:validation-error"));
-        problem.setTitle("Validation failed");
-        problem.setDetail("One or more fields are invalid");
-        problem.setProperty("violations", violations);
-        return problem;
+    ProblemDetail problem = ProblemDetail.forStatus(HttpStatus.BAD_REQUEST);
+    problem.setType(URI.create("studentportalen:validation-error"));
+    problem.setTitle("Validation failed");
+    problem.setDetail("One or more fields are invalid");
+    problem.setProperty("violations", violations);
+    return problem;
+  }
+
+  /**
+   * Handles business exceptions from the BFF.
+   * These include mapped errors from backend systems like Daisy.
+   */
+  @ExceptionHandler(StudentportalenException.class)
+  public ProblemDetail handleBusinessError(StudentportalenException ex) {
+    LOG.warn("Business error: {} - {}", ex.getType(), ex.getMessage());
+
+    ProblemDetail problem = ProblemDetail.forStatus(ex.getStatus());
+    problem.setType(URI.create(ex.getType()));
+    problem.setTitle(ex.getTitle());
+    problem.setDetail(ex.getMessage());
+
+    if (ex instanceof ValidationException ve && !ve.getViolations().isEmpty()) {
+      problem.setProperty("violations", ve.getViolations());
     }
 
-    /**
-     * Handles business exceptions from the BFF.
-     * These include mapped errors from backend systems like Daisy.
-     */
-    @ExceptionHandler(StudentportalenException.class)
-    public ProblemDetail handleBusinessError(StudentportalenException ex) {
-        LOG.warn("Business error: {} - {}", ex.getType(), ex.getMessage());
+    return problem;
+  }
 
-        ProblemDetail problem = ProblemDetail.forStatus(ex.getStatus());
-        problem.setType(URI.create(ex.getType()));
-        problem.setTitle(ex.getTitle());
-        problem.setDetail(ex.getMessage());
+  /**
+   * Handles unexpected errors.
+   * Logs the full stack trace but returns a generic message to the client.
+   */
+  @ExceptionHandler(Exception.class)
+  public ProblemDetail handleUnexpected(Exception ex) {
+    LOG.error("Unexpected error", ex);
 
-        if (ex instanceof ValidationException ve && !ve.getViolations().isEmpty()) {
-            problem.setProperty("violations", ve.getViolations());
-        }
-
-        return problem;
-    }
-
-    /**
-     * Handles unexpected errors.
-     * Logs the full stack trace but returns a generic message to the client.
-     */
-    @ExceptionHandler(Exception.class)
-    public ProblemDetail handleUnexpected(Exception ex) {
-        LOG.error("Unexpected error", ex);
-
-        ProblemDetail problem = ProblemDetail.forStatus(HttpStatus.INTERNAL_SERVER_ERROR);
-        problem.setType(URI.create("studentportalen:internal-error"));
-        problem.setTitle("An unexpected error occurred");
-        problem.setDetail("Please try again later");
-        return problem;
-    }
+    ProblemDetail problem = ProblemDetail.forStatus(
+      HttpStatus.INTERNAL_SERVER_ERROR
+    );
+    problem.setType(URI.create("studentportalen:internal-error"));
+    problem.setTitle("An unexpected error occurred");
+    problem.setDetail("Please try again later");
+    return problem;
+  }
 }

bff/src/main/java/se/su/dsv/studentportalen/bff/exception/ServiceUnavailableException.java

@@ -8,26 +8,26 @@ import org.springframework.http.HttpStatus;
  */
 public class ServiceUnavailableException extends StudentportalenException {
 
-    public ServiceUnavailableException(String message) {
-        super(message);
-    }
+  public ServiceUnavailableException(String message) {
+    super(message);
+  }
 
-    public ServiceUnavailableException(String message, Throwable cause) {
-        super(message, cause);
-    }
+  public ServiceUnavailableException(String message, Throwable cause) {
+    super(message, cause);
+  }
 
-    @Override
-    public String getType() {
-        return "studentportalen:service-unavailable";
-    }
+  @Override
+  public String getType() {
+    return "studentportalen:service-unavailable";
+  }
 
-    @Override
-    public String getTitle() {
-        return "Service unavailable";
-    }
+  @Override
+  public String getTitle() {
+    return "Service unavailable";
+  }
 
-    @Override
-    public HttpStatus getStatus() {
-        return HttpStatus.SERVICE_UNAVAILABLE;
-    }
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.SERVICE_UNAVAILABLE;
+  }
 }

bff/src/main/java/se/su/dsv/studentportalen/bff/exception/StudentportalenException.java

@@ -8,27 +8,27 @@ import org.springframework.http.HttpStatus;
  */
 public abstract class StudentportalenException extends RuntimeException {
 
-    protected StudentportalenException(String message) {
-        super(message);
-    }
+  protected StudentportalenException(String message) {
+    super(message);
+  }
 
-    protected StudentportalenException(String message, Throwable cause) {
-        super(message, cause);
-    }
+  protected StudentportalenException(String message, Throwable cause) {
+    super(message, cause);
+  }
 
-    /**
-     * The error type URI for RFC 7807 Problem Details.
-     * Example: "studentportalen:validation-error"
-     */
-    public abstract String getType();
+  /**
+   * The error type URI for RFC 7807 Problem Details.
+   * Example: "studentportalen:validation-error"
+   */
+  public abstract String getType();
 
-    /**
-     * A short, human-readable summary of the problem type.
-     */
-    public abstract String getTitle();
+  /**
+   * A short, human-readable summary of the problem type.
+   */
+  public abstract String getTitle();
 
-    /**
-     * The HTTP status code for this error.
-     */
-    public abstract HttpStatus getStatus();
+  /**
+   * The HTTP status code for this error.
+   */
+  public abstract HttpStatus getStatus();
 }

bff/src/main/java/se/su/dsv/studentportalen/bff/exception/ValidationException.java

@@ -1,9 +1,8 @@
 package se.su.dsv.studentportalen.bff.exception;
 
-import org.springframework.http.HttpStatus;
-
 import java.util.List;
 import java.util.Map;
+import org.springframework.http.HttpStatus;
 
 /**
  * Exception for validation errors, including field-level violations.
@@ -11,37 +10,40 @@ import java.util.Map;
  */
 public class ValidationException extends StudentportalenException {
 
-    private final Map<String, List<String>> violations;
+  private final Map<String, List<String>> violations;
 
-    public ValidationException(String message) {
-        this(message, Map.of());
-    }
+  public ValidationException(String message) {
+    this(message, Map.of());
+  }
 
-    public ValidationException(String message, Map<String, List<String>> violations) {
-        super(message);
-        this.violations = violations != null ? Map.copyOf(violations) : Map.of();
-    }
+  public ValidationException(
+    String message,
+    Map<String, List<String>> violations
+  ) {
+    super(message);
+    this.violations = violations != null ? Map.copyOf(violations) : Map.of();
+  }
 
-    @Override
-    public String getType() {
-        return "studentportalen:validation-error";
-    }
+  @Override
+  public String getType() {
+    return "studentportalen:validation-error";
+  }
 
-    @Override
-    public String getTitle() {
-        return "Validation failed";
-    }
+  @Override
+  public String getTitle() {
+    return "Validation failed";
+  }
 
-    @Override
-    public HttpStatus getStatus() {
-        return HttpStatus.BAD_REQUEST;
-    }
+  @Override
+  public HttpStatus getStatus() {
+    return HttpStatus.BAD_REQUEST;
+  }
 
-    /**
-     * Field-level validation errors.
-     * Keys are field names, values are lists of error messages.
-     */
-    public Map<String, List<String>> getViolations() {
-        return violations;
-    }
+  /**
+   * Field-level validation errors.
+   * Keys are field names, values are lists of error messages.
+   */
+  public Map<String, List<String>> getViolations() {
+    return violations;
+  }
 }