src/main/java/com/packagemanagement/presentation/exception/GlobalExceptionHandler.java - master - Chebarik/PackageManagement

src/main/java/com/packagemanagement/presentation/exception/GlobalExceptionHandler.java
142 строки6 KB
Николай Мехоношин
Implemented non functional requirements
14 апр 2026, 18:37
14 апр 2026, 18:372e86838
package com.packagemanagement.presentation.exception;

import com.packagemanagement.domain.exception.InvalidPackageFormatException;
import com.packagemanagement.domain.exception.PackageAlreadyExistsException;
import com.packagemanagement.domain.exception.PackageNotFoundException;
import com.packagemanagement.domain.exception.RateLimitExceededException;
import com.packagemanagement.domain.exception.VersionNotFoundException;
import com.packagemanagement.presentation.response.ApiResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.validation.FieldError;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.security.access.AccessDeniedException;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.multipart.MaxUploadSizeExceededException;
import org.springframework.web.servlet.resource.NoResourceFoundException;

import java.util.HashMap;
import java.util.Map;

@RestControllerAdvice
public class GlobalExceptionHandler {

    private static final Logger log = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    @ExceptionHandler(PackageNotFoundException.class)
    public ResponseEntity<ApiResponse<Void>> handlePackageNotFound(PackageNotFoundException ex) {
        log.warn("Package not found: {}", ex.getPackageId());
        return ResponseEntity
                .status(HttpStatus.NOT_FOUND)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(VersionNotFoundException.class)
    public ResponseEntity<ApiResponse<Void>> handleVersionNotFound(VersionNotFoundException ex) {
        log.warn("Version not found: {}:{}", ex.getPackageId(), ex.getVersionNumber());
        return ResponseEntity
                .status(HttpStatus.NOT_FOUND)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(PackageAlreadyExistsException.class)
    public ResponseEntity<ApiResponse<Void>> handlePackageAlreadyExists(PackageAlreadyExistsException ex) {
        log.warn("Package already exists: {}", ex.getPackageName());
        return ResponseEntity
                .status(HttpStatus.CONFLICT)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(InvalidPackageFormatException.class)
    public ResponseEntity<ApiResponse<Void>> handleInvalidPackageFormat(InvalidPackageFormatException ex) {
        log.warn("Invalid package format: {}", ex.getExpectedFormat());
        return ResponseEntity
                .status(HttpStatus.BAD_REQUEST)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(IllegalArgumentException.class)
    public ResponseEntity<ApiResponse<Void>> handleIllegalArgument(IllegalArgumentException ex) {
        log.warn("Invalid argument: {}", ex.getMessage());
        return ResponseEntity
                .status(HttpStatus.BAD_REQUEST)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(IllegalStateException.class)
    public ResponseEntity<ApiResponse<Void>> handleIllegalState(IllegalStateException ex) {
        log.warn("Invalid state: {}", ex.getMessage());
        return ResponseEntity
                .status(HttpStatus.CONFLICT)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public ResponseEntity<ApiResponse<Map<String, String>>> handleValidationErrors(
            MethodArgumentNotValidException ex) {
        Map<String, String> errors = new HashMap<>();
        ex.getBindingResult().getAllErrors().forEach(error -> {
            String fieldName = ((FieldError) error).getField();
            String errorMessage = error.getDefaultMessage();
            errors.put(fieldName, errorMessage);
        });

        log.warn("Validation errors: {}", errors);
        return ResponseEntity
                .status(HttpStatus.BAD_REQUEST)
                .body(new ApiResponse<>(false, errors, "Validation failed", 
                        java.time.Instant.now().toString()));
    }

    @ExceptionHandler(MaxUploadSizeExceededException.class)
    public ResponseEntity<ApiResponse<Void>> handleMaxUploadSize(MaxUploadSizeExceededException ex) {
        log.warn("File upload too large: {}", ex.getMessage());
        return ResponseEntity
                .status(HttpStatus.PAYLOAD_TOO_LARGE)
                .body(ApiResponse.error("File size exceeds maximum allowed size"));
    }

    @ExceptionHandler(RateLimitExceededException.class)
    public ResponseEntity<ApiResponse<Void>> handleRateLimitExceeded(RateLimitExceededException ex) {
        log.warn("Rate limit exceeded: {}", ex.getClientKey());
        return ResponseEntity
                .status(HttpStatus.TOO_MANY_REQUESTS)
                .header("Retry-After", String.valueOf(ex.getRetryAfterSeconds()))
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(BadCredentialsException.class)
    public ResponseEntity<ApiResponse<Void>> handleBadCredentials(BadCredentialsException ex) {
        log.warn("Authentication failed: {}", ex.getMessage());
        return ResponseEntity
                .status(HttpStatus.UNAUTHORIZED)
                .body(ApiResponse.error(ex.getMessage()));
    }

    @ExceptionHandler(AccessDeniedException.class)
    public ResponseEntity<ApiResponse<Void>> handleAccessDenied(AccessDeniedException ex) {
        log.warn("Access denied: {}", ex.getMessage());
        return ResponseEntity
                .status(HttpStatus.FORBIDDEN)
                .body(ApiResponse.error("Access denied. Insufficient permissions."));
    }

    @ExceptionHandler(NoResourceFoundException.class)
    public ResponseEntity<ApiResponse<Void>> handleNoResourceFound(NoResourceFoundException ex) {
        return ResponseEntity
                .status(HttpStatus.NOT_FOUND)
                .body(ApiResponse.error("Resource not found"));
    }

    @ExceptionHandler(Exception.class)
    public ResponseEntity<ApiResponse<Void>> handleGenericException(Exception ex) {
        log.error("Unexpected error", ex);
        return ResponseEntity
                .status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body(ApiResponse.error("An unexpected error occurred"));
    }
}