/* * This file is part of the SDWebImage package. * (c) Olivier Poitrey * (c) Jamie Pinkham * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */ #import "SDWebImageCompat.h" /// An error domain represent SDWebImage loading system with custom codes FOUNDATION_EXPORT NSErrorDomain const _Nonnull SDWebImageErrorDomain; /// The response instance for invalid download response (NSURLResponse *) FOUNDATION_EXPORT NSErrorUserInfoKey const _Nonnull SDWebImageErrorDownloadResponseKey; /// The HTTP status code for invalid download response (NSNumber *) FOUNDATION_EXPORT NSErrorUserInfoKey const _Nonnull SDWebImageErrorDownloadStatusCodeKey; /// The HTTP MIME content type for invalid download response (NSString *) FOUNDATION_EXPORT NSErrorUserInfoKey const _Nonnull SDWebImageErrorDownloadContentTypeKey; /// SDWebImage error domain and codes typedef NS_ERROR_ENUM(SDWebImageErrorDomain, SDWebImageError) { SDWebImageErrorInvalidURL = 1000, // The URL is invalid, such as nil URL or corrupted URL SDWebImageErrorBadImageData = 1001, // The image data can not be decoded to image, or the image data is empty SDWebImageErrorCacheNotModified = 1002, // The remote location specify that the cached image is not modified, such as the HTTP response 304 code. It's useful for `SDWebImageRefreshCached` SDWebImageErrorBlackListed = 1003, // The URL is blacklisted because of unrecoverable failure marked by downloader (such as 404), you can use `.retryFailed` option to avoid this SDWebImageErrorInvalidDownloadOperation = 2000, // The image download operation is invalid, such as nil operation or unexpected error occur when operation initialized SDWebImageErrorInvalidDownloadStatusCode = 2001, // The image download response a invalid status code. You can check the status code in error's userInfo under `SDWebImageErrorDownloadStatusCodeKey` SDWebImageErrorCancelled = 2002, // The image loading operation is cancelled before finished, during either async disk cache query, or waiting before actual network request. For actual network request error, check `NSURLErrorDomain` error domain and code. SDWebImageErrorInvalidDownloadResponse = 2003, // When using response modifier, the modified download response is nil and marked as failed. SDWebImageErrorInvalidDownloadContentType = 2004, // The image download response a invalid content type. You can check the MIME content type in error's userInfo under `SDWebImageErrorDownloadContentTypeKey` };