Project Setup

iOSTask/Pods/AlamofireImage/Source/AFIError.swift

@@ -0,0 +1,72 @@
+//
+//  AFIError.swift
+//
+//  Copyright (c) 2015 Alamofire Software Foundation (http://alamofire.org/)
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy
+//  of this software and associated documentation files (the "Software"), to deal
+//  in the Software without restriction, including without limitation the rights
+//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+//  copies of the Software, and to permit persons to whom the Software is
+//  furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in
+//  all copies or substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+//  THE SOFTWARE.
+//
+
+import Alamofire
+import Foundation
+
+/// `AFIError` is the error type returned by AlamofireImage.
+///
+/// - requestCancelled:         The request was explicitly cancelled.
+/// - imageSerializationFailed: Response data could not be serialized into an image.
+public enum AFIError: Error {
+    case requestCancelled
+    case imageSerializationFailed
+    case alamofireError(AFError)
+}
+
+// MARK: - Error Booleans
+
+extension AFIError {
+    /// Returns `true` if the `AFIError` is a request cancellation error, `false` otherwise.
+    public var isRequestCancelledError: Bool {
+        if case .requestCancelled = self { return true }
+        return false
+    }
+
+    /// Returns `true` if the `AFIError` is an image serialization error, `false` otherwise.
+    public var isImageSerializationFailedError: Bool {
+        if case .imageSerializationFailed = self { return true }
+        return false
+    }
+
+    public var isAlamofireError: Bool {
+        if case .alamofireError = self { return true }
+        return false
+    }
+}
+
+// MARK: - Error Descriptions
+
+extension AFIError: LocalizedError {
+    public var errorDescription: String? {
+        switch self {
+        case .requestCancelled:
+            return "The request was explicitly cancelled."
+        case .imageSerializationFailed:
+            return "Response data could not be serialized into an image."
+        case let .alamofireError(error):
+            return "Request failed due to an underlying Alamofire error: \(error.localizedDescription)"
+        }
+    }
+}