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firebase-ios-sdk/FirebaseStorage/Sources/StorageError.swift
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100 lines
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Swift

// Copyright 2021 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
import Foundation
import FirebaseStorageInternal
// The error domain for codes in the StorageErrorCode enum.
public let StorageErrorDomain: String = "FIRStorageErrorDomain"
public enum StorageError: Error {
case unknown
case objectNotFound(String)
case bucketNotFound(String)
case projectNotFound(String)
case quotaExceeded(String)
case unauthenticated
case unauthorized(String, String)
case retryLimitExceeded
case nonMatchingChecksum
case downloadSizeExceeded(Int64, Int64)
case cancelled
case invalidArgument(String)
case internalError(String)
static func swiftConvert(objcError: NSError) -> StorageError {
let userInfo = objcError.userInfo
switch objcError.code {
case FIRIMPLStorageErrorCode.unknown.rawValue: return StorageError.unknown
case FIRIMPLStorageErrorCode.objectNotFound.rawValue:
guard let object = userInfo["object"] as? String else {
return StorageError
.internalError(
"Failed to decode object not found error: \(objcError.localizedDescription)"
)
}
return StorageError.objectNotFound(object)
case FIRIMPLStorageErrorCode.bucketNotFound.rawValue:
guard let bucket = userInfo["bucket"] as? String else {
return StorageError
.internalError(
"Failed to decode bucket not found error: \(objcError.localizedDescription)"
)
}
return StorageError.bucketNotFound(bucket)
case FIRIMPLStorageErrorCode.projectNotFound.rawValue:
guard let project = userInfo["project"] as? String else {
return StorageError
.internalError(
"Failed to decode project not found error: \(objcError.localizedDescription)"
)
}
return StorageError.projectNotFound(project)
case FIRIMPLStorageErrorCode.quotaExceeded.rawValue:
guard let bucket = userInfo["bucket"] as? String else {
return StorageError
.internalError("Failed to decode quota exceeded error: \(objcError.localizedDescription)")
}
return StorageError.quotaExceeded(bucket)
case FIRIMPLStorageErrorCode.unauthenticated.rawValue: return StorageError.unauthenticated
case FIRIMPLStorageErrorCode.unauthorized.rawValue:
guard let bucket = userInfo["bucket"] as? String,
let object = userInfo["object"] as? String else {
return StorageError
.internalError(
"Failed to decode unauthorized error: \(objcError.localizedDescription)"
)
}
return StorageError.unauthorized(bucket, object)
case FIRIMPLStorageErrorCode.retryLimitExceeded.rawValue: return StorageError.retryLimitExceeded
case FIRIMPLStorageErrorCode.nonMatchingChecksum.rawValue: return StorageError
.nonMatchingChecksum
case FIRIMPLStorageErrorCode.downloadSizeExceeded.rawValue:
guard let total = userInfo["totalSize"] as? Int64,
let maxSize = userInfo["maxAllowedSize"] as? Int64 else {
return StorageError
.internalError(
"Failed to decode downloadSizeExceeded error: \(objcError.localizedDescription)"
)
}
return StorageError.downloadSizeExceeded(total, maxSize)
case FIRIMPLStorageErrorCode.cancelled.rawValue: return StorageError.cancelled
case FIRIMPLStorageErrorCode.invalidArgument.rawValue: return StorageError
.invalidArgument(objcError.localizedDescription)
default: return StorageError.internalError("Internal error converting ObjC Error to Swift")
}
}
}