Use explicit NIO imports (#220)

- Use explicit NIO modules `NIOCore`, `NIOPosix` and `NIOEmbedded` introduced with SwiftNIO 2.32.0

Author: fabianfett

Package.swift

@@ -20,14 +20,16 @@ let package = Package(
     targets: [
         .target(name: "AWSLambdaRuntime", dependencies: [
             .byName(name: "AWSLambdaRuntimeCore"),
-            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
             .product(name: "NIOFoundationCompat", package: "swift-nio"),
         ]),
         .target(name: "AWSLambdaRuntimeCore", dependencies: [
             .product(name: "Logging", package: "swift-log"),
             .product(name: "Backtrace", package: "swift-backtrace"),
             .product(name: "NIOHTTP1", package: "swift-nio"),
-            .product(name: "NIO", package: "swift-nio"),
+            .product(name: "NIOCore", package: "swift-nio"),
+            .product(name: "NIOConcurrencyHelpers", package: "swift-nio"),
+            .product(name: "NIOPosix", package: "swift-nio"),
             .product(name: "_NIOConcurrency", package: "swift-nio"),
         ]),
         .testTarget(name: "AWSLambdaRuntimeCoreTests", dependencies: [

Sources/AWSLambdaRuntime/Lambda+Codable.swift

@@ -16,7 +16,7 @@
 import struct Foundation.Data
 import class Foundation.JSONDecoder
 import class Foundation.JSONEncoder
-import NIO
+import NIOCore
 import NIOFoundationCompat
 
 /// Extension to the `Lambda` companion to enable execution of Lambdas that take and return `Codable` events.

Sources/AWSLambdaRuntimeCore/HTTPClient.swift

@@ -12,9 +12,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-import NIO
 import NIOConcurrencyHelpers
+import NIOCore
 import NIOHTTP1
+import NIOPosix
 
 /// A barebone HTTP client to interact with AWS Runtime Engine which is an HTTP server.
 /// Note that Lambda Runtime API dictate that only one requests runs at a time.

Sources/AWSLambdaRuntimeCore/Lambda+LocalServer.swift

@@ -15,9 +15,10 @@
 #if DEBUG
 import Dispatch
 import Logging
-import NIO
 import NIOConcurrencyHelpers
+import NIOCore
 import NIOHTTP1
+import NIOPosix
 
 // This functionality is designed for local testing hence beind a #if DEBUG flag.
 // For example:

Sources/AWSLambdaRuntimeCore/Lambda+String.swift

@@ -11,7 +11,7 @@
 // SPDX-License-Identifier: Apache-2.0
 //
 //===----------------------------------------------------------------------===//
-import NIO
+import NIOCore
 
 /// Extension to the `Lambda` companion to enable execution of Lambdas that take and return `String` events.
 extension Lambda {

Sources/AWSLambdaRuntimeCore/Lambda.swift

@@ -21,7 +21,8 @@ import Darwin.C
 import _NIOConcurrency
 import Backtrace
 import Logging
-import NIO
+import NIOCore
+import NIOPosix
 
 public enum Lambda {
     public typealias Handler = ByteBufferLambdaHandler

Sources/AWSLambdaRuntimeCore/LambdaConfiguration.swift

@@ -14,7 +14,7 @@
 
 import Dispatch
 import Logging
-import NIO
+import NIOCore
 
 extension Lambda {
     internal struct Configuration: CustomStringConvertible {

Sources/AWSLambdaRuntimeCore/LambdaContext.swift

@@ -14,7 +14,7 @@
 
 import Dispatch
 import Logging
-import NIO
+import NIOCore
 
 // MARK: - InitializationContext
 

Sources/AWSLambdaRuntimeCore/LambdaHandler.swift

@@ -14,7 +14,7 @@
 
 import _NIOConcurrency
 import Dispatch
-import NIO
+import NIOCore
 
 // MARK: - LambdaHandler
 

Sources/AWSLambdaRuntimeCore/LambdaLifecycle.swift

@@ -13,8 +13,8 @@
 //===----------------------------------------------------------------------===//
 
 import Logging
-import NIO
 import NIOConcurrencyHelpers
+import NIOCore
 
 extension Lambda {
     /// `Lifecycle` manages the Lambda process lifecycle.