added iOS source code

[wl-app.git] / iOS / Pods / AlamofireActivityLogger / alamofire_activity_logger / ActivityLogger / Logger.swift

diff --git a/iOS/Pods/AlamofireActivityLogger/alamofire_activity_logger/ActivityLogger/Logger.swift b/iOS/Pods/AlamofireActivityLogger/alamofire_activity_logger/ActivityLogger/Logger.swift
new file mode 100644 (file)
index 0000000..c23cad9
--- /dev/null
+++ b/iOS/Pods/AlamofireActivityLogger/alamofire_activity_logger/ActivityLogger/Logger.swift
@@ -0,0 +1,135 @@
+//
+//  Logger.swift
+//  alamofire_activity_logger
+//
+//  Created by Manuel García-Estañ on 14/9/16.
+//  Copyright © 2016 manuege. All rights reserved.
+//
+
+import Foundation
+
+private let nullString = "(null)"
+private let separatorString = "*******************************"
+
+/**
+ A set of static methods which logs request and responses
+ */
+internal struct Logger {
+    
+    internal static func logRequest(request: URLRequest?, level: LogLevel, options: [LogOption], printer: Printer) {
+        
+        guard let request = request else {
+            return
+        }
+        
+        let method = request.httpMethod!
+        let url = request.url?.absoluteString ?? nullString
+        let headers = prettyPrintedString(from: request.allHTTPHeaderFields) ?? nullString
+        
+        // separator
+        let openSeparator = options.contains(.includeSeparator) ? "\(separatorString)\n" : ""
+        let closeSeparator = options.contains(.includeSeparator) ? "\n\(separatorString)" : ""
+        
+        switch (level) {
+        case .all:
+            let prettyPrint = options.contains(.jsonPrettyPrint)
+            let body = string(from: request.httpBody, prettyPrint: prettyPrint) ?? nullString
+            printer.print("\(openSeparator)[Request] \(method) '\(url)':\n\n[Headers]\n\(headers)\n\n[Body]\n\(body)\(closeSeparator)", phase: .request)
+            
+        case .info:
+            printer.print("\(openSeparator)[Request] \(method) '\(url)'\(closeSeparator)", phase: .request)
+            
+        default:
+            break
+        }
+    }
+    
+    internal static func logResponse(request: URLRequest?, response: ResponseInfo, level: LogLevel, options: [LogOption], printer: Printer) {
+        
+        guard level != .none else {
+            return
+        }
+        
+        let httpResponse = response.httpResponse
+        let data = response.data
+        let elapsedTime = response.elapsedTime
+        let error = response.error
+        
+        if request == nil && response.httpResponse == nil {
+            return
+        }
+        
+        // options
+        let prettyPrint = options.contains(.jsonPrettyPrint)
+        
+        // request
+        let requestMethod = request?.httpMethod ?? nullString
+        let requestUrl = request?.url?.absoluteString ?? nullString
+        
+        // response
+        let responseStatusCode = httpResponse?.statusCode ?? 0
+        let responseHeaders = prettyPrintedString(from: httpResponse?.allHeaderFields) ?? nullString
+        let responseData = string(from: data, prettyPrint: prettyPrint) ?? nullString
+        
+        // time
+        let elapsedTimeString = String(format: "[%.4f s]", elapsedTime)
+        
+        // separator
+        let openSeparator = options.contains(.includeSeparator) ? "\(separatorString)\n" : ""
+        let closeSeparator = options.contains(.includeSeparator) ? "\n\(separatorString)" : ""
+        
+        // log
+        let success = (error == nil)
+        let responseTitle = success ? "Response" : "Response Error"
+        switch level {
+        case .all:
+            printer.print("\(openSeparator)[\(responseTitle)] \(responseStatusCode) '\(requestUrl)' \(elapsedTimeString):\n\n[Headers]:\n\(responseHeaders)\n\n[Body]\n\(responseData)\(closeSeparator)", phase: .response(success: success))
+        case .info:
+            printer.print("\(openSeparator)[\(responseTitle)] \(responseStatusCode) '\(requestUrl)' \(elapsedTimeString)\(closeSeparator)", phase: .response(success: success))
+        case .error:
+            if let error = error {
+                printer.print("\(openSeparator)[\(responseTitle)] \(requestMethod) '\(requestUrl)' \(elapsedTimeString) s: \(error)\(closeSeparator)", phase: .response(success: success))
+            }
+        default:
+            break
+        }
+    }
+    
+    // MARK: - Private helpers
+    private static func string(from data: Data?, prettyPrint: Bool) -> String? {
+        
+        guard let data = data else {
+            return nil
+        }
+        
+        var response: String? = nil
+        
+        if prettyPrint,
+            let json = try? JSONSerialization.jsonObject(with: data, options: []),
+            let prettyString = prettyPrintedString(from: json) {
+            response = prettyString
+        }
+            
+        else if let dataString = String.init(data: data, encoding: .utf8) {
+            response = dataString
+        }
+        
+        return response
+    }
+    
+    private static func prettyPrintedString(from json: Any?) -> String? {
+        guard let json = json else {
+            return nil
+        }
+        
+        var response: String? = nil
+        
+        if let data = try? JSONSerialization.data(withJSONObject: json, options: .prettyPrinted),
+            let dataString = String.init(data: data, encoding: .utf8) {
+            response = dataString
+        }
+        
+        return response
+    }
+
+}