批量导入导出配置文件功能 for Swift 3

已解决冲突问题，请Merge

ShadowsocksX-NG/ServerProfileManager.swift

@@ -2,7 +2,7 @@
 //  ServerProfileManager.swift
 //  ShadowsocksX-NG
 //
-//  Created by 邱宇舟 on 16/6/6.
+//  Created by 邱宇舟 on 16/6/6. Modified by 秦宇航 16/9/12
 //  Copyright © 2016年 qiuyuzhou. All rights reserved.
 //
 
@@ -70,4 +70,114 @@ class ServerProfileManager: NSObject {
             return nil
         }
     }
+    
+    func importConfigFile() {
+        let openPanel = NSOpenPanel()
+        openPanel.title = "Choose Config Json File".localized
+        openPanel.allowsMultipleSelection = false
+        openPanel.canChooseDirectories = false
+        openPanel.canCreateDirectories = false
+        openPanel.canChooseFiles = true
+        openPanel.becomeKey()
+        openPanel.begin { (result) -> Void in
+            if (result == NSFileHandlingPanelOKButton && (openPanel.url) != nil) {
+                let fileManager = FileManager.default
+                let filePath:String = (openPanel.url?.path)!
+                if (fileManager.fileExists(atPath: filePath) && filePath.hasSuffix("json")) {
+                    let data = fileManager.contents(atPath: filePath)
+                    let readString = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)!
+                    let readStringData = readString.data(using: String.Encoding.utf8.rawValue)
+                    
+                    let jsonArr1 = try! JSONSerialization.jsonObject(with: readStringData!, options: JSONSerialization.ReadingOptions.mutableContainers) as! NSDictionary
+                    
+                    for item in jsonArr1.object(forKey: "configs") as! [[String: AnyObject]]{
+                        let profile = ServerProfile()
+                        profile.serverHost = item["server"] as! String
+                        profile.serverPort = UInt16((item["server_port"]?.integerValue)!)
+                        profile.method = item["method"] as! String
+                        profile.password = item["password"] as! String
+                        profile.remark = item["remarks"] as! String
+                        self.profiles.append(profile)
+                        self.save()
+                        NotificationCenter.default.post(name: NSNotification.Name(rawValue: NOTIFY_SERVER_PROFILES_CHANGED), object: nil)
+                    }
+                    let configsCount = (jsonArr1.object(forKey: "configs") as! [[String: AnyObject]]).count
+                    let notification = NSUserNotification()
+                    notification.title = "Import Server Profile succeed!".localized
+                    notification.informativeText = "Successful import \(configsCount) items".localized
+                    NSUserNotificationCenter.default
+                        .deliver(notification)
+                }else{
+                    let notification = NSUserNotification()
+                    notification.title = "Import Server Profile failed!".localized
+                    notification.informativeText = "Invalid config file!".localized
+                    NSUserNotificationCenter.default
+                        .deliver(notification)
+                    return
+                }
+            }
+        }
+    }
+    
+    func exportConfigFile() {
+        //读取example文件，删掉configs里面的配置，再用NSDictionary填充到configs里面
+        let fileManager = FileManager.default
+        
+        let filePath:String = Bundle.main.bundlePath + "/Contents/Resources/example-gui-config.json"
+        let data = fileManager.contents(atPath: filePath)
+        let readString = NSString(data: data!, encoding: String.Encoding.utf8.rawValue)!
+        let readStringData = readString.data(using: String.Encoding.utf8.rawValue)
+        let jsonArr1 = try! JSONSerialization.jsonObject(with: readStringData!, options: JSONSerialization.ReadingOptions.mutableContainers) as! NSDictionary
+        
+        let configsArray:NSMutableArray = [] //not using var?
+        
+        for profile in profiles{
+            let configProfile:NSMutableDictionary = [:] //not using var?
+            //standard ss profile
+            configProfile.setValue(true, forKey: "enable")
+            configProfile.setValue(profile.serverHost, forKey: "server")
+            configProfile.setValue(NSNumber(value:profile.serverPort), forKey: "server_port")//not work
+            configProfile.setValue(profile.password, forKey: "password")
+            configProfile.setValue(profile.method, forKey: "method")
+            configProfile.setValue(profile.remark, forKey: "remarks")
+            configProfile.setValue(profile.remark.data(using: String.Encoding.utf8)?.base64EncodedString(options: NSData.Base64EncodingOptions(rawValue: 0)), forKey: "remarks_base64")
+            configsArray.add(configProfile)
+        }
+        jsonArr1.setValue(configsArray, forKey: "configs")
+        let jsonData = try! JSONSerialization.data(withJSONObject: jsonArr1, options: JSONSerialization.WritingOptions.prettyPrinted)
+        let jsonString = NSString(data: jsonData, encoding: String.Encoding.utf8.rawValue)! as String
+        let savePanel = NSSavePanel()
+        savePanel.title = "Export Config Json File".localized
+        savePanel.canCreateDirectories = true
+        savePanel.allowedFileTypes = ["json"]
+        savePanel.nameFieldStringValue = "export.json"
+        savePanel.becomeKey()
+        savePanel.begin { (result) -> Void in
+            if (result == NSFileHandlingPanelOKButton && (savePanel.url) != nil) {
+                //write jsonArr1 back to file
+                try! jsonString.write(toFile: (savePanel.url?.path)!, atomically: true, encoding: String.Encoding.utf8)
+                NSWorkspace.shared().selectFile((savePanel.url?.path)!, inFileViewerRootedAtPath: (savePanel.directoryURL?.path)!)
+                let notification = NSUserNotification()
+                notification.title = "Export Server Profile succeed!".localized
+                notification.informativeText = "Successful Export \(self.profiles.count) items".localized
+                NSUserNotificationCenter.default
+                    .deliver(notification)
+            }
+        }
+    }
+    
+    class func showExampleConfigFile() {
+        //copy file to ~/Downloads folder
+        let filePath:String = Bundle.main.bundlePath + "/Contents/Resources/example-gui-config.json"
+        let fileMgr = FileManager.default
+        let dataPath = NSHomeDirectory() + "/Downloads"
+        let destPath = dataPath + "/example-gui-config.json"
+        //检测文件是否已经存在，如果存在直接用sharedWorkspace显示
+        if fileMgr.fileExists(atPath: destPath) {
+            NSWorkspace.shared().selectFile(destPath, inFileViewerRootedAtPath: dataPath)
+        }else{
+            try! fileMgr.copyItem(atPath: filePath, toPath: destPath)
+            NSWorkspace.shared().selectFile(destPath, inFileViewerRootedAtPath: dataPath)
+        }
+    }
 }