na-get-lib/NaGet.SubCommands/NaGetUninstall2.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using NaGet.Packages;
   4 using NaGet.Packages.Install;
   5 using NaGet.SubCommands;
   6 using NaGet.SubCommands.SubTask;
   7 using NaGet.Tasks;
   8
   9 namespace NaGet.SubCommands
  10 {
  11         /// <summary>
  12         /// ソフトのアンインストール処理
  13         /// </summary>
  14         public class NaGetUninstall2 : NaGetTaskSet2
  15         {
  16
  17                 private IList<Uninstallation> uninsts;
  18
  19                 public NaGetUninstall2(PackageListsManager pkgMan, IList<InstalledPackage> pkgs)
  20                 {
  21                         uninsts = new List<Uninstallation>(pkgs.Count);
  22                         foreach (InstalledPackage instPkg in pkgs) {
  23                                 uninsts.Add(new Uninstallation(instPkg));
  24                         }
  25
  26                         // taskセットの初期化
  27                         initSubTask();
  28                         foreach (Uninstallation uninst in uninsts) {
  29                                 registSubTask(string.Format("アンインストール: {0}", uninst.ToString()),
  30                                               new FunctionalSubTask<Uninstallation>(runUninstall, uninst));
  31                         }
  32                         registSubTask("インストール済みのソフトリスト更新",
  33                                       new LocalUpdateSubTask(pkgMan));
  34                 }
  35
  36                 public override void Run()
  37                 {
  38                         NotifyStarted();
  39                         RaiseTaskSetEvent(TaskEventType.STARTED, string.Empty);
  40
  41                         try {
  42                                 while (hasMoreSubTask) {
  43                                         RaiseTaskSetEvent(TaskEventType.STARTED_SUBTASK, currentSubTaskName);
  44                                         currentSubTask.Run();
  45                                         RaiseTaskSetEvent(TaskEventType.COMPLETED_SUBTASK, currentSubTaskName);
  46
  47                                         if (cancelCalled) {
  48                                                 throw new TaskCanceledException("cancel is called");
  49                                         }
  50
  51                                         NotifyGoToNextSubTask();
  52                                 }
  53                         } catch (TaskCanceledException) {
  54                                 cancelCalled = true;
  55                         } catch (Exception e) {
  56                                 RaiseTaskSetEvent(TaskEventType.ERROR, e.Message);
  57                         }
  58
  59                         if (cancelCalled) {
  60                                 NotifyCancelled();
  61                                 RaiseTaskSetEvent(TaskEventType.CANCELED, "キャンセルされました");
  62                         } else {
  63                                 NotifyCompleted();
  64                                 RaiseTaskSetEvent(TaskEventType.COMPLETED, string.Empty);
  65                         }
  66                 }
  67
  68                 private void runUninstall(Uninstallation uninst)
  69                 {
  70                         if (uninst.Installed) {
  71                                 try {
  72                                         uninst.OutputDataReceived += this.ReceivedOutputData;
  73                                         uninst.ErrorDataReceived += this.ReceivedErrorData;
  74                                         int exitCode = uninst.Uninstall();
  75                                         if (exitCode != 0) {
  76                                                 RaiseTaskSetEvent(TaskEventType.WARNING, "アンインストールが正常に終えていない可能性があります。プロセスの終了コード:"+exitCode);
  77                                         }
  78                                 } catch (Exception e) {
  79                                         RaiseTaskSetEvent(TaskEventType.ERROR, e.Message);
  80                                         throw e;
  81                                 }
  82                         } else {
  83                                 RaiseTaskSetEvent(TaskEventType.WARNING, string.Format("{0}は既にアンインストールされているか、ソフトの存在を確認できませんでした", uninst));
  84                         }
  85                 }
  86
  87                 public override bool Cancelable {
  88                         get {
  89                                 return !cancelCalled && Running && isDuringUninstalling;
  90                         }
  91                 }
  92
  93                 private bool isDuringUninstalling {
  94                         get {
  95                                 return currentSubTask is LocalUpdateSubTask;
  96                         }
  97                 }
  98         }
  99 }