annotate API/FileLoadFailure.cs @ 484:aa0d18816cf8

Re #419: Remove assumptions of a file-based install * Remove unused FileInfo object property
author IBBoard <dev@ibboard.co.uk>
date Wed, 11 Jul 2012 20:51:53 +0100
parents 1ed2f3ab5e35
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1 // This file (FileLoadFailure.cs) is a part of the IBBoard.WarFoundry.API project and is copyright 2009 IBBoard.
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2 //
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3 // The file and the library/program it is in are licensed and distributed, without warranty, under the GNU Affero GPL license, either version 3 of the License or (at your option) any later version. Please see COPYING for more information and the full license.
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4
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5 using System;
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6 using System.IO;
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7 using IBBoard.Lang;
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8 using IBBoard.WarFoundry.API.Factories;
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9 using IBBoard.WarFoundry.API.Loading;
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10
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11 namespace IBBoard.WarFoundry.API
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12 {
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13 /// <summary>
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14 /// A container class that holds information about file load failures. Core information covers the file that failed and a message. Additional information includes the factory loading the file and the excetion that was thrown. Messages are passed through <code>String.Format</code> and supplied with the failed file path and the failing factory
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15 /// </summary>
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16 public class FileLoadFailure
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17 {
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18 private ILoadableObject failedFile;
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19 private IWarFoundryFactory loadingFactory;
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20 private string defaultMessage;
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21 private string messageTranslationID;
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22 private string message;
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23 private Exception cause;
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24
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25 /// <summary>
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26 /// Constructor for a failed file load where no factory was found. Translatable messages can be providied through a <code>translationID</code> or skipped by passing <code>null</code>.
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27 /// </summary>
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28 /// <param name="file">
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29 /// The <see cref="ILoadableObject"/> that failed to load
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30 /// </param>
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31 /// <param name="message">
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32 /// A message about the failure in English - used as a default fall-back message.
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33 /// </param>
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34 /// <param name="translationID">
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35 /// The ID of a translation for the message.
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36 /// </param>
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37 public FileLoadFailure(ILoadableObject file, string message, string translationID) : this (file, null, message, "")
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38 {
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39 }
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40
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41 /// <summary>
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42 /// Constructor for a failed file load where a factory was identified as supporting the file but failed to load it. Translatable messages can be providied through a <code>translationID</code> or skipped by passing <code>null</code>.
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43 /// </summary>
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44 /// <param name="file">
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45 /// The <see cref="ILoadableObject"/> that failed to load
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46 /// </param>
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47 /// <param name="factory">
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48 /// The <see cref="IWarFoundryFactory"/> that failed to load the file
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49 /// </param>
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50 /// <param name="message">
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51 /// A message about the failure in English - used as a default fall-back message.
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52 /// </param>
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53 /// <param name="translationID">
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54 /// The ID of a translation for the message.
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55 /// </param>
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56 public FileLoadFailure(ILoadableObject file, IWarFoundryFactory factory, string message, string translationID) : this(file, factory, message, translationID, null)
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57 {
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58 }
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59
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60 /// <summary>
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61 /// Constructor for a failed file load where a factory was identified as supporting the file but an exception occurred while loading it. Translatable messages can be providied through a <code>translationID</code> or skipped by passing <code>null</code>.
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62 /// </summary>
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63 /// <param name="file">
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64 /// The <see cref="ILoadableObject"/> that failed to load
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65 /// </param>
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66 /// <param name="factory">
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67 /// The <see cref="IWarFoundryFactory"/> that failed to load the file
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68 /// </param>
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69 /// <param name="message">
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70 /// A message about the failure in English - used as a default fall-back message.
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71 /// </param>
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72 /// <param name="translationID">
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73 /// The ID of a translation for the message.
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74 /// </param>
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75 /// <param name="exception">
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76 /// The <see cref="Exception"/> that occurred to cause the load to fail
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77 /// </param>
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78 public FileLoadFailure(ILoadableObject file, IWarFoundryFactory factory, string message, string translationID, Exception exception)
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79 {
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80 failedFile = file;
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81 loadingFactory = factory;
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82 defaultMessage = message;
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83 messageTranslationID = translationID;
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84 cause = exception;
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85 }
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86
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87 public ILoadableObject FailedFile
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88 {
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89 get
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90 {
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91 return failedFile;
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92 }
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93 }
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94
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95 public string Message
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96 {
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97 get
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98 {
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99 if (message == null)
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100 {
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101 string fileName = FailedFile.Name;
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102 string factoryType = (loadingFactory == null ? "" : loadingFactory.GetType().Name);
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103 if (String.IsNullOrEmpty(messageTranslationID))
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104 {
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105 message = String.Format(defaultMessage, fileName, factoryType);
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106 }
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107 else
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108 {
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109 message = Translation.GetTranslation(messageTranslationID, defaultMessage, fileName, factoryType);
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110 }
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111 }
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112
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113 return message;
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114 }
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115 }
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116
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117 public Exception Exception
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118 {
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119 get { return cause; }
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120 }
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121 }
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122 }