root / trunk / Pithos.Client.WPF / App.xaml.cs @ f734ab5b
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using System; |
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using System.Collections.Generic; |
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using System.Configuration; |
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using System.Data; |
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using System.Diagnostics; |
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using System.Linq; |
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using System.Net.Mail; |
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using System.Reflection; |
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using System.Text; |
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using System.Threading.Tasks; |
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using System.Windows; |
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using Caliburn.Micro; |
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using Microsoft.Win32; |
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using Caliburn.Micro.Logging; |
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namespace Pithos.Client.WPF |
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{ |
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/// <summary> |
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/// Interaction logic for App.xaml |
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/// </summary> |
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public partial class App : Application |
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{ |
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private readonly log4net.ILog _log = log4net.LogManager.GetLogger(typeof (App)); |
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|
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public App() |
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{ |
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log4net.Config.XmlConfigurator.Configure(); |
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|
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this.DispatcherUnhandledException += OnUnhandledException; |
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AppDomain.CurrentDomain.UnhandledException += OnUnhandledException; |
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TaskScheduler.UnobservedTaskException += OnUnobservedException; |
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|
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InitializeComponent(); |
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} |
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|
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private void OnUnobservedException(object sender, UnobservedTaskExceptionEventArgs e) |
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{ |
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var messages=new List<UserMessage>(); |
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e.Exception.Handle(exc=>{ |
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messages.Add(new UserMessage |
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{ |
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Message = "Unexpected Exception", |
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Details = exc.ToString(), |
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Severity = Severity.Error |
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}); |
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return true; |
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}); |
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ShowMessages("Oops!","Where did that come from? \r\nErm, an exception occured.\r\nWe apologize for the inconvenience", messages); |
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e.SetObserved(); |
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} |
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|
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private void OnUnhandledException(object sender, UnhandledExceptionEventArgs e) |
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{ |
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var message = e.IsTerminating |
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? "Unexpected Exception. The application must terminate" |
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: "Unexpected Exception"; |
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|
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var messages = new[]{ |
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new UserMessage |
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{ |
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Message = (e.ExceptionObject as Exception).Message, |
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Details = e.ExceptionObject.ToString(), |
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Severity = Severity.Error |
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} |
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}; |
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ShowMessages("Oops!", message,messages); |
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} |
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|
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void OnUnhandledException(object sender, System.Windows.Threading.DispatcherUnhandledExceptionEventArgs e) |
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{ |
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var messages = new[]{ |
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new UserMessage |
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{ |
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Message = e.Exception.Message, |
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Details = e.Exception.ToString(), |
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Severity = Severity.Error |
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} |
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}; |
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ShowMessages("Oops!", "Unexcpected Exception", messages); |
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e.Handled=true; |
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} |
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|
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void ShowMessages(string title,string message,IEnumerable<UserMessage> messages ) |
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{ |
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LogMessages(messages); |
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Execute.OnUIThread(()=>{ |
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var messageView = new MessageView(messages); |
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messageView.Title = title; |
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messageView.Message = message; |
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messageView.ShowDialog(); |
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}); |
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} |
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|
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private void LogMessages(IEnumerable<UserMessage> messages) |
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{ |
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var logMessage = CreateMessage(messages); |
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_log.Error(logMessage); |
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} |
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private static string CreateMessage(IEnumerable<UserMessage> messages) |
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{ |
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var messageBuilder = messages.Aggregate(new StringBuilder("Unexpected Error\r\n"), |
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(builder, message) => |
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{ |
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builder.AppendFormat("\r\n[{0}] {1}\r\n{2}\r\n", message.Severity, |
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message.Message, message.Details); |
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return builder; |
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}); |
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var logMessage = messageBuilder.ToString(); |
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return logMessage; |
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} |
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} |
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|
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} |