bin/projects/dbatools/dbatools/Message/DbatoolsException.cs
|
using System;
using System.Collections; using System.Collections.Generic; using System.Management.Automation; namespace Sqlcollaborative.Dbatools.Message { /// <summary> /// Wrapper class that can emulate any exception for purpose of serialization without blowing up the storage space consumed /// </summary> [Serializable] public class DbatoolsException { private Exception _Exception; /// <summary> /// Returns the original exception object that we interpreted. This is on purpose not a property, as we want to avoid messing with serialization size. /// </summary> /// <returns>The original exception that got thrown</returns> public Exception GetException() { return _Exception; } #region Properties & Fields #region Wrapper around 'official' properties /// <summary> /// The actual Exception Message /// </summary> public string Message; /// <summary> /// The original source of the Exception /// </summary> public string Source; /// <summary> /// Where on the callstack did the exception occur? /// </summary> public string StackTrace; /// <summary> /// What was the target site on the code that caused it. This property has been altered to avoid export issues, if a string representation is not sufficient, access the original exception using GetException() /// </summary> public string TargetSite; /// <summary> /// The HResult of the exception. Useful in debugging native code errors. /// </summary> public int HResult; /// <summary> /// Link to a proper help article. /// </summary> public string HelpLink; /// <summary> /// Additional data that has been appended /// </summary> public IDictionary Data; /// <summary> /// The inner exception in a chain of exceptions. /// </summary> public DbatoolsException InnerException; #endregion Wrapper around 'official' properties #region Custom properties for exception abstraction /// <summary> /// The full namespace name of the exception that has been wrapped. /// </summary> public string ExceptionTypeName; /// <summary> /// Contains additional properties other exceptions might contain. /// </summary> public Hashtable ExceptionData = new Hashtable(); #endregion Custom properties for exception abstraction #region ErrorRecord Data /// <summary> /// The category of the error /// </summary> public ErrorCategoryInfo CategoryInfo; /// <summary> /// The details on the error /// </summary> public ErrorDetails ErrorDetails; /// <summary> /// The specific error identity, used to identify the target /// </summary> public string FullyQualifiedErrorId; /// <summary> /// The details of how this was called. /// </summary> public object InvocationInfo; /// <summary> /// The script's stacktrace /// </summary> public string ScriptStackTrace; /// <summary> /// The object being processed /// </summary> public object TargetObject; /// <summary> /// The name of the function throwing the error /// </summary> public string FunctionName; /// <summary> /// When was the error thrown /// </summary> public DateTime Timestamp; /// <summary> /// The runspace the error occured on. /// </summary> public Guid Runspace; /// <summary> /// The computer the error occured on. /// </summary> public string ComputerName; #endregion ErrRecord Data #endregion Properties & Fields #region Constructors /// <summary> /// Creates an empty exception object. Mostly for serialization support /// </summary> public DbatoolsException() { } /// <summary> /// Creates an exception based on an original exception object /// </summary> /// <param name="Except">The exception to wrap around</param> public DbatoolsException(Exception Except) { _Exception = Except; Message = Except.Message; Source = Except.Source; StackTrace = Except.StackTrace; try { TargetSite = Except.TargetSite.ToString(); } catch { } HResult = Except.HResult; HelpLink = Except.HelpLink; Data = Except.Data; if (Except.InnerException != null) { InnerException = new DbatoolsException(Except.InnerException); } ExceptionTypeName = Except.GetType().FullName; PSObject tempObject = new PSObject(Except); List<string> defaultPropertyNames = new List<string>(); defaultPropertyNames.Add("Data"); defaultPropertyNames.Add("HelpLink"); defaultPropertyNames.Add("HResult"); defaultPropertyNames.Add("InnerException"); defaultPropertyNames.Add("Message"); defaultPropertyNames.Add("Source"); defaultPropertyNames.Add("StackTrace"); defaultPropertyNames.Add("TargetSite"); foreach (PSPropertyInfo member in tempObject.Properties) { if (!defaultPropertyNames.Contains(member.Name)) ExceptionData[member.Name] = member.Value; } } /// <summary> /// Creates a rich information exception object based on a full error record as recorded by PowerShell /// </summary> /// <param name="Record">The error record to copy from</param> public DbatoolsException(ErrorRecord Record) : this(Record.Exception) { CategoryInfo = Record.CategoryInfo; ErrorDetails = Record.ErrorDetails; FullyQualifiedErrorId = Record.FullyQualifiedErrorId; InvocationInfo = Record.InvocationInfo; ScriptStackTrace = Record.ScriptStackTrace; TargetObject = Record.TargetObject; } /// <summary> /// Creates a new exception object with rich meta information from the PowerShell runtime. /// </summary> /// <param name="Except">The exception thrown</param> /// <param name="FunctionName">The name of the function in which the error occured</param> /// <param name="Timestamp">When did the error occur</param> /// <param name="Message">The message to add to the exception</param> /// <param name="Runspace">The ID of the runspace from which the exception was thrown. Useful in multi-runspace scenarios.</param> /// <param name="ComputerName">The computer the error occured on.</param> public DbatoolsException(Exception Except, string FunctionName, DateTime Timestamp, string Message, Guid Runspace, string ComputerName) : this(Except) { this.Runspace = Runspace; this.ComputerName = ComputerName; this.FunctionName = FunctionName; this.Timestamp = Timestamp; this.Message = Message; } /// <summary> /// Creates a new exception object with rich meta information from the PowerShell runtime. /// </summary> /// <param name="Record">The error record written</param> /// <param name="FunctionName">The name of the function in which the error occured</param> /// <param name="Timestamp">When did the error occur</param> /// <param name="Message">The message to add to the exception</param> /// <param name="Runspace">The ID of the runspace from which the exception was thrown. Useful in multi-runspace scenarios.</param> /// <param name="ComputerName">The computer the error occured on.</param> public DbatoolsException(ErrorRecord Record, string FunctionName, DateTime Timestamp, string Message, Guid Runspace, string ComputerName) : this(Record) { this.Runspace = Runspace; this.ComputerName = ComputerName; this.FunctionName = FunctionName; this.Timestamp = Timestamp; this.Message = Message; } #endregion Constructors /// <summary> /// Returns a string representation of the exception. /// </summary> /// <returns></returns> public override string ToString() { return Message; } } } |