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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
/*============================================================
**
**
**
**
**
**
** Purpose: Exception for failure to load a file that was successfully found.
**
**
===========================================================*/
using System;
using System.Globalization;
using System.Runtime.Serialization;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Security;
using System.Security.Permissions;
using System.Runtime.Versioning;
using SecurityException = System.Security.SecurityException;
namespace System.IO {
[Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public class FileLoadException : IOException {
private String _fileName; // the name of the file we could not load.
private String _fusionLog; // fusion log (when applicable)
public FileLoadException()
: base(Environment.GetResourceString("IO.FileLoad")) {
SetErrorCode(__HResults.COR_E_FILELOAD);
}
public FileLoadException(String message)
: base(message) {
SetErrorCode(__HResults.COR_E_FILELOAD);
}
public FileLoadException(String message, Exception inner)
: base(message, inner) {
SetErrorCode(__HResults.COR_E_FILELOAD);
}
public FileLoadException(String message, String fileName) : base(message)
{
SetErrorCode(__HResults.COR_E_FILELOAD);
_fileName = fileName;
}
public FileLoadException(String message, String fileName, Exception inner)
: base(message, inner) {
SetErrorCode(__HResults.COR_E_FILELOAD);
_fileName = fileName;
}
public override String Message
{
get {
SetMessageField();
return _message;
}
}
private void SetMessageField()
{
if (_message == null)
_message = FormatFileLoadExceptionMessage(_fileName, HResult);
}
public String FileName {
get { return _fileName; }
}
public override String ToString()
{
String s = GetType().FullName + ": " + Message;
if (_fileName != null && _fileName.Length != 0)
s += Environment.NewLine + Environment.GetResourceString("IO.FileName_Name", _fileName);
if (InnerException != null)
s = s + " ---> " + InnerException.ToString();
if (StackTrace != null)
s += Environment.NewLine + StackTrace;
#if FEATURE_FUSION
try
{
if(FusionLog!=null)
{
if (s==null)
s=" ";
s+=Environment.NewLine;
s+=Environment.NewLine;
s+=FusionLog;
}
}
catch(SecurityException)
{
}
#endif // FEATURE_FUSION
return s;
}
protected FileLoadException(SerializationInfo info, StreamingContext context) : base (info, context) {
// Base class constructor will check info != null.
_fileName = info.GetString("FileLoad_FileName");
#if FEATURE_FUSION
try
{
_fusionLog = info.GetString("FileLoad_FusionLog");
}
catch
{
_fusionLog = null;
}
#endif
}
private FileLoadException(String fileName, String fusionLog,int hResult)
: base(null)
{
SetErrorCode(hResult);
_fileName = fileName;
_fusionLog=fusionLog;
SetMessageField();
}
#if FEATURE_FUSION
public String FusionLog {
[System.Security.SecuritySafeCritical] // auto-generated
[SecurityPermissionAttribute( SecurityAction.Demand, Flags = SecurityPermissionFlag.ControlEvidence | SecurityPermissionFlag.ControlPolicy)]
get { return _fusionLog; }
}
#endif // FEATURE_FUSION
[System.Security.SecurityCritical] // auto-generated_required
public override void GetObjectData(SerializationInfo info, StreamingContext context) {
// Serialize data for our base classes. base will verify info != null.
base.GetObjectData(info, context);
// Serialize data for this class
info.AddValue("FileLoad_FileName", _fileName, typeof(String));
#if FEATURE_FUSION
try
{
info.AddValue("FileLoad_FusionLog", FusionLog, typeof(String));
}
catch (SecurityException)
{
}
#endif
}
[System.Security.SecuritySafeCritical] // auto-generated
internal static String FormatFileLoadExceptionMessage(String fileName,
int hResult)
{
string format = null;
GetFileLoadExceptionMessage(hResult, JitHelpers.GetStringHandleOnStack(ref format));
string message = null;
GetMessageForHR(hResult, JitHelpers.GetStringHandleOnStack(ref message));
return String.Format(CultureInfo.CurrentCulture, format, fileName, message);
}
[System.Security.SecurityCritical] // auto-generated
[DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
private static extern void GetFileLoadExceptionMessage(int hResult, StringHandleOnStack retString);
[System.Security.SecurityCritical] // auto-generated
[DllImport(JitHelpers.QCall, CharSet = CharSet.Unicode)]
[SuppressUnmanagedCodeSecurity]
private static extern void GetMessageForHR(int hresult, StringHandleOnStack retString);
}
}
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