// Sample Transcoder from Debugging with Fiddler pg 251

using System;

using System.IO;

using System.Text;

using System.Reflection;

using System.Collections.Generic;

using System.Windows.Forms;

using Fiddler;

[assembly: AssemblyVersion("1.0.0.0")]

[assembly: Fiddler.RequiredVersion("2.3.9.5")]

// Note that this Transcoder only works when loaded by Fiddler itself; it will

// not work from a FiddlerCore-based application. The reason is that the output

// uses the columns shown in Fiddler’s Web Sessions list, and FiddlerCore has

// no such list.

// Ensure your class is public, or Fiddler won't see it!

[ProfferFormat("TAB-Separated Values", "Session List in Tab-Delimited Format")]

[ProfferFormat("Comma-Separated Values",

"Session List in Comma-Delimited Format; import into Excel or other tools")]

public class CSVTranscoder: ISessionExporter

{

public bool ExportSessions(string sFormat, Session[] oSessions,

Dictionary<string, object> dictOptions,

EventHandler<ProgressCallbackEventArgs> evtProgressNotifications)

{

bool bResult = false;

string chSplit;

// Determine if we already have a filename

// from the dictOptions collection

string sFilename = null;

if (null != dictOptions && dictOptions.ContainsKey("Filename"))

{

sFilename = dictOptions["Filename"] as string;

}

// If we don't yet have a filename, prompt the user

// with a File Save dialog, using the correct file extension

// for the export format they selected

if (sFormat == "Comma-Separated Values")

{

chSplit = ",";

if (string.IsNullOrEmpty(sFilename))

sFilename = Fiddler.Utilities.ObtainSaveFilename(

"Export As " + sFormat, "CSV Files (*.csv)|*.csv");

}

else

{

// Ensure caller asked for Tab-delimiting.

if (sFormat != "TAB-Separated Values") return false;

chSplit = "\t";

if (string.IsNullOrEmpty(sFilename))

sFilename = Fiddler.Utilities.ObtainSaveFilename(

"Export As " + sFormat, "TSV Files (*.tsv)|*.tsv");

}

// If we didn't get a filename, user cancelled. If so, bail out.

if (String.IsNullOrEmpty(sFilename)) return false;

try

{

StreamWriter swOutput = new StreamWriter(sFilename, false, Encoding.UTF8);

int iCount = 0;

int iMax = oSessions.Length;

#region WriteColHeaders

bool bFirstCol = true;

foreach (ColumnHeader oLVCol in FiddlerApplication.UI.lvSessions.Columns)

{

if (!bFirstCol)

{

swOutput.Write(chSplit);

}

else

{

bFirstCol = false;

}

// Remove any delimiter characters from the value

swOutput.Write(oLVCol.Text.Replace(chSplit, ""));

}

swOutput.WriteLine();

#endregion WriteColHeaders

#region WriteEachSession

foreach (Session oS in oSessions)

{

iCount++;

// The ViewItem object is the ListViewItem in the Web Sessions list

// Obviously, this doesn't exist in FiddlerCore-based applications

if (null != oS.ViewItem)

{

bFirstCol = true;

ListViewItem oLVI = (oS.ViewItem as ListViewItem);

if (null == oLVI) continue;

foreach (ListViewItem.ListViewSubItem oLVC in oLVI.SubItems)

{

if (!bFirstCol)

{

swOutput.Write(chSplit);

}

else

{

bFirstCol = false;

}

// Remove any delimiter characters from the value

swOutput.Write(oLVC.Text.Replace(chSplit, ""));

}

swOutput.WriteLine();

}

// Notify the caller of our progress

if (null != evtProgressNotifications)

{

ProgressCallbackEventArgs PCEA =

new ProgressCallbackEventArgs((iCount/(float)iMax),

"wrote " + iCount.ToString() + " records.");

evtProgressNotifications(null, PCEA);

// If the caller tells us to cancel, abort quickly

if (PCEA.Cancel) { swOutput.Close(); return false; }

}

}

#endregion WriteEachSession

swOutput.Close();

bResult = true;

}

catch (Exception eX)

{

// TODO: Replace alert with FiddlerApplication.Log.LogFormat(...

MessageBox.Show(eX.Message, "Failed to export");

bResult = false;

}

return bResult;

}

public void Dispose() { /*no-op*/ }

}