ImportGraphMLFilesAsync
(
String sourceFolderPath,
String destinationFolderPath
)
{
Debug.Assert(!String.IsNullOrEmpty(sourceFolderPath));
Debug.Assert(Directory.Exists(sourceFolderPath));
Debug.Assert(!String.IsNullOrEmpty(destinationFolderPath));
Debug.Assert(Directory.Exists(destinationFolderPath));
AssertValid();
if (this.IsBusy)
{
throw new InvalidOperationException(
"GraphMLFilesImporter.ImportGraphMLFilesAsync: An asynchronous"
+ " operation is already in progress."
);
}
// Wrap the arguments in an object that can be passed to
// BackgroundWorker.RunWorkerAsync().
ImportGraphMLFilesAsyncArgs oImportGraphMLFilesAsyncArgs =
new ImportGraphMLFilesAsyncArgs();
oImportGraphMLFilesAsyncArgs.SourceFolderPath = sourceFolderPath;
oImportGraphMLFilesAsyncArgs.DestinationFolderPath =
destinationFolderPath;
// Create a BackgroundWorker and handle its events.
m_oBackgroundWorker = new BackgroundWorker();
m_oBackgroundWorker.WorkerReportsProgress = true;
m_oBackgroundWorker.WorkerSupportsCancellation = true;
m_oBackgroundWorker.DoWork += new DoWorkEventHandler(
BackgroundWorker_DoWork);
m_oBackgroundWorker.ProgressChanged +=
new ProgressChangedEventHandler(BackgroundWorker_ProgressChanged);
m_oBackgroundWorker.RunWorkerCompleted +=
new RunWorkerCompletedEventHandler(
BackgroundWorker_RunWorkerCompleted);
m_oBackgroundWorker.RunWorkerAsync(oImportGraphMLFilesAsyncArgs);
}
BackgroundWorker_DoWork
(
object sender,
DoWorkEventArgs e
)
{
Debug.Assert(sender is BackgroundWorker);
AssertValid();
Debug.Assert(e.Argument is ImportGraphMLFilesAsyncArgs);
ImportGraphMLFilesAsyncArgs oImportGraphMLFilesAsyncArgs =
(ImportGraphMLFilesAsyncArgs)e.Argument;
ImportGraphMLFilesInternal(oImportGraphMLFilesAsyncArgs,
m_oBackgroundWorker, e);
}
ImportGraphMLFilesInternal
(
ImportGraphMLFilesAsyncArgs oImportGraphMLFilesAsyncArgs,
BackgroundWorker oBackgroundWorker,
DoWorkEventArgs oDoWorkEventArgs
)
{
Debug.Assert(oImportGraphMLFilesAsyncArgs != null);
Debug.Assert(oBackgroundWorker != null);
Debug.Assert(oDoWorkEventArgs != null);
AssertValid();
Int32 iGraphMLFiles = 0;
foreach ( String sGraphMLFilePath in Directory.GetFiles(
oImportGraphMLFilesAsyncArgs.SourceFolderPath, "*.graphml") )
{
if (oBackgroundWorker.CancellationPending)
{
oDoWorkEventArgs.Cancel = true;
return;
}
String sGraphMLFileName = Path.GetFileName(sGraphMLFilePath);
oBackgroundWorker.ReportProgress(0,
String.Format(
"Importing \"{0}\"."
,
sGraphMLFileName
) );
XmlDocument oGraphMLDocument = new XmlDocument();
try
{
oGraphMLDocument.Load(sGraphMLFilePath);
}
catch (XmlException oXmlException)
{
OnXmlException(sGraphMLFileName, oXmlException);
continue;
}
String sNodeXLWorkbookPath = Path.Combine(
oImportGraphMLFilesAsyncArgs.DestinationFolderPath,
sGraphMLFileName
);
sNodeXLWorkbookPath = Path.ChangeExtension(sNodeXLWorkbookPath,
".xlsx");
try
{
GraphMLToNodeXLWorkbookConverter.SaveGraphToNodeXLWorkbook(
oGraphMLDocument, sGraphMLFilePath, sNodeXLWorkbookPath,
null, false);
}
catch (XmlException oXmlException)
{
OnXmlException(sGraphMLFileName, oXmlException);
continue;
}
iGraphMLFiles++;
}
oBackgroundWorker.ReportProgress(0,
String.Format(
"Done. GraphML files imported: {0}."
,
iGraphMLFiles
) );
}
ImportGraphMLFilesAsync
(
String sourceFolderPath,
String destinationFolderPath
)
{
Debug.Assert( !String.IsNullOrEmpty(sourceFolderPath) );
Debug.Assert( Directory.Exists(sourceFolderPath) );
Debug.Assert( !String.IsNullOrEmpty(destinationFolderPath) );
Debug.Assert( Directory.Exists(destinationFolderPath) );
AssertValid();
if (this.IsBusy)
{
throw new InvalidOperationException(
"GraphMLFilesImporter.ImportGraphMLFilesAsync: An asynchronous"
+ " operation is already in progress."
);
}
// Wrap the arguments in an object that can be passed to
// BackgroundWorker.RunWorkerAsync().
ImportGraphMLFilesAsyncArgs oImportGraphMLFilesAsyncArgs =
new ImportGraphMLFilesAsyncArgs();
oImportGraphMLFilesAsyncArgs.SourceFolderPath = sourceFolderPath;
oImportGraphMLFilesAsyncArgs.DestinationFolderPath =
destinationFolderPath;
// Create a BackgroundWorker and handle its events.
m_oBackgroundWorker = new BackgroundWorker();
m_oBackgroundWorker.WorkerReportsProgress = true;
m_oBackgroundWorker.WorkerSupportsCancellation = true;
m_oBackgroundWorker.DoWork += new DoWorkEventHandler(
BackgroundWorker_DoWork);
m_oBackgroundWorker.ProgressChanged +=
new ProgressChangedEventHandler(BackgroundWorker_ProgressChanged);
m_oBackgroundWorker.RunWorkerCompleted +=
new RunWorkerCompletedEventHandler(
BackgroundWorker_RunWorkerCompleted);
m_oBackgroundWorker.RunWorkerAsync(oImportGraphMLFilesAsyncArgs);
}
ImportGraphMLFilesInternal
(
ImportGraphMLFilesAsyncArgs oImportGraphMLFilesAsyncArgs,
BackgroundWorker oBackgroundWorker,
DoWorkEventArgs oDoWorkEventArgs
)
{
Debug.Assert(oImportGraphMLFilesAsyncArgs != null);
Debug.Assert(oBackgroundWorker != null);
Debug.Assert(oDoWorkEventArgs != null);
AssertValid();
Int32 iGraphMLFiles = 0;
foreach (String sGraphMLFilePath in Directory.GetFiles(
oImportGraphMLFilesAsyncArgs.SourceFolderPath, "*.graphml"))
{
if (oBackgroundWorker.CancellationPending)
{
oDoWorkEventArgs.Cancel = true;
return;
}
String sGraphMLFileName = Path.GetFileName(sGraphMLFilePath);
oBackgroundWorker.ReportProgress(0,
String.Format(
"Importing \"{0}\"."
,
sGraphMLFileName
));
XmlDocument oGraphMLDocument = new XmlDocument();
try
{
oGraphMLDocument.Load(sGraphMLFilePath);
}
catch (XmlException oXmlException)
{
OnXmlException(sGraphMLFileName, oXmlException);
continue;
}
String sNodeXLWorkbookPath = Path.Combine(
oImportGraphMLFilesAsyncArgs.DestinationFolderPath,
sGraphMLFileName
);
sNodeXLWorkbookPath = Path.ChangeExtension(sNodeXLWorkbookPath,
".xlsx");
try
{
GraphMLToNodeXLWorkbookConverter.SaveGraphToNodeXLWorkbook(
oGraphMLDocument, sGraphMLFilePath, sNodeXLWorkbookPath,
null, false);
}
catch (XmlException oXmlException)
{
OnXmlException(sGraphMLFileName, oXmlException);
continue;
}
iGraphMLFiles++;
}
oBackgroundWorker.ReportProgress(0,
String.Format(
"Done. GraphML files imported: {0}."
,
iGraphMLFiles
));
}
