public PlaylistExportDialog(string name, Window parent) :
base(Catalog.GetString("Export Playlist"), parent, FileChooserAction.Save)
{
initial_name = FileNamePattern.Escape (name);
playlist = PlaylistFileUtil.GetDefaultExportFormat();
CurrentName = System.IO.Path.ChangeExtension(initial_name, playlist.FileExtension);
DefaultResponse = ResponseType.Ok;
DoOverwriteConfirmation = true;
AddButton(Stock.Cancel, ResponseType.Cancel);
AddButton(Catalog.GetString("Export"), ResponseType.Ok);
InitializeExtraWidget();
}
protected void OnComboBoxChange(object o, EventArgs args)
{
playlist = GetExportFormat();
if (playlist != null) {
// Store the export format so that we can default to it the
// next time the user exports.
PlaylistFileUtil.SetDefaultExportFormat(playlist);
// If the filename has an extension, update it to the extension
// of the export format.
string file_name = null;
if (Filename != null) {
file_name = System.IO.Path.GetFileName(Filename);
}
if (file_name != null) {
CurrentName = System.IO.Path.ChangeExtension(file_name, playlist.FileExtension);
} else {
CurrentName = System.IO.Path.ChangeExtension(initial_name, playlist.FileExtension);
}
}
}
public bool Parse(SafeUri uri)
{
ThreadAssist.AssertNotInMainThread();
lock (this) {
elements = null;
HttpWebResponse response = null;
Stream stream = null;
Stream web_stream = null;
bool partial_read = false;
long saved_position = 0;
if (uri.Scheme == "file")
{
stream = Banshee.IO.File.OpenRead(uri);
}
else if (uri.Scheme == "http")
{
response = Download(uri, HTTP_REQUEST_RETRIES);
web_stream = response.GetResponseStream();
try {
stream = new MemoryStream();
byte [] buffer = new byte[4096];
int read;
// If we haven't read the whole stream and if
// it turns out to be a playlist, we'll read the rest
read = web_stream.Read(buffer, 0, buffer.Length);
stream.Write(buffer, 0, read);
if ((read = web_stream.Read(buffer, 0, buffer.Length)) > 0)
{
partial_read = true;
stream.Write(buffer, 0, read);
saved_position = stream.Position;
}
stream.Position = 0;
} finally {
if (!partial_read)
{
web_stream.Close();
response.Close();
}
}
}
else
{
Hyena.Log.DebugFormat("Not able to parse playlist at {0}", uri);
return(false);
}
PlaylistFormatDescription matching_format = null;
foreach (PlaylistFormatDescription format in playlist_formats)
{
stream.Position = 0;
if (format.MagicHandler(new StreamReader(stream)))
{
matching_format = format;
break;
}
}
if (matching_format == null)
{
if (partial_read)
{
web_stream.Close();
response.Close();
}
return(false);
}
if (partial_read)
{
try {
stream.Position = saved_position;
Banshee.IO.StreamAssist.Save(web_stream, stream, false);
} finally {
web_stream.Close();
response.Close();
}
}
stream.Position = 0;
IPlaylistFormat playlist = (IPlaylistFormat)Activator.CreateInstance(matching_format.Type);
playlist.BaseUri = BaseUri;
playlist.Load(stream, false);
stream.Dispose();
elements = playlist.Elements;
Title = playlist.Title ?? Path.GetFileNameWithoutExtension(uri.LocalPath);
return(true);
}
}
public static int GetFormatIndex (PlaylistFormatDescription [] formats, PlaylistFormatDescription playlist)
{
int default_export_index = -1;
foreach (PlaylistFormatDescription format in formats) {
default_export_index++;
if (format.FileExtension.Equals (playlist.FileExtension)) {
break;
}
}
return default_export_index;
}
public static void SetDefaultExportFormat (PlaylistFormatDescription format)
{
try {
DefaultExportFormat.Set (format.FileExtension);
} catch (Exception) {
}
}
public bool Parse(SafeUri uri)
{
ThreadAssist.AssertNotInMainThread();
lock (this) {
elements = null;
HttpWebResponse response = null;
Stream stream = null;
Stream web_stream = null;
bool partial_read = false;
long saved_position = 0;
if (uri.Scheme == "file")
{
stream = Banshee.IO.File.OpenRead(uri);
}
else if (uri.Scheme == "http")
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uri.AbsoluteUri);
request.UserAgent = Banshee.Web.Browser.UserAgent;
request.KeepAlive = false;
request.Timeout = 5 * 1000;
request.AllowAutoRedirect = true;
// Parse out and set credentials, if any
string user_info = new Uri(uri.AbsoluteUri).UserInfo;
if (!String.IsNullOrEmpty(user_info))
{
string username = String.Empty;
string password = String.Empty;
int cIndex = user_info.IndexOf(":");
if (cIndex != -1)
{
username = user_info.Substring(0, cIndex);
password = user_info.Substring(cIndex + 1);
}
else
{
username = user_info;
}
request.Credentials = new NetworkCredential(username, password);
}
response = (HttpWebResponse)request.GetResponse();
web_stream = response.GetResponseStream();
try {
stream = new MemoryStream();
byte [] buffer = new byte[4096];
int read;
// If we haven't read the whole stream and if
// it turns out to be a playlist, we'll read the rest
read = web_stream.Read(buffer, 0, buffer.Length);
stream.Write(buffer, 0, read);
if ((read = web_stream.Read(buffer, 0, buffer.Length)) > 0)
{
partial_read = true;
stream.Write(buffer, 0, read);
saved_position = stream.Position;
}
stream.Position = 0;
} finally {
if (!partial_read)
{
web_stream.Close();
response.Close();
}
}
}
else
{
Hyena.Log.DebugFormat("Not able to parse playlist at {0}", uri);
return(false);
}
PlaylistFormatDescription matching_format = null;
foreach (PlaylistFormatDescription format in playlist_formats)
{
stream.Position = 0;
StreamReader reader = new StreamReader(stream);
if (format.MagicHandler(reader))
{
matching_format = format;
break;
}
}
if (matching_format == null)
{
return(false);
}
if (partial_read)
{
try {
stream.Position = saved_position;
Banshee.IO.StreamAssist.Save(web_stream, stream, false);
} finally {
web_stream.Close();
response.Close();
}
}
stream.Position = 0;
IPlaylistFormat playlist = (IPlaylistFormat)Activator.CreateInstance(matching_format.Type);
playlist.BaseUri = BaseUri;
playlist.Load(stream, false);
stream.Dispose();
elements = playlist.Elements;
Title = playlist.Title ?? Path.GetFileNameWithoutExtension(uri.LocalPath);
return(true);
}
}
