/// <summary>
/// Determines if a given file URL exists.
/// </summary>
/// <param name="FileURL">The file URL to be located.</param>
/// <param name="actualFileUrl">An output parameter containing the URL received from
/// the server for the file.</param>
/// <returns>True if the existence of the file has successfully been verified with the
/// server.</returns>
/// <remarks>Once the server has been contacted, the existence of the file and the URL
/// from the server is cached.</remarks>
public static bool IsValidURL(string FileURL, out string actualFileUrl)
{
actualFileUrl = FileURL;
lock (remoteFilesDt)
{
if (remoteFilesDt.TryGetValue(FileURL, out actualFileUrl))
{
return(true);
}
if (TryGetUrlMapping(FileURL, out actualFileUrl))
{
return(true);
}
if (remoteFilesDt.Count > 5000)
{
remoteFilesDt.Clear();
}
DateTime lastModified;
RemoteFiles rf = new RemoteFiles();
if (rf.CheckURLFileExists(FileURL, ref actualFileUrl, out lastModified))
{
RemoteFiles.remoteFilesDt[FileURL] = actualFileUrl;
return(true);
}
}
return(false);
}
public static void UpdateFileMappingInformation(Dictionary <string, string> newMappings)
{
LoadFileMappingInformation();
foreach (KeyValuePair <string, string> kvp in newMappings)
{
FileMappingInformation[kvp.Key] = kvp.Value;
}
string fileName = RivetApplicationDataDragonTagPath + Path.DirectorySeparatorChar + MAPPING_FILE_NAME;
List <string> serializableObject = new List <string>();
foreach (KeyValuePair <string, string> kvp in FileMappingInformation)
{
serializableObject.Add(Path.GetFileName(kvp.Key).ToLower());
serializableObject.Add(kvp.Value);
}
RemoteFiles.XmlSerializeObjectToFile(fileName, serializableObject.ToArray());
}
private static void LoadFileMappingInformation()
{
if (FileMappingInformation != null)
{
return;
}
string fileName = RivetApplicationDataDragonTagPath + Path.DirectorySeparatorChar + MAPPING_FILE_NAME;
FileMappingInformation = new Dictionary <string, string>();
if (File.Exists(fileName))
{
string[] vals = RemoteFiles.XmlDeserializeObjectFromFile(fileName, typeof(string[])) as string[];
if (vals != null)
{
for (int i = 1; i < vals.Length; i = i + 2)
{
FileMappingInformation[vals[i - 1]] = vals[i];
}
}
}
}
