| public DirectoryExists ( string path ) : bool | ||
| path | string | |
| return | bool | |
private static void VerifyFolderExistsAsync(IsolatedStorageFile isolatedStorageFile)
{
if (!isolatedStorageFile.DirectoryExists(MonthFolder))
{
isolatedStorageFile.CreateDirectory(MonthFolder);
}
}
public AssemblyStorageService()
{
Store = IsolatedStorageFile.GetUserStoreForApplication();
Store.IncreaseQuotaTo(20971520);
if (!Store.DirectoryExists("Modules"))
Store.CreateDirectory("Modules");
}
public IsolatedStorageResponseCache(TimeSpan expiresIn)
{
this.expiresIn = expiresIn;
storage = IsolatedStorageFile.GetUserStoreForApplication();
if (!storage.DirectoryExists("Cache"))
{
storage.CreateDirectory("Cache");
}
}
public static void CreateDirectoryTree(Uri feedUri, IsolatedStorageFile storage)
{
if (!feedUri.OriginalString.Contains('\\')) return;
var directory = GetDirectoryPath(feedUri);
if (!storage.DirectoryExists(directory))
storage.CreateDirectory(directory);
}
public IsolatedStorageResponseCache(string session)
{
if (session == null) throw new ArgumentNullException("session");
this._sessionKey = HashUtil.ToSHA1(session);
//create cache dir
_storage = IsolatedStorageFile.GetUserStoreForApplication();
if (!_storage.DirectoryExists("ECollegeCache"))
{
_storage.CreateDirectory("ECollegeCache");
}
//create session dir
string thisSessionDirectory = string.Format("ECollegeCache\\{0}", _sessionKey);
if (!_storage.DirectoryExists(thisSessionDirectory))
{
_storage.CreateDirectory(thisSessionDirectory);
}
}
public static void CreateDirectory(string path)
{
System.IO.IsolatedStorage.IsolatedStorageFile isf = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication();
if (isf.DirectoryExists(path))
{
isf.CreateDirectory(path);
}
}
/// <summary>
/// Creates all of the directories included in the given filepath.
/// </summary>
/// <param name="filepath">A string containing a filepath which may or may not contain any number of directories.</param>
/// <param name="storage">A reference to a valid IsolatedStorageFile instance</param>
public static void CreateDirectoryTree(string filepath, IsolatedStorageFile storage)
{
//If this filepath is flat and doesn't contain any folders - bail.
if (!HasDirectories(filepath)) return;
//Extract the full directory path from the filename
var directory = GetFullDirectoryPath(filepath);
//If the directory doesn't already exist, create it.
if (!storage.DirectoryExists(directory))
storage.CreateDirectory(directory);
}
private void DeleteAllFilesInDirectory(IsolatedStorageFile store, string path)
{
if (!store.DirectoryExists(path))
{
return;
}
var files = store.GetFileNames(path + "/*");
foreach (var file in files)
{
store.DeleteFile(path + "/" + file);
}
}
private void CreateDirIfNecessary(IsolatedStorageFile local, string path)
{
int pos = 0;
string dir = path;
while ((pos = dir.IndexOf('\\', pos)) != -1)
{
var dirname = dir.Substring(0, pos);
if (!local.DirectoryExists(dirname))
local.CreateDirectory(dirname);
pos++;
}
}
public MainPage()
{
InitializeComponent();
_recorder = new Recorder(new WaveFormat());
_storage = IsolatedStorageFile.GetUserStoreForApplication();
if (!_storage.DirectoryExists(STORAGE_DIRECTORY))
{
_storage.CreateDirectory(STORAGE_DIRECTORY);
}
UpdateRecordings();
}
private static bool CheckDir(IsolatedStorageFile storage)
{
if (!storage.DirectoryExists(Folder))
{
try
{
storage.CreateDirectory(Folder);
}
catch (Exception)
{
return false;
}
}
return true;
}
/// <summary>
/// delete files in directory
/// </summary>
/// <param name="storageFolder"></param>
/// <param name="directory"></param>
private static void TryToDeleteAllFiles(IsolatedStorageFile storageFolder, string directory)
{
if (storageFolder.DirectoryExists(directory))
{
try
{
string[] files = storageFolder.GetFileNames(directory);
foreach (string file in files)
{
storageFolder.DeleteFile(directory + file);
}
}
catch (Exception)
{
// could be in use
}
}
}
public static void TryToDeleteAllFiles(IsolatedStorageFile storageFolder, string directory)
{
if (storageFolder.DirectoryExists(directory))
{
try
{
string[] files = storageFolder.GetFileNames(directory);
foreach (string File in files)
{
storageFolder.DeleteFile(directory + files);
}
}
catch (Exception)
{
//ignoring the exception
}
}
}
private static Stream OpenLogFile(IsolatedStorageFile store)
{
if (Profile == null)
{
return Stream.Null;
}
try
{
var fileName = string.Format(LOGFILE_TEMPLATE, DateTime.UtcNow.ToString("yyyy-MM-dd"));
var folderPath = Path.Combine(Profile.CurrentProfilePath(), LOGFOLDER);
if (!store.DirectoryExists(folderPath))
{
store.CreateDirectory(folderPath);
}
var filePath = Path.Combine(folderPath, fileName);
if (store.FileExists(filePath))
{
return store.OpenFile(filePath, FileMode.Append);
}
else
{
CleanupLogs(store, folderPath);
return store.OpenFile(filePath, FileMode.Create);
}
}
catch (Exception ex)
{
// Logging Failed, don't kill the process because of it
Debugger.Break();
return Stream.Null;
}
}
/// <summary>
/// 保存信息至本地文件,SilverLight缓存中
/// </summary>
/// <param name="rFileName">存储文件名</param>
/// <param name="rText">消息文本</param>
public static void WriteSlTextFile(string rFileName, string rText)
{
System.IO.IsolatedStorage.IsolatedStorageFile isf = null;
System.IO.Stream stream = null;
System.IO.TextWriter writer = null;
try
{
isf = System.IO.IsolatedStorage.IsolatedStorageFile.GetUserStoreForApplication();
if (rFileName.IndexOf(':') >= 0)
{
rFileName = rFileName.Substring(rFileName.LastIndexOf(':') + 1);
}
string rPath = System.IO.Path.GetDirectoryName(rFileName);
if (isf.DirectoryExists(rPath) == false)
{
isf.CreateDirectory(rPath);
}
stream = new System.IO.IsolatedStorage.IsolatedStorageFileStream(rFileName, System.IO.FileMode.Create, System.IO.FileAccess.Write, isf);
//stream.Seek(0, System.IO.SeekOrigin.End);
writer = new System.IO.StreamWriter(stream);
writer.Write(rText);
writer.Flush();
}
finally
{
try
{
writer.Close();
stream.Close();
isf.Dispose();
}
catch
{
}
}
}
public void CopyDirectory(string sourcePath, string destinationPath, IsolatedStorageFile iso)
{
if (!iso.DirectoryExists(sourcePath))
return;
var folders = iso.GetDirectoryNames(sourcePath + "/" + "*.*");
foreach (var folder in folders)
{
string sourceFolderPath = sourcePath + "/" + folder;
string destinationFolderPath = destinationPath + "/" + folder;
iso.CreateDirectory(destinationFolderPath);
CopyDirectory(sourceFolderPath, destinationFolderPath, iso);
}
foreach (var file in iso.GetFileNames(sourcePath + "/" + "*.*"))
{
string sourceFilePath = sourcePath + "/" + file;
string destinationFilePath = destinationPath + "/" + file;
iso.CopyFile(sourceFilePath, destinationFilePath);
}
}
private void DeleteDirectory(string path, IsolatedStorageFile iso)
{
if (!iso.DirectoryExists(path))
return;
var folders = iso.GetDirectoryNames(path + "/" + "*.*");
foreach (var folder in folders)
{
string folderPath = path + "/" + folder;
DeleteDirectory(folderPath, iso);
}
foreach (var file in iso.GetFileNames(path + "/" + "*.*"))
{
iso.DeleteFile(path + "/" + file);
}
if (path != "")
iso.DeleteDirectory(path);
}
private static string PrepareFilePath(DownloadItemDataModel item, IsolatedStorageFile storage)
{
if (item.BookID == Guid.Empty || !storage.DirectoryExists(item.BookID.ToString()))
{
item.BookID = CreateFolder(storage);
}
var bookPath = CreateBookPath(item);
if (storage.FileExists(bookPath))
{
storage.DeleteFile(bookPath);
}
return bookPath;
}
public static void EnsurePath(IsolatedStorageFile store, string filename)
{
for (string path = Path.GetDirectoryName(filename);
path != "";
path = Path.GetDirectoryName(path)) {
if (!store.DirectoryExists(path)) {
store.CreateDirectory(path);
}
}
}
private bool ExtractFile(StreamResourceInfo xapStream, IsolatedStorageFile isf, string fileName)
{
try
{
if (!isf.DirectoryExists("Temp"))
isf.CreateDirectory("Temp");
if (!isf.DirectoryExists(IsoTempFolderPath))
isf.CreateDirectory(IsoTempFolderPath);
var streamResource = Application.GetResourceStream(xapStream, new Uri(fileName, UriKind.Relative));
if (streamResource == null)
return false;
string shortFileName = ShortenFileName(fileName);
var fs = new IsolatedStorageFileStream(IsoTempFolderPath + "\\" + shortFileName, FileMode.Create, isf);
Byte[] bytes = new Byte[streamResource.Stream.Length];
streamResource.Stream.Read(bytes, 0, bytes.Length);
fs.Write(bytes, 0, bytes.Length);
fs.Close();
streamResource.Stream.Close();
return true;
}
catch (Exception ex)
{
}
return false;
}
/// <summary>
/// 确保Cache文件夹存在
/// </summary>
private void EnsureCacheFolder()
{
using ( _storage = IsolatedStorageFile.GetUserStoreForApplication() ) {
if ( !_storage.DirectoryExists( CACHE_FOLDER ) ) {
_storage.CreateDirectory( CACHE_FOLDER );
}
}
}
/// <summary>
/// Saves user password.
/// </summary>
/// <param name="store">The store.</param>
/// <param name="xml">The XML.</param>
private async void Save(IsolatedStorageFile store,
DbPersistentData xml)
{
if (!store.DirectoryExists(Folder))
store.CreateDirectory(Folder);
using (var fs = store.CreateFile(ProtectionPath))
{
var protect = xml.Protection;
fs.Write(protect, 0, protect.Length);
}
using (var fs = store.CreateFile(ParsedXmlPath))
using (var buffer = new MemoryStream(xml.Xml))
BufferEx.CopyStream(buffer, fs);
using (var fs = store.CreateFile(MasterPasswordPath))
{
var data = xml.MasterKey;
await fs.WriteAsync(data, 0, data.Length);
}
}
private static string PrepareFilePath(Book item, IsolatedStorageFile storage)
{
if (item.IsMyBook || item.IsFreeBook)
{
if (!storage.DirectoryExists(item.Id.ToString()))
{
storage.CreateDirectory(Path.Combine(CatalogPath, item.Id.ToString()));
}
}
else
{
if (!storage.DirectoryExists(item.Id + ".trial"))
{
storage.CreateDirectory(Path.Combine(CatalogPath, item.Id + ".trial"));
}
}
var bookPath = item.IsMyBook || item.IsFreeBook ? CreateBookPath(item.Id.ToString()) : CreateBookPath(item.Id + ".trial");
if (storage.FileExists(bookPath))
{
storage.DeleteFile(bookPath);
}
return bookPath;
}
public void MoveOldCrashlogsIfNeeded(IsolatedStorageFile store)
{
try
{
if (store.DirectoryExists(Constants.OldCrashDirectoryName))
{
var files = store.GetFileNames(Path.Combine(Constants.OldCrashDirectoryName, Constants.CrashFilePrefix + "*.log"));
if (files.Length > 0)
{
if (!store.DirectoryExists(Constants.CrashDirectoryName))
{
store.CreateDirectory(Constants.CrashDirectoryName);
}
foreach (var fileName in files)
{
store.MoveFile(Path.Combine(Constants.OldCrashDirectoryName, Path.GetFileName(fileName)), Path.Combine(Constants.CrashDirectoryName, Path.GetFileName(fileName)));
}
if (store.GetFileNames(Path.Combine(Constants.OldCrashDirectoryName, Constants.CrashFilePrefix + "*.*")).Length == 0)
{
store.DeleteDirectory(Constants.OldCrashDirectoryName);
}
}
}
}
catch (Exception e)
{
HockeyClient.Current.AsInternal().HandleInternalUnhandledException(e);
}
}
private static void CreateDirIfNecessary(IsolatedStorageFile iso, string dir)
{
if (!iso.DirectoryExists(dir))
{
iso.CreateDirectory(dir);
}
}
/// <summary>
/// Verifies whether or not a given directory exists in IsolatedStorage
/// </summary>
/// <param name="directorypath">The path to a given directory</param>
/// <param name="storage">A reference to a valid IsolatedStorageFile instance.</param>
/// <returns>True if the directory exists, false otherwise.</returns>
public static bool DirectoryExists(string directorypath, IsolatedStorageFile storage)
{
return storage.DirectoryExists(directorypath);
}
// helper function from: http://stackoverflow.com/questions/18422331/easy-way-to-recursively-delete-directories-in-isolatedstorage-on-wp7-8
private void DeleteDirectoryRecursively(IsolatedStorageFile storageFile, String dirName)
{
try
{
String pattern = dirName + @"\*";
String[] files = storageFile.GetFileNames(pattern);
foreach (var fName in files)
{
storageFile.DeleteFile(Path.Combine(dirName, fName));
}
String[] dirs = storageFile.GetDirectoryNames(pattern);
foreach (var dName in dirs)
{
DeleteDirectoryRecursively(storageFile, Path.Combine(dirName, dName));
}
if (storageFile.DirectoryExists(dirName))
{
storageFile.DeleteDirectory(dirName);
}
}
catch(Exception e)
{
Debug.WriteLine("Unable to delete directory : " + dirName);
}
}
private static void TryToDeleteAllFiles( IsolatedStorageFile storagefolder, string Directory) {
if (storagefolder.DirectoryExists(Directory))
{
try
{
string[] files = storagefolder.GetFileNames(Directory);
foreach (var item in files)
{
storagefolder.DeleteFile(Directory+item);
}
}
catch (Exception)
{
//In Use
throw;
}
}
}
// 构造函数
public MainPage()
{
InitializeComponent();
this.lat = 0.0;
this.lon = 0.0;
this.zoomlevel = MIN_ZOOM_LEVEL;
this.targetZoomLevel = 19;
this.scale = 1;
this.threshold = getDPI() * 0.06f;
this.hasTarget = false;
this.isTracking = false;
this.hasPosition = false;
plotterHelper = new PlotterHelper();
westCampus = new iustc.map.data.Rectangle(31.836497, 31.844080, 117.245445, 117.255058);
eastCamput = new iustc.map.data.Rectangle(31.834236, 31.844189, 117.258920, 117.267889);
arrowUri = new Uri("/iUSTCMap;component/resources/map_location_arrow.png", UriKind.Relative);
dotUri = new Uri("/iUSTCMap;component/resources/map_location_dot.png", UriKind.Relative);
arrowBitmap = new BitmapImage(arrowUri);
dotBitmap = new BitmapImage(dotUri);
if (cm == null)
cm = new CacheManager(CACHE_CAPACITY, this);
if (pThread == null)
pThread = new PlotterThread(cm);
watcher = new GeoCoordinateWatcher(GeoPositionAccuracy.High); // using high accuracy
LayoutRoot.Background = new SolidColorBrush(Color.FromArgb(255, 236, 236, 236));
isoFile = IsolatedStorageFile.GetUserStoreForApplication();
if (!isoFile.DirectoryExists("cache"))
{
isoFile.CreateDirectory("cache");
}
#region appBar
appBar = new ApplicationBar();
appBar.Opacity = 0.5;
locateButton = new ApplicationBarIconButton(new Uri("resources/appbar.locate.rest.png", UriKind.Relative));
locateButton.Text = "定位";
locateButton.Click += new EventHandler(locateButton_Click);
appBar.Buttons.Add(locateButton);
zoomInButton = new ApplicationBarIconButton(new Uri("resources/appbar.new.rest.png", UriKind.Relative));
zoomInButton.Text = "放大";
zoomInButton.Click += new EventHandler(zoomInButton_Click);
appBar.Buttons.Add(zoomInButton);
zoomOutButton = new ApplicationBarIconButton(new Uri("resources/appbar.minus.rest.png", UriKind.Relative));
zoomOutButton.Text = "缩小";
zoomOutButton.Click += new EventHandler(zoomOutButton_Click);
appBar.Buttons.Add(zoomOutButton);
selectCampusButton = new ApplicationBarIconButton(new Uri("resources/appbar.east.rest.png", UriKind.Relative));
selectCampusButton.Text = "东校区";
selectCampusButton.Click += new EventHandler(selectCampusButton_Click);
appBar.Buttons.Add(selectCampusButton);
ApplicationBar = appBar;
#endregion
}
static Storage()
{
storage = IsolatedStorageFile.GetUserStoreForAssembly();
if (!storage.DirectoryExists(rootDirectory)) storage.CreateDirectory(rootDirectory);
}
private void CopyDirectory(string sourceDir, string destDir, IsolatedStorageFile isoFile)
{
string path = File.AddSlashToDirectory(sourceDir);
bool bExists = isoFile.DirectoryExists(destDir);
if (!bExists)
{
isoFile.CreateDirectory(destDir);
}
destDir = File.AddSlashToDirectory(destDir);
string[] files = isoFile.GetFileNames(path + "*");
if (files.Length > 0)
{
foreach (string file in files)
{
isoFile.CopyFile(path + file, destDir + file, true);
}
}
string[] dirs = isoFile.GetDirectoryNames(path + "*");
if (dirs.Length > 0)
{
foreach (string dir in dirs)
{
CopyDirectory(path + dir, destDir + dir, isoFile);
}
}
}
private static void DeleteAllFiles(IsolatedStorageFile isf)
{
if (false == isf.DirectoryExists(Constants.MyScriptsDirectoryName))
return;
var filesDel = isf.GetFileNames(string.Format("{0}\\*", Constants.MyScriptsDirectoryName));
foreach (var f in filesDel)
{
isf.DeleteFile(Constants.MyScriptsDirectoryName + "\\" + f);
}
isf.DeleteDirectory(Constants.MyScriptsDirectoryName);
}
public override Task <bool> GetDirectoryExistsAsync(string path)
{
return(Task <bool> .Factory.StartNew(() => file.DirectoryExists(path)));
}