/// <summary>
/// Deletes a file from isolated storage. If the file does not exist
/// then no exception will be thrown.
/// </summary>
/// <param name="fileName">File name of file to delete.</param>
public void Delete(IsolatedStorageFileName fileName)
{
using (var file = GetStorageFile())
{
file.DeleteFile(fileName.Name);
}
}
/// <summary>
/// Indicates whether the isolated storage file exists.
/// </summary>
/// <param name="fileName">File name.</param>
/// <returns>True if the file exists; otherwise returns false.</returns>
public bool Exists(IsolatedStorageFileName fileName)
{
using (var file = GetStorageFile())
{
return(file.FileExists(fileName.Name));
}
}
/// <summary>
/// Reads the contents of an isolated storage file as XML and returns as an XmlDocument.
/// </summary>
/// <param name="fileName">File name of file to read from.</param>
/// <returns>XmlDocument.</returns>
public XmlDocument ReadAsXmlDoc(IsolatedStorageFileName fileName)
{
var xmlDoc = new XmlDocument();
var xml = Read(fileName);
xmlDoc.LoadXml(xml);
return(xmlDoc);
}
/// <summary>
/// Writes string to a isolated storage file. If file already exists then it
/// will be overwritten.
/// </summary>
/// <param name="fileName">File name of file to write to.</param>
/// <param name="content">String to write to the file.</param>
public void Write(IsolatedStorageFileName fileName, string content)
{
using (IsolatedStorageFile file = GetStorageFile())
{
using (var stream = new IsolatedStorageFileStream(fileName.Name, FileMode.Create, file))
{
using (var writer = new StreamWriter(stream))
{
writer.Write(content);
}
}
}
}
/// <summary>
/// Read the contents of a isolated storage file.
/// </summary>
/// <param name="fileName">File name of file to read from.</param>
/// <returns>Content from the file.</returns>
public string Read(IsolatedStorageFileName fileName)
{
using (IsolatedStorageFile file = GetStorageFile())
{
using (var stream = new IsolatedStorageFileStream(fileName.Name, FileMode.Open, file))
{
using (var reader = new StreamReader(stream))
{
return(reader.ReadToEnd());
}
}
}
}
/// <summary>
/// Writes XML document to a isolated storage file. If file already exists then it
/// will be overwritten.
/// </summary>
/// <param name="fileName">File name of file to write to.</param>
/// <param name="xmlDocument">XML document to write to isolated storage.</param>
public void Write(IsolatedStorageFileName fileName, XmlDocument xmlDocument)
{
Write(fileName, xmlDocument.OuterXml);
}
/// <summary>
/// Reads the contents of an isolated storage file as XML and returns as an XDocument.
/// </summary>
/// <param name="fileName">File name of file to read from.</param>
/// <returns>XDocument.</returns>
public XDocument ReadAsXDoc(IsolatedStorageFileName fileName)
{
return(XDocument.Parse(Read(fileName)));
}
