using System;
using System.Collections.Generic;
using System.Text;
using System.Web;
using System.Web.Configuration;

namespace ScrewTurn.Wiki {

	/// <summary>
	/// Implements tools for local providers.
	/// </summary>
	public static class LocalProvidersTools {

		/// <summary>
		/// Checks a directory for write permissions.
		/// </summary>
		/// <param name="dir">The directory.</param>
		/// <returns><c>true</c> if the directory has write permissions, <c>false</c> otherwise.</returns>
		public static bool CheckWritePermissions(string dir) {
			string file = System.IO.Path.Combine(dir, "__StwTestFile.txt");

			bool canWrite = true;

			System.IO.FileStream fs = null;
			try {
				fs = System.IO.File.Create(file);
				fs.Write(Encoding.ASCII.GetBytes("Hello"), 0, 5);
			}
			catch {
				canWrite = false;
			}
			finally {
				try {
					if(fs != null) fs.Close();
					System.IO.File.Delete(file);
				}
				catch {
					canWrite = false;
				}
			}

			return canWrite;
		}

	}

}