Ensures that a directory exists, creating it if it doesn't. - CSharp File IO

CSharp examples for File IO:Directory

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Description

Ensures that a directory exists, creating it if it doesn't.

Demo Code

// All rights reserved. 
using System.IO;/*from   w  ww. j  a  v a2s.  c  o m*/
using System;

public class Main{
        /// <summary>
        /// Ensures that a directory exists, creating it if it doesn't.
        /// </summary>
        /// <param name="path">
        /// Path to the directory.
        /// </param>
        /// <exception cref="System.ApplicationException">
        /// The path refers to a file.
        /// </exception>
        /// <exception cref="MultiLineException">
        /// An exception occurred when trying to create the directory.  That
        /// exception is the InnerException of the exception thrown by this
        /// method.
        /// </exception>
        /// <remarks>
        /// Any parent directories in the path that do not exist are also
        /// created.
        /// </remarks>
        public static void EnsureExists(string path)
        {
            if (IO.Directory.Exists(path))
                return;

            if (IO.File.Exists(path)) {
                string mesg = string.Format("{0} is a file, not a directory.", path);
                throw new ApplicationException(mesg);
            }

            try {
                IO.DirectoryInfo info = IO.Directory.CreateDirectory(path);
            }
            catch (System.Exception exc) {
                string mesg = string.Format("Could not create the directory \"{0}\"", path);
                throw new MultiLineException(mesg, exc);
            }
        }
}

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