OKW_FileHelper.cs

#region Header
/*
    ==============================================================================
      Author: Zoltan Hrabovszki <zh@openkeyword.de>

      Copyright © 2012, 2013, 2014, 2015 IT-Beratung Hrabovszki
      www.OpenKeyWord.de
    ============================================================================== 

    This file is part of OpenKeyWord.

    OpenKeyWord is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    OpenKeyWord is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with OpenKeyWord.  If not, see <http://www.gnu.org/licenses/>.

    Diese Datei ist Teil von OpenKeyWord.

    OpenKeyWord ist Freie Software: Sie können es unter den Bedingungen
    der GNU General Public License, wie von der Free Software Foundation,
    Version 3 der Lizenz oder (nach Ihrer Wahl) jeder späteren
    veröffentlichten Version, weiterverbreiten und/oder modifizieren.

    OpenKeyWord wird in der Hoffnung, dass es nützlich sein wird, aber
    OHNE JEDE GEWÄHRLEISTUNG, bereitgestellt; sogar ohne die implizite
    Gewährleistung der MARKTFÄHIGKEIT oder EIGNUNG FÜR EINEN BESTIMMTEN ZWECK.
    Siehe die GNU General Public License für weitere Details.

    Sie sollten eine Kopie der GNU General Public License zusammen mit 
    OpenKeyWord erhalten haben. Wenn nicht, siehe <http://www.gnu.org/licenses/>.
*/
#endregion Header

namespace OKW
{
    using System;
    using System.IO;
    using System.Text;
    using OKW.Log;
    using OKW.ANTLR4;

    public static class OKW_FileHelper
    {
        #region Methods

        public static void DirectoryCreateEmpty(string fpsPath)
        {
            string lvsPath = string.Empty;
        try 
        {
            lvsPath = MyParser.ParseMe(fpsPath);

            // Determine whether the directory exists.
            if (Directory.Exists(lvsPath)) 
            {
                DirectoryDelete(lvsPath);
            }
            else if (File.Exists(lvsPath))
            {
                FileDelete(lvsPath);
            }

            // Try to create the directory.
            DirectoryInfo di = Directory.CreateDirectory(lvsPath);
            //Console.WriteLine("The directory was created successfully at {0}.", Directory.GetCreationTime(path));
        } 
        catch (Exception e) 
        {
            Console.WriteLine("The process failed: {0}", e.ToString());
        } 
        finally {}

 
        }
        public static void DirectoryDelete(string fpsPaFiNa)
        {
            string lvsPaFiNa = string.Empty;

            lvsPaFiNa = MyParser.ParseMe(lvsPaFiNa);

            if (System.IO.Directory.Exists(fpsPaFiNa))
            {
                // Use a try block to catch IOExceptions, to
                // handle the case of the file already being
                // opened by another process.
                try
                {
                    System.IO.Directory.Delete(lvsPaFiNa, true);
                }
                catch (System.IO.IOException e)
                {
                    Console.WriteLine(e.Message);
                    return;
                }
            }
            
            return;
        }

        public static bool DirectoryExist(string fpsPaFiNa)
        {
            string lvsPaFiNa = string.Empty;

            lvsPaFiNa = MyParser.ParseMe(fpsPaFiNa);

            return System.IO.Directory.Exists(lvsPaFiNa);
        }

        public static void DirectoryMove(string fpsPaNaSource, string fpsPaNaDestination)
        {

            string lvsPaNaSource = string.Empty;
            string lvsPaNaDestination = string.Empty;

            lvsPaNaSource = MyParser.ParseMe(fpsPaNaSource);
            lvsPaNaDestination = MyParser.ParseMe(fpsPaNaDestination);
        
            if (System.IO.Directory.Exists(lvsPaNaSource))
            {
                // Use a try block to catch IOExceptions, to
                // handle the case of the file already being
                // opened by another process.
                try
                {
                    // Löschen des ZIEL-verzeichnissen wenn vorhanden
                    System.IO.Directory.Delete(lvsPaNaDestination, true);
                    System.IO.Directory.Move(lvsPaNaSource, lvsPaNaDestination);
                }
                catch (System.IO.IOException e)
                {
                    Console.WriteLine(e.Message);
                    return;
                }
            }
            
            return;
        }

        public  static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs)
        {
            // Get the subdirectories for the specified directory.
            var dir = new DirectoryInfo(sourceDirName);
            DirectoryInfo[] dirs = dir.GetDirectories();

            if (!dir.Exists)
            {
                throw new DirectoryNotFoundException(
                    "Source directory does not exist or could not be found: "
                    + sourceDirName);
            }

            // If the destination directory doesn't exist, create it. 
            if (!Directory.Exists(destDirName))
            {
                Directory.CreateDirectory(destDirName);
            }

            // Get the files in the directory and copy them to the new location.
            FileInfo[] files = dir.GetFiles();
            foreach (FileInfo file in files)
            {
                string temppath = Path.Combine(destDirName, file.Name);
                file.CopyTo(temppath, false);
            }

            // If copying subdirectories, copy them and their contents to new location. 
            if (copySubDirs)
            {
                foreach (DirectoryInfo subdir in dirs)
                {
                    string temppath = Path.Combine(destDirName, subdir.Name);
                    DirectoryCopy(subdir.FullName, temppath, copySubDirs);
                }
            }
        }

        public static void FilesDelete(string fpsPaFiNa)
        {
            string lvsDirectory = Path.GetDirectoryName(fpsPaFiNa);
            string lvsFilename  = Path.GetFileName(fpsPaFiNa);

            var MyFiles = Directory.GetFiles(lvsDirectory, lvsFilename);

            foreach (var MyFile in MyFiles)
            {
                if (File.Exists(MyFile))
                {
                    File.Delete(MyFile);
                }
            }
            return;
        }

        public static void FileDelete(string fpsPaFiNa)
        {
            if (System.IO.File.Exists(fpsPaFiNa))
            {
                // Use a try block to catch IOExceptions, to
                // handle the case of the file already being
                // opened by another process.
                try
                {
                    System.IO.File.Delete(fpsPaFiNa);
                }
                catch (System.IO.IOException e)
                {
                    Console.WriteLine(e.Message);
                    return;
                }
            }
            
            return;
        }

        public static bool FileExist(string fpsPaFiNa)
        {
            bool lvbReturn = false;
            Logger.Instance.LogFunctionStartDebug("OKW_FileHelper.FileExist", "fpsPaFiNa", fpsPaFiNa);
            
            try
            {
                if (Directory.Exists(fpsPaFiNa))
                {
                    throw(new OKWFileDoesNotExistsException("This is not a File! Given path is a directory!"));
                }
                else
                {
                    lvbReturn = File.Exists(fpsPaFiNa);
                }
            }
            finally
            {
                Logger.Instance.LogFunctionEndDebug(lvbReturn.ToString());
            }
            return lvbReturn;
        }

        public static void FileMove(string fpsPaFiNaSource, string fpsPaFiNaDestination)
        {
            if (System.IO.File.Exists(fpsPaFiNaSource))
            {
                // Use a try block to catch IOExceptions, to
                // handle the case of the file already being
                // opened by another process.
                try
                {
                    System.IO.File.Delete(fpsPaFiNaDestination);
                    System.IO.File.Move(fpsPaFiNaSource, fpsPaFiNaDestination);
                }
                catch (System.IO.IOException e)
                {
                    Console.WriteLine(e.Message);
                    return;
                }
            }
            else
            {
                // Exception auslösen: Datei di nicht vorhanden is kann nicht verschoben werden.
            }

            return;
        }

        public static void FileCreate(string fpsPaFiNa)
        {
            FileStream myFileStream = File.Open(fpsPaFiNa, FileMode.OpenOrCreate, FileAccess.ReadWrite, FileShare.ReadWrite);
            myFileStream.Close();
            myFileStream.Dispose();
            File.SetLastWriteTimeUtc(fpsPaFiNa, DateTime.UtcNow);
        }

        public static bool IsFolderEmpty(string Folder)
        {
            try
            {
                if (Directory.GetDirectories(Folder).Length == 0)
                {
                    if (Directory.GetFiles(Folder).Length == 0)
                    {
                        return true;
                    }
                }
            }
            catch (Exception)
            {
                return false;
            }

            return false;
        }

        private static void CopyDirectoryWithIncludedFiles(string dirCopySource, string dirCopyTarget)
        {
            // alle Unterverzeichnisse des aktuellen Verzeichnisses ermitteln
            string[] subDirectories = System.IO.Directory.GetDirectories(dirCopySource);

            // Zielpfad erzeugen
            StringBuilder newTargetPath = new StringBuilder();
            {
                newTargetPath.Append(dirCopyTarget);
                newTargetPath.Append(dirCopySource.Substring(dirCopySource.LastIndexOf(@"\")));
            }

            // wenn aktueller Ordner nicht existiert -> ersstellen
            if (!Directory.Exists(newTargetPath.ToString()))
            {
                Directory.CreateDirectory(newTargetPath.ToString());
            }

            // Unterverzeichnise durchlaufen und Funktion mit dazu gehörigen Zielpfad erneut aufrufen(Rekursion)
            foreach (string subDirectory in subDirectories)
            {
                string newDirectoryPath = subDirectory;

                // wenn ''/'' an letzter Stelle dann entfernen
                if (newDirectoryPath.LastIndexOf(@"\") == (newDirectoryPath.Length - 1))
                {
                    newDirectoryPath = newDirectoryPath.Substring(0, newDirectoryPath.Length - 1);
                }

                // rekursiever Aufruf
                CopyDirectoryWithIncludedFiles(newDirectoryPath, newTargetPath.ToString());
            }

            // alle enthaltenden Dateien des aktuellen Verzeichnisses ermitteln
            string[] fileNames = Directory.GetFiles(dirCopySource);
            foreach (string fileSource in fileNames)
            {
                // Zielpfad + Dateiname
                StringBuilder fileTarget = new StringBuilder();
                {
                    fileTarget.Append(newTargetPath);
                    fileTarget.Append(fileSource.Substring(fileSource.LastIndexOf(@"\")));
                }

                // Datei kopieren, wenn schon vorhanden überschreiben
                File.Copy(fileSource, fileTarget.ToString(), true);
            }
        }

        public static string ConvertDirectorySeperator(string fpsPath)
        {
            string lvsReturn = fpsPath;

            if ( System.IO.Path.DirectorySeparatorChar.ToString() == @"/" )
            {
                lvsReturn = fpsPath.Replace(@"\", @"/");
            }
            else if (System.IO.Path.DirectorySeparatorChar.ToString() == @"\")
            {
                lvsReturn = fpsPath.Replace(@"/", @"\");
            }

            return lvsReturn;
        }
        
        
        
        #endregion Methods
    }
}