public static bool WebUrlExist(string url) { bool result = false; WebRequest webRequest = WebRequest.Create(url); webRequest.Timeout = 1200; // miliseconds webRequest.Method = "HEAD"; HttpWebResponse response = null; try { response = (HttpWebResponse)webRequest.GetResponse(); result = true; } catch (WebException webException) { LoggingUtil.Exception(url + " doesn't exist: " + webException.Message); } finally { if (response != null) { response.Close(); } } return(result); }
// Method used to load the content of the json file. public static void Load() { try { // read the json file and deserialize it // save the content of each json value into // the ConfigurationJsonModel ConfigurationJsonModel = JsonConvert.DeserializeObject <ConfigurationJsonModel>(File.ReadAllText(Path.Combine(Configuration.APPDATA_PATH, Configuration.JSON_NAME))); } catch (Exception ex) { // set the ConfigurationJsonModel to null // we will create a new one as the old // does not exist or is corrupted ConfigurationJsonModel = null; LoggingUtil.Exception(String.Format("Configuration Load Exception {0}", ex)); } }
public static bool PingHost(string url, int port) { try { TcpClient client = new TcpClient(url, port) { SendTimeout = 5 }; if (client.SendTimeout == 5) { return(false); } client.Close(); return(true); } catch (Exception ex) { LoggingUtil.Exception(String.Format("PingHost Exception: {0}", ex.Message)); return(false); } }
// Method for decompressing files. public static void Decompress(FileInfo fileToDecompress) { try { // open the file as a file stream using (FileStream decompressFileStream = fileToDecompress.OpenRead()) { // full name of the file including the // compressed file extension e.g. "C:\Data.exe.gz" string fullFileName = fileToDecompress.FullName; // full name of the file without the // compressed file extension e.g. "C:\Data.exe" string fileNameWithoutExtension = fullFileName.Remove(fullFileName.Length - fileToDecompress.Extension.Length); // create the file using (FileStream decompressedFileStream = File.Create(fileNameWithoutExtension)) { // decompress the file using (GZipStream decompressionStream = new GZipStream(decompressFileStream, CompressionMode.Decompress)) { // copy the decompressed file of the // stream to the specified location decompressionStream.CopyTo(decompressedFileStream); LoggingUtil.Info(String.Format("Decompressed: {0}", fileToDecompress.FullName)); } } } } catch (Exception ex) { // Log if the file could not be // decompressed due to an exception. LoggingUtil.Exception(String.Format("Decompress Exception: {0}", ex.Message)); } }
// Method for compressing files. public static void Compress(FileInfo fileToCompress, string baseFolder) { try { // open the file as a file stream // that need to be compressed using (FileStream fileStream = fileToCompress.OpenRead()) { // if the file is not hidden and has not the // compression file extension (e.g. ".gz") // go on and compress the file if (!File.GetAttributes(fileToCompress.FullName).HasFlag(FileAttributes.Hidden) & !fileToCompress.DirectoryName.Contains(Configuration.TEMP_FOLDER_NAME)) { // create a temporary directory if it does not exist DirectoryUtil.CreateDirectory(Path.Combine(baseFolder, Configuration.TEMP_FOLDER_NAME)); // path for the dictionary key string key = fileToCompress.FullName.Replace(baseFolder, ""); // generate the md5 of the file string hashValue = CryptographyUtil.Md5(File.ReadAllBytes(fileToCompress.FullName)); // create the sub-directory in the temp folder // if it does not exist DirectoryUtil.CreateDirectory(Path.Combine(baseFolder, Configuration.TEMP_FOLDER_NAME + fileToCompress.FullName.Replace(baseFolder, "").Replace(fileToCompress.Name, ""))); // create the file in the location of the base // folder + temp folder + the file name, again we // need to replace the base path to append it after the // temp folder in order to prevent an absolute path at the end // append the compressed file extension using (FileStream compressedFileStream = File.Create(Path.Combine(baseFolder, Configuration.TEMP_FOLDER_NAME + fileToCompress.FullName.Replace(baseFolder, "") + Configuration.COMPRESSION_FORMAT))) { // compress the file using (GZipStream compressionStream = new GZipStream(compressedFileStream, CompressionMode.Compress)) { // copy the file of the // stream to the specified location fileStream.CopyTo(compressionStream); LoggingUtil.Info(String.Format("Compressed: {0}", fileToCompress.FullName)); } // just some not explicit needed information // reduced size info after the compression ... FileInfo fileInfo = new FileInfo(Path.Combine(baseFolder, Configuration.TEMP_FOLDER_NAME + fileToCompress.FullName.Replace(baseFolder, "") + Configuration.COMPRESSION_FORMAT)); Console.WriteLine("Compressed {0} from {1} to {2} bytes.", fileToCompress.Name, fileToCompress.Length.ToString(), fileInfo.Length.ToString()); } // Add to the list each item (file) with the specified values checksumElements.Add(new FileJsonModel() { Name = fileToCompress.Name, Path = key, Hash = hashValue, Date = fileToCompress.CreationTimeUtc.ToUniversalTime().ToString(), Size = fileToCompress.Length, Language = null }); } } } catch (Exception ex) { // Log if the file could not be // compressed due to an exception. LoggingUtil.Exception(String.Format("Compress Exception: {0}", ex.Message)); } }