- First Update

Mitria_Minecraft_Launcher/Downloader.cs

@@ -0,0 +1,86 @@
+using System;
+using System.ComponentModel;
+using System.IO;
+using System.Net;
+
+
+namespace Mitria_Minecraft_Launcher
+{
+    public class Downloader
+    {
+        private static int BufferSize = 1024 * 1240 * 1; //1MB
+
+        public delegate void DownloaderProgressChangedEventHandler(object sender, DownloaderProgressChangedEventArgs downloaderProgressChangedEventArgs);
+        public event DownloaderProgressChangedEventHandler DownloaderProgressChangedEvent;
+
+        public void DownloadFile(string url, string path)
+        {
+            HttpWebRequest request = WebRequest.CreateHttp(url);
+            WebResponse response = request.GetResponse();
+            long fileSize = long.Parse(response.Headers.Get("Content-Length"));
+
+            Stream webStream = response.GetResponseStream();
+            Stream fileStream = File.Open(path, FileMode.Create);
+
+            byte[] buffer = new byte[BufferSize];
+            int length = 0;
+            int processedByte = 0;
+            while ((length = webStream.Read(buffer, 0, BufferSize)) > 0)
+            {
+                fileStream.Write(buffer, 0, length);
+
+                processedByte += length;
+                var e = new DownloaderProgressChangedEventArgs(processedByte, fileSize);
+                DownloaderProgressChangedEvent?.Invoke(this, e);
+            }
+
+            webStream.Dispose();
+            fileStream.Dispose();
+        }
+
+        public string DownloadString(string url)
+        {
+            try
+            {
+                HttpWebRequest request = WebRequest.CreateHttp(url);
+                WebResponse response = request.GetResponse();
+
+                StreamReader streamReader = new StreamReader(response.GetResponseStream());
+                string resultString = streamReader.ReadToEnd();
+                streamReader.Close();
+
+                return resultString;
+            }
+            catch (WebException ex)
+            {
+                switch (ex.Status)
+                {
+                    case WebExceptionStatus.ConnectFailure:
+                        CommonLibrary.Log.FATAL("ConnectFailure : " + url);
+                        break;
+                    case WebExceptionStatus.Timeout:
+                        CommonLibrary.Log.FATAL("TimeOut : " + url);
+                        break;
+                    case WebExceptionStatus.ProtocolError:
+                        CommonLibrary.Log.FATAL("Not Found Page : " + url);
+                        break;
+                    default:
+                        break;
+
+                }
+                return string.Empty;
+            }
+        }
+    }
+    public class DownloaderProgressChangedEventArgs : EventArgs
+    {
+        public long ProcessedByte { get; set; }
+        public long FileSize { get; set; }
+        public DownloaderProgressChangedEventArgs(long processByte, long fileSize)
+        {
+            ProcessedByte = processByte;
+            FileSize = fileSize;
+        }
+    }
+
+}