Initial Commit

MarketData/MarketDataLib/CSVHelper/ExtractFileHelper.cs

@@ -0,0 +1,86 @@
+using System;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Linq;
+using System.Text;
+using System.IO;
+using System.IO.Compression;
+
+namespace MarketData.CSVHelper
+{
+  public class ExtractFileHelper
+  {
+    public static List<String> GetExtractFiles(String extractFolder)
+    {
+      try
+      {
+        List<String> fileList = new List<String>();
+        String[] arFileList = Directory.GetFiles(extractFolder, "*.csv");
+        for (int index = 0; index < arFileList.Length; index++) fileList.Add(arFileList[index]);
+        return fileList;
+      }
+      catch (Exception exception)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Exception: {0}",exception.ToString()));
+        return null;
+      }
+    }
+    public static List<String> ExtractToFolder(String strPathFileName, String extractToFolder)
+    {
+      List<String> strPathExtractedFiles = new List<String>();
+      try
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Extracting contents of {0} to {1}", strPathFileName, extractToFolder));
+        using (ZipArchive archive = ZipFile.OpenRead(strPathFileName))
+        {
+          foreach (ZipArchiveEntry entry in archive.Entries)
+          {
+            MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Extracting {0}", entry.FullName));
+            String strPathFullName = extractToFolder + "\\" + entry.FullName;
+            String strDirectoryName = null;
+            if (entry.FullName.Contains('\\') || entry.FullName.Contains('/')) strDirectoryName = Path.GetDirectoryName(entry.FullName);
+            if (null != strDirectoryName)
+            {
+              if (!Directory.Exists(extractToFolder + "\\" + strDirectoryName))
+              {
+                Directory.CreateDirectory(extractToFolder + "\\" + strDirectoryName);
+              }
+            }
+            if (File.Exists(strPathFullName))
+            {
+              try { File.Delete(strPathFullName); }
+              catch (Exception exception)
+              {
+                MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Exception removing file {0}, exception was {1}, continuing with extraction.", strPathFullName, exception.Message));
+              }
+            }
+            try { entry.ExtractToFile(strPathFullName, true); }
+            catch (Exception exception)
+            {
+              MDTrace.WriteLine(LogLevel.DEBUG,String.Format("Unable to extract the file {0} from {1}, exception was {2}", strPathFullName, strPathFileName, exception.Message));
+              continue;
+            }
+            strPathExtractedFiles.Add(strPathFullName);
+          }
+        }
+        return strPathExtractedFiles;
+      }
+      catch (Exception exception)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,exception.ToString());
+        return strPathExtractedFiles;
+      }
+    }
+    public static void RemoveZipFile(String strPathFileName)
+    {
+      try
+      {
+        File.Delete(strPathFileName);
+      }
+      catch (Exception exception)
+      {
+        MDTrace.WriteLine(LogLevel.DEBUG,exception.ToString());
+      }
+    }
+  }
+}