From: rnayabed <debayansutradhar3@gmail.com>
Date: Thu, 31 Dec 2020 19:19:10 +0530
Subject: Added IOHelper class (for unzipping files)
---
Added IOHelper class (for unzipping files)
---


--- /dev/null
+++ b/src/main/java/com/StreamPi/Util/IOHelper/IOHelper.java
@@ -0,0 +1,51 @@
+package com.StreamPi.Util.IOHelper;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipInputStream;
+
+public class IOHelper {
+    public static void unzip(InputStream inputStream, String destDir) throws Exception{
+        File dir = new File(destDir);
+        // create output directory if it doesn't exist
+        if(!dir.exists()) dir.mkdirs();
+        InputStream fis;
+        //buffer for read and write data to file
+        byte[] buffer = new byte[1024];
+
+
+        fis = inputStream;
+            ZipInputStream zis = new ZipInputStream(fis);
+            ZipEntry ze = zis.getNextEntry();
+            while(ze != null){
+                String fileName = ze.getName();
+
+                File newFile = new File(destDir + File.separator + fileName);
+
+                if(ze.isDirectory())
+                {
+                    newFile.mkdirs();
+                }
+                else
+                {
+                    FileOutputStream fos = new FileOutputStream(newFile);
+                    int len;
+                    while ((len = zis.read(buffer)) > 0) {
+                    fos.write(buffer, 0, len);
+                    }
+                    fos.close();
+                 
+                }
+                //close this ZipEntry
+                zis.closeEntry();
+                ze = zis.getNextEntry();
+            }
+            //close last ZipEntry
+            zis.closeEntry();
+            zis.close();
+            fis.close();
+    }
+}

--- 'a/src/main/java/module-info.java'
+++ b/src/main/java/module-info.java
@@ -17,4 +17,5 @@ module com.StreamPi.Util {
     exports com.StreamPi.Util.ComboBox;
     exports com.StreamPi.Util.XMLConfigHelper;
     exports com.StreamPi.Util.LoggerHelper;
+    exports com.StreamPi.Util.IOHelper;
 }
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