[Updater] more refactoring

Mage.Updater/src/main/java/com/magefree/update/Updater.java

@@ -1,6 +1,10 @@
 package com.magefree.update;
 
-import java.io.*;
+import com.magefree.update.helpers.ChechsumHelper;
+import com.magefree.update.helpers.FileHelper;
+
+import java.io.File;
+import java.io.IOException;
 import java.net.HttpURLConnection;
 import java.net.URL;
 import java.net.URLConnection;
@@ -166,43 +170,13 @@ public class Updater {
             urlConnection.connect();
 
             if (urlConnection.getResponseCode() == HttpURLConnection.HTTP_OK) {
-                downloadFile(filename, urlConnection);
+                FileHelper.downloadFile(filename, urlConnection);
             } else {
                 System.out.println(filename + " error status : " + urlConnection.getResponseMessage());
             }
         }
     }
 
-    /**
-     * Downloads specified file.
-     *
-     * @param filename
-     * @param urlConnection
-     */
-    private void downloadFile(String filename, HttpURLConnection urlConnection) {
-        System.out.println("Downloading " + filename);
-        try {
-            InputStream in = urlConnection.getInputStream();
-            File f = new File(filename);
-            if (!f.exists()) {
-                f.getParentFile().mkdirs();
-                System.out.println("Directories have been created: " + f.getParentFile().getPath());
-            }
-
-            FileOutputStream out = new FileOutputStream(filename);
-            byte[] buf = new byte[4 * 1024];
-            int bytesRead;
-
-            while ((bytesRead = in.read(buf)) != -1) {
-                out.write(buf, 0, bytesRead);
-            }
-
-            System.out.println("File has been updated: " + filename);
-        } catch (IOException e) {
-            System.out.println("i/o exception - " + e.getMessage());
-        }
-    }
-
     /**
      * Removes files from the list.
      *

Mage.Updater/src/main/java/com/magefree/update/helpers/ChechsumHelper.java

@@ -1,4 +1,4 @@
-package com.magefree.update;
+package com.magefree.update.helpers;
 
 import java.io.FileInputStream;
 import java.io.InputStream;

Mage.Updater/src/main/java/com/magefree/update/helpers/FileHelper.java

@@ -1,7 +1,7 @@
-package com.magefree.update;
+package com.magefree.update.helpers;
 
-import java.io.File;
+import java.io.*;
-import java.io.FilenameFilter;
+import java.net.HttpURLConnection;
 import java.util.ArrayList;
 import java.util.List;
 
@@ -15,6 +15,26 @@ public class FileHelper {
     private FileHelper() {
     }
 
+    /**
+     * Filters out dirs.
+     */
+    private static final FilenameFilter anyFileFilter = new FilenameFilter() {
+        @Override
+        public boolean accept(File dir, String name) {
+            return dir.isFile();
+        }
+    };
+
+    /**
+     * Filters out jars.
+     */
+    private static final FilenameFilter jarFileFilter = new FilenameFilter() {
+        @Override
+        public boolean accept(File dir, String name) {
+            return name.endsWith(".jar");
+        }
+    };
+
     /**
      * Gets .jar files from specified folder.
      *
@@ -67,22 +87,32 @@ public class FileHelper {
     }
 
     /**
-     * Filters out dirs.
+     * Downloads specified file.
+     *
+     * @param filename
+     * @param urlConnection
      */
-    private static final FilenameFilter anyFileFilter = new FilenameFilter() {
+    public static void downloadFile(String filename, HttpURLConnection urlConnection) {
-        @Override
+        System.out.println("Downloading " + filename);
-        public boolean accept(File dir, String name) {
+        try {
-            return dir.isFile();
+            InputStream in = urlConnection.getInputStream();
+            File f = new File(filename);
+            if (!f.exists()) {
+                f.getParentFile().mkdirs();
+                System.out.println("Directories have been created: " + f.getParentFile().getPath());
             }
-    };
 
-    /**
+            FileOutputStream out = new FileOutputStream(filename);
-     * Filters out jars.
+            byte[] buf = new byte[4 * 1024];
-     */
+            int bytesRead;
-    private static final FilenameFilter jarFileFilter = new FilenameFilter() {
+
-        @Override
+            while ((bytesRead = in.read(buf)) != -1) {
-        public boolean accept(File dir, String name) {
+                out.write(buf, 0, bytesRead);
-            return name.endsWith(".jar");
+            }
+
+            System.out.println("File has been updated: " + filename);
+        } catch (IOException e) {
+            System.out.println("i/o exception - " + e.getMessage());
+        }
     }
-    };
 }