BAEL-4856 Download a binary file using OkHttp

libraries-http-2/src/main/java/com/baeldung/okhttp/download/BinaryFileDownloadApplication.java

@@ -0,0 +1,26 @@
+package com.baeldung.okhttp.download;
+
+import okhttp3.OkHttpClient;
+
+import java.io.FileOutputStream;
+
+public class BinaryFileDownloadApplication {
+
+  public static void main(String[] args) {
+    String url = args[0];
+    String file = args[1];
+    try (BinaryFileDownloader downloader = new BinaryFileDownloader(new OkHttpClient(),
+                                                                    new BinaryFileWriter(new FileOutputStream(file)))) {
+      long downloadSize = downloader.download(url);
+      double downloadSizeInMB = convertToMB(downloadSize);
+      System.out.printf("Successfully downloaded file %s from %s. Total size %.2fMB%n", file, url, downloadSizeInMB);
+    } catch (Exception ex) {
+      System.err.printf("Could not download file %s from %s. %nError: %s%n", file, url, ex);
+    }
+  }
+
+  private static double convertToMB(double downloadSize) {
+    return downloadSize / (1024.0 * 1024.0);
+  }
+
+}