Remove imports

Author: 1whatleytay

src/main/java/org/hydev/mcpm/client/Downloader.java

@@ -11,20 +11,11 @@
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
-import java.util.HashMap;
-import java.util.Map;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Executors;
-import java.util.concurrent.TimeUnit;
-
 /**
  * File downloader
  */
 public class Downloader
 {
-    /** Number of simultaneous downloads */
-    private int threads = 5;
-
     private final ProgressBar bar = new ProgressBar(ProgressBarTheme.ASCII_THEME);
 
     /**
@@ -78,51 +69,4 @@ public void downloadFile(String url, String to)
             throw new RuntimeException(e);
         }
     }
-
-    /**
-     * Download multiple files from the internet to local storage through HTTP requests
-     * <p>
-     * The implementation must use multithreading
-     *
-     * @param urls Mapping of remote urls to local file paths
-     */
-    public void downloadFiles(Map<String, String> urls)
-    {
-        try (ExecutorService executor = Executors.newFixedThreadPool(threads))
-        {
-            var files = urls.keySet().stream().toList();
-
-            if (files.size() > 0)
-            {
-                for (String url : files)
-                {
-                    executor.submit(() ->
-                    {
-                        String to = urls.get(url);
-                        downloadFile(url, to);
-                    });
-                }
-                executor.shutdown();
-                // All files submitted for downloading
-
-                //noinspection ResultOfMethodCallIgnored
-                executor.awaitTermination(Long.MAX_VALUE, TimeUnit.NANOSECONDS);
-
-                // All files are completely downloaded
-            }
-        } catch (InterruptedException e) { /* do nothing */ }
-    }
-
-    /**
-     * Setter for threads
-     *
-     * @param threads Number of simultaneous downloads
-     * @return this (for fluent access)
-     */
-    @SuppressWarnings("unused")
-    public Downloader threads(int threads)
-    {
-        this.threads = threads;
-        return this;
-    }
 }

src/main/java/org/hydev/mcpm/client/display/ProgressRowBoundary.java

@@ -15,13 +15,6 @@ public interface ProgressRowBoundary {
      */
     String toString(ProgressBarTheme theme, int cols);
 
-    /**
-     * Increase progress by incr.
-     *
-     * @param incr Increase amount
-     */
-    void increase(long incr);
-
     /**
      * Update the progress.
      *

src/main/java/org/hydev/mcpm/client/display/progress/ProgressBar.java

@@ -4,7 +4,6 @@
 import org.hydev.mcpm.client.display.ProgressBarBoundary;
 import org.hydev.mcpm.client.display.ProgressRowBoundary;
 import org.hydev.mcpm.utils.ConsoleUtils;
-import org.jetbrains.annotations.NotNull;
 
 import java.io.PrintStream;
 import java.util.ArrayList;

src/main/java/org/hydev/mcpm/client/display/progress/ProgressRow.java

@@ -91,7 +91,6 @@ public void setPb(ProgressBarBoundary pb)
      *
      * @param incr Increase amount
      */
-    @Override
     public void increase(long incr)
     {
         if (this.completed >= total) return;

src/main/java/org/hydev/mcpm/utils/ZstdUtils.java

@@ -7,7 +7,6 @@
 
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
-import java.nio.charset.StandardCharsets;
 import java.util.Arrays;
 
 /**