Update FileUtils.java

Author: alvinqid

src/main/java/id.my.alvinq.prokitid.libs/FileUtils.java

@@ -5,10 +5,34 @@
 import java.nio.file.attribute.BasicFileAttributes;
 
 public class FileUtils {
+
     public static void copyFile(String from, String to) {
         try {
         Files.copy(Paths.get(from), Paths.get(to), StandardCopyOption.REPLACE_EXISTING);
-        } catch (IOException error) {
-        }
+        } catch (IOException error) {}
+    }
+
+    public static void copyFolder(String source, String target) {
+        try {
+        final Path from = Paths.get(source);
+        final Path to = Paths.get(target);
+
+        Files.walkFileTree(from, new SimpleFileVisitor<Path>() {
+            @Override
+            public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
+                Path targetDir = to.resolve(from.relativize(dir));
+                if (!Files.exists(targetDir)) {
+                    Files.createDirectories(targetDir);
+                }
+                return FileVisitResult.CONTINUE;
+            }
+
+            @Override
+            public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
+                Files.copy(file, to.resolve(from.relativize(file)), StandardCopyOption.REPLACE_EXISTING);
+                return FileVisitResult.CONTINUE;
+            }
+        });
+    } catch (IOException error) {}
     }
 }