Remove empty constructor

src/main/java/me/goudham/ClipboardUtils.java

@@ -9,6 +9,7 @@ import java.io.File;
 import java.io.IOException;
 import java.util.List;
 import me.goudham.domain.ClipboardContent;
+import me.goudham.domain.GenericClipboardContent;
 import me.goudham.domain.MyBufferedImage;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -88,16 +89,16 @@ class ClipboardUtils {
      * @return {@link GenericClipboardContent} containing clipboard contents
      */
     GenericClipboardContent<?> getClipboardContents(Transferable contents) {
-        GenericClipboardContent<?> genericClipboardContent = new GenericClipboardContent<>();
+        GenericClipboardContent<?> genericClipboardContent = null;
 
         try {
             if (contents.isDataFlavorSupported(TEXT.getDataFlavor())) {
-                genericClipboardContent.setOldContent(contents.getTransferData(TEXT.getDataFlavor()));
+                genericClipboardContent = new GenericClipboardContent<>(contents.getTransferData(TEXT.getDataFlavor()));
             } else if (contents.isDataFlavorSupported(IMAGE.getDataFlavor())) {
                 BufferedImage bufferedImage = convertToBufferedImage((Image) contents.getTransferData(IMAGE.getDataFlavor()));
-                genericClipboardContent.setOldContent(new MyBufferedImage(bufferedImage));
+                genericClipboardContent = new GenericClipboardContent<>(new MyBufferedImage(bufferedImage));
             } else if (contents.isDataFlavorSupported(FILE.getDataFlavor())) {
-                genericClipboardContent.setOldContent(contents.getTransferData(FILE.getDataFlavor()));
+                genericClipboardContent = new GenericClipboardContent<>(contents.getTransferData(FILE.getDataFlavor()));
             }
         } catch (UnsupportedFlavorException | IOException exp) {
             logger.error("Exception Thrown When Retrieving Clipboard Contents", exp);

src/main/java/me/goudham/MacClipboardListener.java

@@ -9,6 +9,7 @@ import java.util.concurrent.Executors;
 import java.util.concurrent.ScheduledExecutorService;
 import java.util.concurrent.TimeUnit;
 import me.goudham.domain.ClipboardContent;
+import me.goudham.domain.GenericClipboardContent;
 import me.goudham.domain.MyBufferedImage;
 
 import static java.lang.Thread.sleep;

src/main/java/me/goudham/domain/GenericClipboardContent.java

@@ -1,15 +1,11 @@
-package me.goudham;
+package me.goudham.domain;
 
 import java.util.Objects;
 
-class GenericClipboardContent<T> {
+public class GenericClipboardContent<T> {
     private T oldContent;
 
-    GenericClipboardContent() {
-
-    }
-
-    GenericClipboardContent(Object oldContent) {
+    public GenericClipboardContent(Object oldContent) {
         this.oldContent = (T) oldContent;
     }
 

src/test/java/me/goudham/ClipboardUtilsTest.java

@@ -10,6 +10,7 @@ import java.io.IOException;
 import java.util.List;
 import java.util.stream.Stream;
 import me.goudham.domain.ClipboardContent;
+import me.goudham.domain.GenericClipboardContent;
 import me.goudham.domain.MyBufferedImage;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;