small refactor

app/src/main/java/chess/view/AssetManager.java

@@ -1,38 +0,0 @@
-package chess.view;
-
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-
-public class AssetManager {
-
-	private static final String gradleBase = "app/src/main/resources/";
-
-	public static InputStream getResource(String name) {
-		// we first search it in files
-		InputStream inputStream = getFileInputStream(name);
-		if (inputStream != null)
-			return inputStream;
-
-		inputStream = getFileInputStream(gradleBase + name);
-		if (inputStream != null)
-			return inputStream;
-		// then in the jar
-		return ClassLoader.getSystemResourceAsStream(name);
-	}
-
-	private static InputStream getFileInputStream(String path) {
-		File f = new File(path);
-		if (f.exists()) {
-			FileInputStream fis;
-			try {
-				fis = new FileInputStream(f);
-				return fis;
-			} catch (IOException e) {
-				e.printStackTrace();
-			}
-		}
-		return null;
-	}
-}

app/src/main/java/chess/view/audio/AudioFiles.java

@@ -8,7 +8,7 @@ import java.io.InputStream;
 import java.net.URI;
 import java.net.URISyntaxException;
 
-import chess.view.AssetManager;
+import common.AssetManager;
 
 public class AudioFiles {
 

app/src/main/java/chess/view/simplerender/PieceIcon.java

@@ -17,7 +17,7 @@ import chess.model.pieces.Knight;
 import chess.model.pieces.Pawn;
 import chess.model.pieces.Queen;
 import chess.model.pieces.Rook;
-import chess.view.AssetManager;
+import common.AssetManager;
 
 public class PieceIcon implements PieceVisitor<String> {