feat: asset manager

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

@@ -0,0 +1,38 @@
+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/simplerender/PieceIcon.java

@@ -1,6 +1,7 @@
 package chess.view.simplerender;
 
 import java.awt.Image;
+import java.io.IOException;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -16,24 +17,27 @@ import chess.model.pieces.Knight;
 import chess.model.pieces.Pawn;
 import chess.model.pieces.Queen;
 import chess.model.pieces.Rook;
+import chess.view.AssetManager;
 
 public class PieceIcon implements PieceVisitor<String> {
 
-	private static final String basePath = "app/src/main/resources/pieces2D/";
+	private static final String basePath = "pieces2D/";
 	private static final Map<String, Icon> cache = new HashMap<>();
 
-	public Icon getIcon(Piece piece) {
+	public Icon getIcon(Piece piece) throws IOException {
 		if (piece == null)
 			return null;
 		String path = basePath + colorToString(piece.getColor()) + "-" + visit(piece) + ".png";
 		return getIcon(path);
 	}
-	
-	private Icon getIcon(String path) {
+
+	private Icon getIcon(String path) throws IOException {
 		Icon image = cache.get(path);
 		if (image != null)
 			return image;
-		image = new ImageIcon(new ImageIcon(path).getImage().getScaledInstance(100,100, Image.SCALE_SMOOTH)); 
+
+		image = new ImageIcon(new ImageIcon(AssetManager.getResource(path).readAllBytes()).getImage()
+				.getScaledInstance(100, 100, Image.SCALE_SMOOTH));
 		cache.put(path, image);
 		return image;
 	}
@@ -71,5 +75,5 @@ public class PieceIcon implements PieceVisitor<String> {
 	public String visitPiece(Rook rook) {
 		return "rook";
 	}
-	
+
 }

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

@@ -4,6 +4,7 @@ import java.awt.Color;
 import java.awt.GridLayout;
 import java.awt.event.MouseAdapter;
 import java.awt.event.MouseEvent;
+import java.io.IOException;
 import java.util.List;
 
 import javax.swing.JButton;
@@ -127,7 +128,11 @@ public class Window extends JFrame implements OutputSystem {
 		for (int y = 0; y < 8; y++) {
 			for (int x = 0; x < 8; x++) {
 				JLabel cell = this.cells[x][y];
-				cell.setIcon(pieceIcon.getIcon(pieceAt(x, y)));
+				try {
+					cell.setIcon(pieceIcon.getIcon(pieceAt(x, y)));
+				} catch (IOException e) {
+					e.printStackTrace();
+				}
 			}
 		}
 	}