rename util to common

src/main/java/cc/fascinated/common/PlayerUtils.java

@@ -0,0 +1,72 @@
+package cc.fascinated.common;
+
+import cc.fascinated.Main;
+import cc.fascinated.model.player.Skin;
+import com.fasterxml.jackson.annotation.JsonIgnore;
+import lombok.SneakyThrows;
+import lombok.experimental.UtilityClass;
+import lombok.extern.log4j.Log4j2;
+
+import javax.imageio.ImageIO;
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.net.URI;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+
+@UtilityClass @Log4j2
+public class PlayerUtils {
+
+    /**
+     * Gets the skin data from the URL.
+     *
+     * @return the skin data
+     */
+    @SneakyThrows
+    @JsonIgnore
+    public static BufferedImage getSkinImage(String url) {
+        HttpResponse<byte[]> response = Main.HTTP_CLIENT.send(HttpRequest.newBuilder(URI.create(url)).build(),
+                HttpResponse.BodyHandlers.ofByteArray());
+        byte[] body = response.body();
+        if (body == null) {
+            return null;
+        }
+        return ImageIO.read(new ByteArrayInputStream(body));
+    }
+
+    /**
+     * Gets the part data from the skin.
+     *
+     * @return the part data
+     */
+    public static byte[] getSkinPartBytes(Skin skin, Skin.Parts part, int size) {
+        if (size == -1) {
+            size = part.getDefaultSize();
+        }
+
+        try {
+            BufferedImage image = skin.getSkinImage();
+            if (image == null) {
+                return null;
+            }
+            // Get the part of the image (e.g. the head)
+            BufferedImage partImage = image.getSubimage(part.getX(), part.getY(), part.getWidth(), part.getHeight());
+
+            // Scale the image
+            BufferedImage scaledImage = new BufferedImage(size, size, partImage.getType());
+            Graphics2D graphics2D = scaledImage.createGraphics();
+            graphics2D.drawImage(partImage, 0, 0, size, size, null);
+            graphics2D.dispose();
+            partImage = scaledImage;
+
+            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
+            ImageIO.write(partImage, "png", byteArrayOutputStream);
+            return byteArrayOutputStream.toByteArray();
+        } catch (Exception ex) {
+            log.error("Failed to get {} part bytes for {}", part.name(), skin.getUrl(), ex);
+            return null;
+        }
+    }
+}