make the skin renderer less bad (thanks bray)

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

@@ -0,0 +1,46 @@
+package cc.fascinated.common;
+
+import cc.fascinated.exception.impl.RateLimitException;
+import lombok.experimental.UtilityClass;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.web.client.HttpClientErrorException;
+import org.springframework.web.client.RestClient;
+
+@UtilityClass
+public class WebRequest {
+
+    /**
+     * The web client.
+     */
+    private static final RestClient CLIENT = RestClient.builder()
+            .requestFactory(new HttpComponentsClientHttpRequestFactory())
+            .build();
+
+    /**
+     * Gets a response from the given URL.
+     *
+     * @param url the url
+     * @return the response
+     * @param <T> the type of the response
+     */
+    public static <T> T getAsEntity(String url, Class<T> clazz) throws RateLimitException {
+        try {
+            ResponseEntity<T> profile = CLIENT.get()
+                    .uri(url)
+                    .retrieve()
+                    .toEntity(clazz);
+
+            if (profile.getStatusCode().isError()) {
+                return null;
+            }
+            if (profile.getStatusCode().isSameCodeAs(HttpStatus.TOO_MANY_REQUESTS)) {
+                throw new RateLimitException("Rate limit reached");
+            }
+            return profile.getBody();
+        } catch (HttpClientErrorException ex) {
+            return null;
+        }
+    }
+}