Switch Okhttp to java.net.http.HttpClient to reduce plugin binary size

Author: Kamesuta

README.md

@@ -17,6 +17,11 @@ https://github.com/Kamesuta/BungeePteroPower/assets/16362824/4f36d65c-ca9f-4dd2-
 
 - You can download it from [GitHub Releases](https://github.com/Kamesuta/BungeePteroPower/releases).
 
+## Requirements
+
+- Java 11 or higher
+  - uses java.net.http.HttpClient for Pterodactyl API
+
 ## Installation
 
 1. Obtain an API key in the Pterodactyl panel.

README_ja.md

@@ -17,6 +17,11 @@ https://github.com/Kamesuta/BungeePteroPower/assets/16362824/4f36d65c-ca9f-4dd2-
 
 - [GitHub Releases](https://github.com/Kamesuta/BungeePteroPower/releases) からダウンロードできます。
 
+## 必要要件
+
+- Java 11 以上
+  - PterodactylのAPIを使用するため、java.net.http.HttpClientを使用しています。
+
 ## インストール
 
 1. PterodactylパネルでAPIキーを取得します。

pom.xml

@@ -6,7 +6,7 @@
 
     <groupId>com.kamesuta</groupId>
     <artifactId>BungeePteroPower</artifactId>
-    <version>1.0-SNAPSHOT</version>
+    <version>1.1-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>BungeePteroPower</name>
@@ -16,7 +16,7 @@
         efficiently.
     </description>
     <properties>
-        <java.version>1.8</java.version>
+        <java.version>11</java.version>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     </properties>
 
@@ -42,30 +42,6 @@
                         <goals>
                             <goal>shade</goal>
                         </goals>
-                        <configuration>
-                            <relocations>
-                                <relocation>
-                                    <pattern>okhttp3</pattern>
-                                    <shadedPattern>com.kamesuta.bungeepteropower.lib.okhttp3</shadedPattern>
-                                </relocation>
-                                <relocation>
-                                    <pattern>okio</pattern>
-                                    <shadedPattern>com.kamesuta.bungeepteropower.lib.okio</shadedPattern>
-                                </relocation>
-                                <relocation>
-                                    <pattern>kotlin</pattern>
-                                    <shadedPattern>com.kamesuta.bungeepteropower.lib.kotlin</shadedPattern>
-                                </relocation>
-                                <relocation>
-                                    <pattern>org.jetbrains.annotations</pattern>
-                                    <shadedPattern>com.kamesuta.bungeepteropower.lib.jetbrains.annotations</shadedPattern>
-                                </relocation>
-                                <relocation>
-                                    <pattern>org.intellij.lang.annotations</pattern>
-                                    <shadedPattern>com.kamesuta.bungeepteropower.lib.intellij.annotations</shadedPattern>
-                                </relocation>
-                            </relocations>
-                        </configuration>
                     </execution>
                 </executions>
             </plugin>
@@ -96,10 +72,5 @@
             <version>1.20-R0.1-SNAPSHOT</version>
             <scope>provided</scope>
         </dependency>
-        <dependency>
-            <groupId>com.squareup.okhttp3</groupId>
-            <artifactId>okhttp</artifactId>
-            <version>4.12.0</version>
-        </dependency>
     </dependencies>
 </project>

src/main/java/com/kamesuta/bungeepteropower/PterodactylAPI.java

@@ -1,9 +1,9 @@
 package com.kamesuta.bungeepteropower;
 
-import okhttp3.*;
-import org.jetbrains.annotations.NotNull;
-
-import java.io.IOException;
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.util.concurrent.CompletableFuture;
 import java.util.logging.Level;
 
@@ -29,42 +29,39 @@ public static CompletableFuture<Void> sendPowerSignal(String serverName, String
         // Create a path
         String path = "/api/client/servers/" + pterodactylServerId + "/power";
 
-        OkHttpClient client = new OkHttpClient();
+        HttpClient client = HttpClient.newHttpClient();
 
         // Create a form body to send power signal
-        FormBody.Builder formBuilder = new FormBody.Builder();
-        formBuilder.add("signal", signal.signal);
-        RequestBody formBody = formBuilder.build();
+        String formBody = "signal=" + signal.signal;
 
         // Create a request
-        Request request = new Request.Builder()
-                .url(plugin.config.pterodactylUrl.resolve(path).toString())
-                .post(formBody)
-                .addHeader("Authorization", "Bearer " + plugin.config.pterodactylToken)
+        HttpRequest request = HttpRequest.newBuilder()
+                .uri(URI.create(plugin.config.pterodactylUrl.resolve(path).toString()))
+                .header("Content-Type", "application/x-www-form-urlencoded")
+                .header("Authorization", "Bearer " + plugin.config.pterodactylToken)
+                .POST(HttpRequest.BodyPublishers.ofString(formBody))
                 .build();
 
         // Execute request and register a callback
         CompletableFuture<Void> future = new CompletableFuture<>();
-        client.newCall(request).enqueue(new Callback() {
-            @Override
-            public void onFailure(@NotNull Call call, @NotNull IOException e) {
-                logger.log(Level.WARNING, "Failed to " + signal.signal + " server: " + serverName, e);
-                future.completeExceptionally(e);
-            }
+        client.sendAsync(request, HttpResponse.BodyHandlers.ofString())
+                .thenApply(HttpResponse::statusCode)
+                .thenAccept(code -> {
+                    if (code >= 200 && code < 300) {
+                        logger.info("Successfully " + signal.signal + " server: " + serverName);
+                        future.complete(null);
+                    } else {
+                        String message = "Failed to " + signal.signal + " server: " + serverName + ". Response code: " + code;
+                        logger.warning(message);
+                        future.completeExceptionally(new RuntimeException(message));
+                    }
+                })
+                .exceptionally(e -> {
+                    logger.log(Level.WARNING, "Failed to " + signal.signal + " server: " + serverName, e);
+                    future.completeExceptionally(e);
+                    return null;
+                });
 
-            @Override
-            public void onResponse(@NotNull Call call, @NotNull Response response) {
-                if (response.isSuccessful()) {
-                    logger.info("Successfully " + signal.signal + " server: " + serverName);
-                    future.complete(null);
-                } else {
-                    String message = "Failed to " + signal.signal + " server: " + serverName + ". Response: " + response;
-                    logger.warning(message);
-                    future.completeExceptionally(new RuntimeException(message));
-                }
-                response.close();
-            }
-        });
         return future;
     }