Fix return type of start/stop/restart requests

Author: JulianVennen

src/main/java/com/exaroton/api/request/server/RestartServerRequest.java

@@ -2,12 +2,11 @@
 
 import com.exaroton.api.APIResponse;
 import com.exaroton.api.ExarotonClient;
-import com.exaroton.api.server.Server;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import org.jetbrains.annotations.NotNull;
 
-public class RestartServerRequest extends ServerRequest<Server> {
+public class RestartServerRequest extends ServerRequest<Void> {
 
     public RestartServerRequest(@NotNull ExarotonClient client, @NotNull Gson gson, @NotNull String id) {
         super(client, gson, id);
@@ -19,7 +18,7 @@ protected String getEndpoint() {
     }
 
     @Override
-    protected TypeToken<APIResponse<Server>> getType() {
-        return new TypeToken<APIResponse<Server>>(){};
+    protected TypeToken<APIResponse<Void>> getType() {
+        return new TypeToken<APIResponse<Void>>(){};
     }
 }

src/main/java/com/exaroton/api/request/server/StartServerRequest.java

@@ -2,15 +2,14 @@
 
 import com.exaroton.api.APIResponse;
 import com.exaroton.api.ExarotonClient;
-import com.exaroton.api.server.Server;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import org.jetbrains.annotations.NotNull;
 
 import java.net.http.HttpRequest;
 import java.util.HashMap;
 
-public class StartServerRequest extends ServerRequest<Server> {
+public class StartServerRequest extends ServerRequest<Void> {
     private final boolean useOwnCredits;
 
     public StartServerRequest(
@@ -34,8 +33,8 @@ protected String getEndpoint() {
     }
 
     @Override
-    protected TypeToken<APIResponse<Server>> getType() {
-        return new TypeToken<APIResponse<Server>>(){};
+    protected TypeToken<APIResponse<Void>> getType() {
+        return new TypeToken<APIResponse<Void>>(){};
     }
 
     @Override

src/main/java/com/exaroton/api/request/server/StopServerRequest.java

@@ -2,12 +2,11 @@
 
 import com.exaroton.api.APIResponse;
 import com.exaroton.api.ExarotonClient;
-import com.exaroton.api.server.Server;
 import com.google.gson.Gson;
 import com.google.gson.reflect.TypeToken;
 import org.jetbrains.annotations.NotNull;
 
-public class StopServerRequest extends ServerRequest<Server> {
+public class StopServerRequest extends ServerRequest<Void> {
 
     public StopServerRequest(@NotNull ExarotonClient client, @NotNull Gson gson, @NotNull String id) {
         super(client, gson, id);
@@ -19,7 +18,7 @@ protected String getEndpoint() {
     }
 
     @Override
-    protected TypeToken<APIResponse<Server>> getType() {
-        return new TypeToken<APIResponse<Server>>(){};
+    protected TypeToken<APIResponse<Void>> getType() {
+        return new TypeToken<APIResponse<Void>>(){};
     }
 }

src/main/java/com/exaroton/api/server/Server.java

@@ -335,7 +335,7 @@ public CompletableFuture<ServerRAMInfo> setRAM(int ram) throws IOException {
      * @return Completable future with an updated server object. This future completes after the request, not once the server has started.
      * @throws IOException connection errors
      */
-    public CompletableFuture<Server> start() throws IOException {
+    public CompletableFuture<Void> start() throws IOException {
         return this.start(false);
     }
 
@@ -346,9 +346,8 @@ public CompletableFuture<Server> start() throws IOException {
      * @return Completable future with an updated server object. This future completes after the request, not once the server has started.
      * @throws IOException connection errors
      */
-    public CompletableFuture<Server> start(boolean useOwnCredits) throws IOException {
-        return client.request(new StartServerRequest(this.client, this.gson, this.id, useOwnCredits))
-                .thenApply(this::setFromObject);
+    public CompletableFuture<Void> start(boolean useOwnCredits) throws IOException {
+        return client.request(new StartServerRequest(this.client, this.gson, this.id, useOwnCredits));
     }
 
     /**
@@ -357,9 +356,8 @@ public CompletableFuture<Server> start(boolean useOwnCredits) throws IOException
      * @return Completable future with an updated server object. This future completes after the request, not once the server has stopped.
      * @throws IOException connection errors
      */
-    public CompletableFuture<Server> stop() throws IOException {
-        return client.request(new StopServerRequest(this.client, this.gson, this.id))
-                .thenApply(this::setFromObject);
+    public CompletableFuture<Void> stop() throws IOException {
+        return client.request(new StopServerRequest(this.client, this.gson, this.id));
     }
 
     /**
@@ -368,9 +366,8 @@ public CompletableFuture<Server> stop() throws IOException {
      * @return Completable future with an updated server object. This future completes after the request, not once the server has restarted.
      * @throws IOException connection errors
      */
-    public CompletableFuture<Server> restart() throws IOException {
-        return client.request(new RestartServerRequest(this.client, this.gson, this.id))
-                .thenApply(this::setFromObject);
+    public CompletableFuture<Void> restart() throws IOException {
+        return client.request(new RestartServerRequest(this.client, this.gson, this.id));
     }
 
     /**