Refactor Json to JsonMapper, update Gradle to 9.5.1, and set Java 26 toolchain.

.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

.idea/misc.xml

@@ -4,7 +4,7 @@
   <component name="FrameworkDetectionExcludesConfiguration">
     <file type="web" url="file://$PROJECT_DIR$" />
   </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_26" project-jdk-name="openjdk-26" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_26" default="true" project-jdk-name="openjdk-26" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

build.gradle

@@ -16,3 +16,11 @@ dependencies {
     implementation 'tools.jackson.core:jackson-databind:3.1.3'
 }
 
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(26)
+    }
+    sourceCompatibility = JavaVersion.VERSION_26
+    targetCompatibility = JavaVersion.VERSION_26
+}   
+ 

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Fri May 08 10:10:06 CEST 2026
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.4.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

src/main/java/dev/coph/nextusweb/server/json/JsonMapper.java

@@ -1,14 +1,12 @@
 package dev.coph.nextusweb.server.json;
 
 import tools.jackson.databind.ObjectMapper;
-import tools.jackson.databind.json.JsonMapper;
 
 
-
+public final class JsonMapper {
-public final class Json {
+    public static final ObjectMapper MAPPER = tools.jackson.databind.json.JsonMapper.builder()
-    public static final ObjectMapper MAPPER = JsonMapper.builder()
             // .addModule(new JavaTimeModule())
             .build();
     
-    private Json() {}
+    private JsonMapper() {}
 }

src/main/java/dev/coph/nextusweb/server/router/Request.java

@@ -1,6 +1,6 @@
 package dev.coph.nextusweb.server.router;
 
-import dev.coph.nextusweb.server.json.Json;
+import dev.coph.nextusweb.server.json.JsonMapper;
 import dev.coph.nextusweb.server.router.exception.BadRequestException;
 import io.netty.handler.codec.http.*;
 import io.netty.util.CharsetUtil;
@@ -54,9 +54,9 @@ public final class Request {
                 byte[] bytes = new byte[raw.content().readableBytes()];
                 raw.content().getBytes(raw.content().readerIndex(), bytes);
                 if (bytes.length == 0) {
-                    jsonCache = Json.MAPPER.nullNode();
+                    jsonCache = JsonMapper.MAPPER.nullNode();
                 } else {
-                    jsonCache = Json.MAPPER.readTree(bytes);
+                    jsonCache = JsonMapper.MAPPER.readTree(bytes);
                 }
             } catch (JacksonException e) {
                 throw new BadRequestException("Invalid JSON: " + e.getOriginalMessage());
@@ -69,7 +69,7 @@ public final class Request {
         try {
             byte[] bytes = new byte[raw.content().readableBytes()];
             raw.content().getBytes(raw.content().readerIndex(), bytes);
-            return Json.MAPPER.readValue(bytes, type);
+            return JsonMapper.MAPPER.readValue(bytes, type);
         } catch (JacksonException e) {
             throw new BadRequestException(
                     "Could not deserialize body as " + type.getSimpleName() + ": " + e.getOriginalMessage());

src/main/java/dev/coph/nextusweb/server/router/Response.java

@@ -1,6 +1,6 @@
 package dev.coph.nextusweb.server.router;
 
-import dev.coph.nextusweb.server.json.Json;
+import dev.coph.nextusweb.server.json.JsonMapper;
 import io.netty.handler.codec.http.*;
 import io.netty.util.CharsetUtil;
 import tools.jackson.core.JacksonException;
@@ -32,7 +32,7 @@ public final class Response {
 
     public Response json(Object value) {
         try {
-            this.body = Json.MAPPER.writeValueAsBytes(value);
+            this.body = JsonMapper.MAPPER.writeValueAsBytes(value);
             headers.set(HttpHeaderNames.CONTENT_TYPE, "application/json; charset=utf-8");
         } catch (JacksonException e) {
             throw new RuntimeException("JSON serialization failed", e);