Replace Jackson with Gson

pom.xml

@@ -48,6 +48,14 @@
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-starter-web</artifactId>
+
+            <!-- Exclude the default Jackson dependency -->
+            <exclusions>
+                <exclusion>
+                    <groupId>org.springframework.boot</groupId>
+                    <artifactId>spring-boot-starter-json</artifactId>
+                </exclusion>
+            </exclusions>
         </dependency>
 
         <!-- Redis for caching -->

src/main/java/me/braydon/mc/RESTfulMC.java

@@ -8,6 +8,7 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.boot.autoconfigure.jackson.JacksonAutoConfiguration;
 import org.springframework.context.annotation.Bean;
 import org.springframework.data.redis.connection.RedisStandaloneConfiguration;
 import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
@@ -21,11 +22,11 @@ import java.util.Objects;
 /**
  * @author Braydon
  */
-@SpringBootApplication
+@SpringBootApplication(exclude = { JacksonAutoConfiguration.class })
 @Slf4j(topic = "RESTfulMC")
 public class RESTfulMC {
     public static final Gson GSON = new GsonBuilder()
-            .serializeNulls()
+            .setDateFormat("MM-dd-yyyy HH:mm:ss")
             .create();
 
     /**

src/main/java/me/braydon/mc/config/WebMvcConfig.java

@@ -0,0 +1,29 @@
+package me.braydon.mc.config;
+
+import com.google.gson.Gson;
+import me.braydon.mc.RESTfulMC;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.converter.HttpMessageConverter;
+import org.springframework.http.converter.json.GsonHttpMessageConverter;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+import java.util.List;
+
+/**
+ * @author Braydon
+ */
+@Configuration
+public class WebMvcConfig implements WebMvcConfigurer {
+    @Override
+    public void configureMessageConverters(List<HttpMessageConverter<?>> converters) {
+        GsonHttpMessageConverter gsonHttpMessageConverter = new GsonHttpMessageConverter();
+        gsonHttpMessageConverter.setGson(gson());
+        converters.add(gsonHttpMessageConverter);
+    }
+
+    @Bean
+    public Gson gson() {
+        return RESTfulMC.GSON;
+    }
+}

src/main/java/me/braydon/mc/model/response/ErrorResponse.java

@@ -1,6 +1,5 @@
 package me.braydon.mc.model.response;
 
-import com.fasterxml.jackson.annotation.JsonFormat;
 import lombok.*;
 import org.springframework.http.HttpStatus;
 
@@ -26,7 +25,6 @@ public final class ErrorResponse {
     /**
      * The timestamp this error occurred.
      */
-    @JsonFormat(shape = JsonFormat.Shape.STRING, pattern = "dd-MM-yyyy hh:mm:ss")
     private Date timestamp;
 
     public ErrorResponse(@NonNull HttpStatus status, @NonNull String message) {

src/main/java/me/braydon/mc/model/token/JavaServerStatusToken.java

@@ -1,6 +1,5 @@
 package me.braydon.mc.model.token;
 
-import com.fasterxml.jackson.annotation.JsonProperty;
 import com.google.gson.annotations.SerializedName;
 import lombok.AllArgsConstructor;
 import lombok.Getter;